All Downloads are FREE. Search and download functionalities are using the official Maven repository.

src.com.ibm.as400.access.SystemPool Maven / Gradle / Ivy

There is a newer version: 20.0.7
Show newest version
///////////////////////////////////////////////////////////////////////////////
//
// JTOpen (IBM Toolbox for Java - OSS version)
//
// Filename: SystemPool.java
//
// The source code contained herein is licensed under the IBM Public License
// Version 1.0, which has been approved by the Open Source Initiative.
// Copyright (C) 1997-2006 International Business Machines Corporation and
// others.  All rights reserved.
//
///////////////////////////////////////////////////////////////////////////////

package com.ibm.as400.access;

import java.util.Hashtable;
import java.beans.PropertyChangeListener;
import java.beans.VetoableChangeListener;
import java.beans.PropertyChangeSupport;
import java.beans.VetoableChangeSupport;
import java.beans.PropertyVetoException;
import java.io.IOException;
import java.io.UnsupportedEncodingException;

/**
 * Represents a system pool.  It provides
 * facilities for retrieving and changing system pool information.
 *
 * Here is a example:
 *
 * 
 *  try {
 *      // Creates AS400 object.
 *      AS400 as400 = new AS400("systemName");
 *      // Constructs a SystemPool object
 *      SystemPool systemPool = new SystemPool(as400,"*SPOOL");
 *      // Gets system pool attributes.
 *      System.out.println("Paging option : "+systemPool.getPagingOption());
 *
 *  } catch (Exception e)
 *  {
 *      System.out.println("error : "+e)
 *  }
 * 
* **/ public class SystemPool { private static final boolean DEBUG = false; /** * Indicates that the system should calculate * a system pool attribute. * @deprecated **/ public static final float CALCULATE = -2; private static final Float CALCULATE_FLOAT = new Float(-2); /** * Indicates that the system should calculate * a system pool attribute. * @deprecated **/ public static final int CALCULATE_INT = -2; private static final Integer CALCULATE_INTEGER = new Integer(-2); private static final Integer NO_CHANGE = new Integer(-1); private static final String DEFAULT = "*DFT"; private AS400 system_; // The pool's name. In the case of a subsystem (non-shared) pool, this field will contain a number from 1-10. private String poolName_; // The system pool identifier. The number is assigned by the system, and is unique across the system at any given moment. Shared system pools that are not in use by a subsystem, will not have a system pool identifier assigned; in which case this variable will be null. Otherwise, this variable will contain a number from 1-64. private Integer poolIdentifier_; private boolean indicatedSharedPool_; // true if caller indicated it's a shared system pool; false otherwise // Attributes that are meaningful only if the pool is a subsystem (non-shared) pool. private String subsystemLibrary_; private String subsystemName_; private int poolSequenceNumber_; // subsystem pool sequence number (within the subsystem) (1-10) private transient boolean connected_; private boolean cacheChanges_ = false; private transient PropertyChangeSupport changes_; private transient VetoableChangeSupport vetos_; // This format maps the API getter. private SystemStatusFormat systemStatusFormat_; // This format maps the pool information portion of the format. private PoolInformationFormat poolFormat_; // This record holds the data for one system pool -- us. private Record poolRecord_; // This table holds the data to be set on the API. private transient Hashtable changesTable_; /** * Constructs a SystemPool object. **/ public SystemPool() { } /** * Constructs a SystemPool object, to represent a shared system pool. * * @param system The system. * @param poolName The name of the shared system pool. * Valid values are *MACHINE, *BASE, *INTERACT, *SPOOL, and *SHRPOOL1-60. **/ public SystemPool(AS400 system, String poolName) { if (system == null) throw new NullPointerException ("system"); if (poolName == null) throw new NullPointerException ("poolName"); if (Trace.isTraceOn() && !isValidNameForSharedPool(poolName)) { Trace.log(Trace.WARNING, "Invalid name for shared pool: " + poolName); } system_ = system; poolName_ = poolName.trim(); indicatedSharedPool_ = true; } /** * Constructs a SystemPool object, to represent a subsystem (non-shared) pool. * * @param subsystem The subsystem that "owns" the pool. * @param sequenceNumber The pool's sequence number within the subsystem. * Valid values are 1 through 10. **/ public SystemPool(Subsystem subsystem, int sequenceNumber) { if (subsystem == null) throw new NullPointerException ("subsystem"); if (sequenceNumber < 1 || sequenceNumber > 10) { throw new ExtendedIllegalArgumentException("sequenceNumber (" + sequenceNumber + ")", ExtendedIllegalArgumentException.RANGE_NOT_VALID); } system_ = subsystem.getSystem(); poolName_ = Integer.toString(sequenceNumber); subsystemLibrary_ = subsystem.getLibrary(); subsystemName_ = subsystem.getName(); poolSequenceNumber_ = sequenceNumber; // pool sequence number within the subsystem (1-10) indicatedSharedPool_ = false; // not a shared system pool } /** * Constructs a SystemPool object, to represent a subsystem (non-shared) pool. * * @param subsystem The subsystem that "owns" the pool. * @param sequenceNumber The pool's sequence number within the subsystem. * Valid values are 1 through 10. * @param size The size of the system pool, in kilobytes. * @param activityLevel The activity level of the pool. **/ public SystemPool(Subsystem subsystem, int sequenceNumber, int size, int activityLevel) { this(subsystem, sequenceNumber); cacheChanges_ = true; // don't send values to the system yet try { set("poolSize", new Integer(size)); set("activityLevel", new Integer(activityLevel)); } catch (Exception e) { // should never happen, no system contact Trace.log(Trace.ERROR, e); throw new InternalErrorException(InternalErrorException.UNEXPECTED_EXCEPTION); } cacheChanges_ = false; } //@S4A /** * Constructs a SystemPool object, to represent a subsystem (non-shared) pool. * * @param subsystem The subsystem that "owns" the pool. * @param sequenceNumber The pool's sequence number within the subsystem. * Valid values are 1 through 10. * @param size The size of the system pool, in kilobytes. * @param activityLevel The activity level of the pool. **/ public SystemPool(Subsystem subsystem, int sequenceNumber, long size, int activityLevel) { this(subsystem, sequenceNumber); cacheChanges_ = true; // don't send values to the system yet try { set("poolSizeLong", new Long(size)); set("activityLevel", new Integer(activityLevel)); } catch (Exception e) { // should never happen, no system contact Trace.log(Trace.ERROR, e); throw new InternalErrorException(InternalErrorException.UNEXPECTED_EXCEPTION); } cacheChanges_ = false; } /** * Constructs a SystemPool object, to represent a shared system pool. * * @param system The system. * @param poolName The name of the shared system pool. * Valid values are *MACHINE, *BASE, *INTERACT, *SPOOL, and *SHRPOOL1-60. * @param poolIdentifier The system pool identifier. * Valid values are 1 through 64. * @deprecated Use {@link #SystemPool(AS400,int) SystemPool(system, poolIdentifier)} instead. **/ public SystemPool(AS400 system, String poolName, int poolIdentifier) { if (system == null) throw new NullPointerException ("system"); if (poolName == null) throw new NullPointerException ("poolName"); if (poolIdentifier < 1 || poolIdentifier > 64) { throw new ExtendedIllegalArgumentException("poolIdentifier (" + poolIdentifier + ")", ExtendedIllegalArgumentException.RANGE_NOT_VALID); } system_ = system; poolName_ = poolName.trim(); poolIdentifier_ = new Integer(poolIdentifier); indicatedSharedPool_ = true; if (Trace.isTraceOn() && !isValidNameForSharedPool(poolName)) { Trace.log(Trace.WARNING, "Invalid name for shared pool: " + poolName); } } /** * Constructs a SystemPool object, to represent a pool identified * by its unique system pool identifier. * Either a shared pool or a non-shared pool can be specified. * * @param system The system. * @param poolIdentifier The system pool identifier. * Valid values are 1 through 64. **/ public SystemPool(AS400 system, int poolIdentifier) { if (system == null) throw new NullPointerException ("system"); if (poolIdentifier < 1 || poolIdentifier > 64) { throw new ExtendedIllegalArgumentException("poolIdentifier (" + poolIdentifier + ")", ExtendedIllegalArgumentException.RANGE_NOT_VALID); } system_ = system; poolIdentifier_ = new Integer(poolIdentifier); } /** * Adds a listener to be notified when the value of any bound property * changes. * * @param listener The listener. **/ public void addPropertyChangeListener(PropertyChangeListener listener) { if (listener == null) { throw new NullPointerException("listener"); } if (changes_ == null) changes_ = new PropertyChangeSupport(this); changes_.addPropertyChangeListener(listener); } /** * Adds a listener to be notified when the value of any constrained * property changes. * * @param listener The listener. **/ public void addVetoableChangeListener(VetoableChangeListener listener) { if (listener == null) { throw new NullPointerException("listener"); } if (vetos_ == null) vetos_ = new VetoableChangeSupport(this); vetos_.addVetoableChangeListener(listener); } // Converts a Float value to hundredths, and returns it as an Integer. // Assumes that obj is never null. private static final Integer convertToHundredths(Object obj) { float floatVal = ((Float)obj).floatValue(); Integer obj1; // For some fields, negative values have special meanings. // It never makes sense to convert a negative value to hundredths. if (floatVal <= 0) obj1 = new Integer((int)floatVal); else obj1 = new Integer((int)(floatVal*100)); return obj1; } /** * Commits any cached system pool information changes to the system. * If caching is not enabled, this method does nothing. * @see #isCaching * @see #refreshCache * @see #setCaching * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public synchronized void commitCache() throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { // If there are no changes, don't do anything! if (changesTable_ == null || changesTable_.isEmpty()) return; if (!connected_) connect(); int poolIdentifier = 0; try { poolIdentifier = getIdentifier(); } catch (ObjectDoesNotExistException e) { // This may indicate that it's a shared pool that's not currently in use by any subsystem. poolIdentifier = 0; if (Trace.isTraceOn()) { Trace.log(Trace.DIAGNOSTIC, "No pool identifier is assigned to pool.", e); } } String messageLogging_pending = null; // We might need to leave the change uncommitted, if we end up calling CHGSHRPOOL. // Note: "Shared" pools that are not currently in use by any subsystem, do not have a system pool identifier assigned, and therefore are beyond the reach of QUSCHGPA. // QUSCHGPA works only on active pools that have been allocated by system pood ID. // To modify such pools, we must use CHGSHRPOOL. if (poolIdentifier == 0 || changesTable_.get("poolSizeLong")!=null) //@S4C As QUSCHGPA api only support pool size with bin4, we set long type with command here { // We need to use CHGSHRPOOL, since QUSCHGPA requires a unique system pool identifier. StringBuffer cmdBuf = new StringBuffer("QSYS/CHGSHRPOOL POOL("+getName()+")");//@S4C Object obj; // attribute value //@S4A START obj = changesTable_.get("poolSizeLong"); if (obj != null) { cmdBuf.append(" SIZE("+obj.toString()+")"); } else{//@S4A END obj = changesTable_.get("poolSize"); if (obj != null) { cmdBuf.append(" SIZE("+obj.toString()+")"); } }//@S4A obj = changesTable_.get("activityLevel"); if (obj != null) { if (obj.equals(CALCULATE_INTEGER)) { // this constant has been deprecated obj = "*SAME"; if (Trace.isTraceOn()) { Trace.log(Trace.WARNING, "Setting activityLevel to SAME."); } } cmdBuf.append(" ACTLVL("+obj.toString()+")"); } obj = changesTable_.get("pagingOption"); if (obj != null) { cmdBuf.append(" PAGING("+obj.toString()+")"); } obj = changesTable_.get("priority"); if (obj != null) { if (obj.equals(CALCULATE_INTEGER)) { obj = DEFAULT; if (Trace.isTraceOn()) { Trace.log(Trace.WARNING, "Setting priority to DEFAULT."); } } cmdBuf.append(" PTY("+obj.toString()+")"); } obj = changesTable_.get("minimumPoolSize"); if (obj != null) { if (obj.equals(CALCULATE_FLOAT)) { // this constant has been deprecated obj = DEFAULT; if (Trace.isTraceOn()) { Trace.log(Trace.WARNING, "Setting minimumPoolSize to DEFAULT."); } } cmdBuf.append(" MINPCT("+obj.toString()+")"); } obj = changesTable_.get("maximumPoolSize"); if (obj != null) { if (obj.equals(CALCULATE_FLOAT)) { obj = DEFAULT; if (Trace.isTraceOn()) { Trace.log(Trace.WARNING, "Setting maximumPoolSize to DEFAULT."); } } cmdBuf.append(" MAXPCT("+obj.toString()+")"); } obj = changesTable_.get("minimumFaults"); if (obj != null) { if (obj.equals(CALCULATE_FLOAT)) { obj = DEFAULT; if (Trace.isTraceOn()) { Trace.log(Trace.WARNING, "Setting minimumFaults to DEFAULT."); } } cmdBuf.append(" MINFAULT("+obj.toString()+")"); } obj = changesTable_.get("perThreadFaults"); if (obj != null) { if (obj.equals(CALCULATE_FLOAT)) { obj = DEFAULT; if (Trace.isTraceOn()) { Trace.log(Trace.WARNING, "Setting perThreadFaults to DEFAULT."); } } cmdBuf.append(" JOBFAULT("+obj.toString()+")"); } obj = changesTable_.get("maximumFaults"); if (obj != null) { if (obj.equals(CALCULATE_FLOAT)) { obj = DEFAULT; if (Trace.isTraceOn()) { Trace.log(Trace.WARNING, "Setting maximumFaults to DEFAULT."); } } cmdBuf.append(" MAXFAULT("+obj.toString()+")"); } if (DEBUG) System.out.println("Running command: " + cmdBuf.toString()); CommandCall cmd = new CommandCall(system_, cmdBuf.toString()); // CHGSHRPOOL is not thread safe. cmd.suggestThreadsafe(false); if (!cmd.run()) { throw new AS400Exception(cmd.getMessageList()); } // See if we were asked to change the message logging attribute. // The CL command doesn't have a "message logging" parameter. messageLogging_pending = (String)changesTable_.get("messageLogging"); // Future enhancement: The CL command also has a TEXT() parameter, which can be specified to change the pool's text description. } else // The pool identifier is known, therefore we can use the QUSCHGPA API. { QSYSObjectPathName prgName = new QSYSObjectPathName("QSYS","QUSCHGPA","PGM"); AS400Bin4 bin4 = new AS400Bin4(); AS400Text text; ProgramParameter[] parmList = new ProgramParameter[12]; parmList[0] = new ProgramParameter(bin4.toBytes(getIdentifier())); Object obj = changesTable_.get("poolSize"); if (obj == null) obj = NO_CHANGE; parmList[1] = new ProgramParameter(bin4.toBytes(obj)); obj = changesTable_.get("activityLevel"); if (obj == null) obj = NO_CHANGE; parmList[2] = new ProgramParameter(bin4.toBytes(obj)); obj = changesTable_.get("messageLogging"); if (obj == null) obj = "Y"; // no change AS400Text text1 = new AS400Text(1, system_.getCcsid(), system_); parmList[3] = new ProgramParameter(text1.toBytes(obj)); byte[] errorInfo = new byte[32]; parmList[4] = new ProgramParameter(errorInfo, 0); // don't care about error info obj = changesTable_.get("pagingOption"); if (obj == null) obj = "*SAME"; // no change AS400Text text10 = new AS400Text(10, system_.getCcsid(), system_); parmList[5] = new ProgramParameter(text10.toBytes(obj)); obj = changesTable_.get("priority"); if (obj == null) obj = NO_CHANGE; parmList[6] = new ProgramParameter(bin4.toBytes(obj)); obj = changesTable_.get("minimumPoolSize"); if (obj == null) obj = NO_CHANGE; else if (obj.equals(CALCULATE_FLOAT)) obj = CALCULATE_INTEGER; else obj = convertToHundredths(obj); // the API expect units of hundredths parmList[7] = new ProgramParameter(bin4.toBytes(obj)); obj = changesTable_.get("maximumPoolSize"); if (obj == null) obj = NO_CHANGE; else if (obj.equals(CALCULATE_FLOAT)) obj = CALCULATE_INTEGER; else obj = convertToHundredths(obj); parmList[8] = new ProgramParameter(bin4.toBytes(obj)); obj = changesTable_.get("minimumFaults"); if (obj == null) obj = NO_CHANGE; else if (obj.equals(CALCULATE_FLOAT)) obj = CALCULATE_INTEGER; else obj = convertToHundredths(obj); parmList[9] = new ProgramParameter(bin4.toBytes(obj)); obj = changesTable_.get("perThreadFaults"); if (obj == null) obj = NO_CHANGE; else if (obj.equals(CALCULATE_FLOAT)) obj = CALCULATE_INTEGER; else obj = convertToHundredths(obj); parmList[10] = new ProgramParameter(bin4.toBytes(obj)); obj = changesTable_.get("maximumFaults"); if (obj == null) obj = NO_CHANGE; else if (obj.equals(CALCULATE_FLOAT)) obj = CALCULATE_INTEGER; else obj = convertToHundredths(obj); parmList[11] = new ProgramParameter(bin4.toBytes(obj)); ProgramCall pgm = new ProgramCall(system_); try { pgm.setProgram(prgName.getPath(), parmList); } catch(PropertyVetoException pve) {} // Quiet the compiler if (Trace.isTraceOn()) { Trace.log(Trace.DIAGNOSTIC, "Setting system pool information."); } if (pgm.run() != true) { AS400Message[] msgList = pgm.getMessageList(); if (Trace.isTraceOn()) { Trace.log(Trace.ERROR, "Error setting system pool information:"); for (int i=0; itrue if the two instances are equal. **/ public boolean equals(Object obj) { if (obj == null) return false; try { SystemPool other = (SystemPool)obj; if (system_ == null) { if (other.getSystem() != null) return false; } else if (!system_.equals(other.getSystem())) return false; if (poolName_ == null) { if (other.getName() != null) return false; } else if (!poolName_.equals(other.getName())) return false; if (subsystemLibrary_ == null) { if (other.getSubsystemLibrary() != null) return false; } else if (!subsystemLibrary_.equals(other.getSubsystemLibrary())) return false; if (subsystemName_ == null) { if (other.getSubsystemName() != null) return false; } else if (!subsystemName_.equals(other.getSubsystemName())) return false; // If both objects have non-zero identifiers, they must match. if (poolIdentifier_ != null && poolIdentifier_.intValue() != 0 && other.getIdentifier() != 0) { if (poolIdentifier_.intValue() != other.getIdentifier()) return false; } return true; } catch (Throwable e) { return false; } } /** Returns a hash code value for the object. @return A hash code value for this object. **/ public int hashCode() { // We must conform to the invariant that equal objects must have equal hashcodes. int hash = 0; if (system_ != null) hash += system_.hashCode(); if (poolName_ != null) hash += poolName_.hashCode(); if (subsystemLibrary_ != null) hash += subsystemLibrary_.hashCode(); if (subsystemName_ != null) hash += subsystemName_.hashCode(); if (poolIdentifier_ != null) hash += poolIdentifier_.hashCode(); return hash; } /** * Gets the value for the specified field out of the * appropriate record in the format cache. If the particular * format has not been loaded yet, it is loaded from the 400. **/ private Object get(String field) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { // Retrieve the info out of our own record Object obj = null; if (!cacheChanges_) { refreshCache(); // Load the info if we're not caching. } else { if (changesTable_ != null) obj = changesTable_.get(field); } if (obj == null) { retrieveInformation(); // this will do the connect() if needed obj = poolRecord_.getField(field); } return obj; } /** * Returns the rate, in transitions per minute, of transitions * of threads from an active condition to an ineligible condition. * * @return The rate. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public float getActiveToIneligible() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return ((Integer)get("activeToIneligible")).floatValue()/(float)10.0; } /** * Returns the rate, in transitions per minute, of transitions * of threads from an active condition to a waiting condition. * * @return The rate. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public float getActiveToWait() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return ((Integer)get("activeToWait")).floatValue()/(float)10.0; } /** * Returns the rate, shown in page faults per second, of * database page faults against pages containing either database data * or access paths. A page fault is a program notification that occurs * when a page that is marked as not in main storage is referred to be * an active program. An access path is the means by which the system * provides a logical organization to the data in a database file. * * @return The rate. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public float getDatabaseFaults() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return ((Integer)get("databaseFaults")).floatValue()/(float)10.0; } /** * Returns the rate, in pages per second, at which database * pages are brought into the storage pool. * * @return The rate. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public float getDatabasePages() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return ((Integer)get("databasePages")).floatValue()/(float)10.0; } /** * Returns the description of the system pool. * * @return The description of the system pool. **/ public String getDescription() { if(poolName_ == null) return ""; if(poolName_.equals("*MACHINE")) return ResourceBundleLoader.getText("SYSTEM_POOL_MACHINE"); else if(poolName_.equals("*BASE")) return ResourceBundleLoader.getText("SYSTEM_POOL_BASE"); else if(poolName_.equals("*INTERACT")) return ResourceBundleLoader.getText("SYSTEM_POOL_INTERACT"); else if(poolName_.equals("*SPOOL")) return ResourceBundleLoader.getText("SYSTEM_POOL_SPOOL"); else return ResourceBundleLoader.getText("SYSTEM_POOL_OTHER"); } /** * Returns the maximum number of threads that can be active in the pool * at any one time. * * @return The maximum number of threads. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. * @deprecated Use getActivityLevel() instead. **/ public int getMaximumActiveThreads() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return getActivityLevel(); } /** * Returns the activity level for the pool. This is the maximum number of * threads that can be active in the pool at any one time. * * @return The pool activity level. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public int getActivityLevel() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return ((Integer)get("activityLevel")).intValue(); } /** * Returns the rate, in page faults per second, of * nondatabase page faults against pages other than those designated * as database pages. * * @return The rate. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public float getNonDatabaseFaults() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return ((Integer)get("nonDatabaseFaults")).floatValue()/(float)10.0; } /** * Returns the rate, in page per second, at which non-database * pages are brought into the storage pool. * * @return The rate. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public float getNonDatabasePages() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return ((Integer)get("nonDatabasePages")).floatValue()/(float)10.0; } /** * Returns the value indicating whether the system will dynamically * adjust the paging characteristics of the storage pool for optimum * performance. The following special values may be returned. * * *FIXED: The system does not dynamically adjust the paging * characteristics. * *CALC: The system dynamically adjusts the paging * characteristics. * USRDFN: The system does not dynamically adjust the paging * characteristics for the storage pool but uses values * that have been defined through an API. * * @return The value indicating whether the system will dynamically adjust * the paging characteristics of the storage pool for optimum performance. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public String getPagingOption() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return ((String)get("pagingOption")).trim(); } /** * Returns the system pool identifier. * * @return The system pool identifier. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. * @deprecated Use getIdentifier() instead. **/ public int getPoolIdentifier() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return getIdentifier(); } /** * Returns the system pool identifier. * The system assigns a unique identifier (from 1 through 64) to each * system storage pool that currently has main storage allocated. * If the pool is inactive, 0 is returned. * * @return The system pool identifier. 0 indicates that the pool is inactive. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public int getIdentifier() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { if (poolIdentifier_ == null) { synchronized(this) { if (poolIdentifier_ == null) { boolean oldVal = cacheChanges_; cacheChanges_ = true; poolIdentifier_ = (Integer)get("poolIdentifier"); cacheChanges_ = oldVal; } } } return (poolIdentifier_ == null ? 0 : poolIdentifier_.intValue()); } /** * Returns the name of this storage pool. The name may be a number, in * which case it is a non-shared pool associated with a subsystem. * The following special values may be returned, in the case of shared pools: * *
    *
  • *MACHINE The specified pool definition is defined to be the * machine pool. *
  • *BASE The specified pool definition is defined to be the base * system pool, which can be shared with other subsystems. *
  • *INTERACT The specified pool definition is defined to be shared * pool used for interactive work. *
  • *SPOOL The specified pool definition is defined to be the * shared pool used for spooled writers. *
  • *SHRPOOL1 - *SHRPOOL60 The specified pool definition is defined * to be a shared pool. *
* * @return The pool name. * @deprecated Use getName() instead. **/ public String getPoolName() { //return (String)get("poolName"); return getName(); } /** * Returns the name of this storage pool. The name may be a number, in * which case it is a non-shared pool associated with a subsystem. * The following special values may be returned, in the case of shared pools: *
    *
  • *MACHINE The specified pool definition is defined to be the * machine pool. *
  • *BASE The specified pool definition is defined to be the base * system pool, which can be shared with other subsystems. *
  • *INTERACT The specified pool definition is defined to be shared * pool used for interactive work. *
  • *SPOOL The specified pool definition is defined to be the * shared pool used for spooled writers. *
  • *SHRPOOL1 - *SHRPOOL60 The specified pool definition is defined * to be a shared pool. *
* * @return The pool name. If the pool name cannot be determined, null is returned. **/ public String getName() { if (poolName_ != null) return poolName_; else { try { poolName_ = ((String)get("poolName")).trim(); return poolName_; } catch (Exception e) { if (Trace.isTraceOn()) Trace.log(Trace.ERROR, "Unable to get pool name.", e); return null; } } } /** * Returns the amount of main storage, in kilobytes, currently allocated to the pool. * Note: Depending on system storage availability, this may be less than * the pool's requested ("defined") size. * * @return The pool size, in kilobytes. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. * @deprecated Use getSize() instead. **/ public int getPoolSize() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return getSize(); } /** * Returns the amount of main storage, in kilobytes, currently allocated to the pool. * If the pool size is larger than 2,147,483,647 kilobytes, this will return a value of 2,147,483,647 (the maximum amount a 4-byte field can hold). * Use getSizeLong() to return the actual size, but Pool size (long) field is supported from V7R2. * Note: Depending on system storage availability, this may be less than * the pool's requested ("defined") size. * * @return The pool size, in kilobytes. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public int getSize() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return ((Integer)get("poolSize")).intValue(); } //@S4A /** * Returns the amount of main storage, in kilobytes, currently allocated to the pool. * Pool size (long) field is supported from V7R2. For release before V7R2, 2,147,483,647 kilobytes is the maximum return value. * Note: Depending on system storage availability, this may be less than * the pool's requested ("defined") size. * * @return The pool size, in kilobytes. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public long getSizeLong() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { if(system_.getVRM()>= 0x00070200) return ((Long)get("poolSizeLong")).longValue(); else return ((Integer)get("poolSize")).longValue(); } /** * Returns the amount of storage, in kilobytes, in the pool reserved for * system use. (For example, for save and restore operations.) The system * calculates this amount by using storage pool sizes and activity levels. * * @return The reserved size. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public int getReservedSize() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return ((Integer)get("reservedSize")).intValue(); } /** * Returns the library of the subsystem with which this storage pool is associated. * The field will be blank for shared pools. * * @return The subsystem library. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public String getSubsystemLibrary() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return ((String)get("subsystemLibraryName")).trim(); } /** * Returns the subsystem with which this storage pool is associated. * The field will be blank for shared pools. * * @return The subsystem name. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public String getSubsystemName() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return ((String)get("subsystemName")).trim(); } /** * Returns the system. * * @return The system. **/ public AS400 getSystem() { return system_; } /** * Returns the rate, in transitions per minute, of transitions * of threads from a waiting condition to an ineligible condition. * * @return The rate. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public float getWaitToIneligible() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { return ((Integer)get("waitToIneligible")).floatValue()/(float)10.0; } /** * Returns the current cache status. * The default behavior is no caching. * @return true if caching is enabled, false otherwise. * @see #commitCache * @see #refreshCache * @see #setCaching **/ public boolean isCaching() { return cacheChanges_; } /** * Indicates whether the pool is a shared system pool. *
Note: In some cases, this method may incorrectly report false for a shared pool; for example, if the object was constructed using {@link #SystemPool(AS400, int) SystemPool(system, poolIdentifier)}, and the pool name is not *MACHINE, *BASE, *INTERACT, *SPOOL, or *SHRPOOL1-60. * @return true if it's a shared system pool, false otherwise. **/ public boolean isShared() { return (indicatedSharedPool_ || isValidNameForSharedPool(poolName_)) && (subsystemLibrary_ == null && subsystemName_ == null && poolSequenceNumber_ == 0); } /** * Loads the system pool information. The system and the system pool * name or identifier should be set before this method is invoked. * * Note: This method is equivalent to the refreshCache() method. * * @exception AS400SecurityException If a security or authority error * occurs. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public void loadInformation() throws AS400SecurityException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { refreshCache(); } /* * Refreshes the current system pool information. The * currently cached data is cleared and new data will * be retrieved from the system when needed. That is, * after a call to refreshCache(), a call to one of the get() or set() * methods will go to the system to retrieve or set the value. * * Any cached (uncommitted) changes will be lost if not committed by a prior call * to commitCache(). * * If caching is not enabled, this method does nothing. * @see #commitCache * @see #isCaching * @see #setCaching **/ public synchronized void refreshCache() { // The next time a get() is done, the record data // will be reloaded. poolRecord_ = null; // Clear the current cache of (uncommitted) changes. if (changesTable_ != null) changesTable_.clear(); } /** * Removes a property change listener. * * @param listener The listener. **/ public void removePropertyChangeListener(PropertyChangeListener listener) { if(listener==null) throw new NullPointerException("listener"); if (changes_ != null) changes_.removePropertyChangeListener(listener); } /** * Removes a vetoable change listener. * * @param listener The listener. **/ public void removeVetoableChangeListener(VetoableChangeListener listener) { if(listener==null) throw new NullPointerException("listener"); if (vetos_ != null) vetos_.removeVetoableChangeListener(listener); } private final static String TEN_BLANKS = " "; /** * Creates a parameter list for the call to QWCRSSTS. **/ private ProgramParameter[] buildParameterList() { AS400Bin4 bin4 = new AS400Bin4(); AS400Text text; // Note: If we have a pool identifier, or if the pool is identified as a "shared" pool, we can use the 7-parameter call. // Otherwise we must use the 5-parameter call. int numParms; if (indicatedSharedPool_ || poolIdentifier_ != null) { numParms = 7; if (systemStatusFormat_ == null || systemStatusFormat_.getClass() != SSTS0400Format.class) { systemStatusFormat_ = new SSTS0400Format(system_); poolFormat_ = new PoolInformationFormat0400(system_); } } else { numParms = 5; if (systemStatusFormat_ == null || systemStatusFormat_.getClass() != SSTS0300Format.class) { systemStatusFormat_ = new SSTS0300Format(system_); poolFormat_ = new PoolInformationFormat(system_); } } ProgramParameter[] parmList = new ProgramParameter[numParms]; // Required parameters: // Receiver variable int receiverLength = systemStatusFormat_.getNewRecord().getRecordLength(); parmList[0] = new ProgramParameter(receiverLength); // Length of receiver variable parmList[1] = new ProgramParameter(bin4.toBytes(receiverLength)); if (DEBUG) System.out.println("QWCRSSTS parm 2: " + receiverLength); // Format name text = new AS400Text(8, system_.getCcsid(), system_); parmList[2] = new ProgramParameter(text.toBytes(systemStatusFormat_.getName())); if (DEBUG) System.out.println("QWCRSSTS parm 3: " + systemStatusFormat_.getName()); // Reset status statistics text = new AS400Text(10, system_.getCcsid(), system_); parmList[3] = new ProgramParameter(text.toBytes("*NO")); // Note that this parm is ignored for formats SSTS0100 and SSTS0500. if (DEBUG) System.out.println("QWCRSSTS parm 4: " + "*NO"); // Error code byte[] errorInfo = new byte[32]; parmList[4] = new ProgramParameter(errorInfo, 0); if (DEBUG) System.out.println("QWCRSSTS parm 5: " + "0"); if (numParms > 5) { // Optional parameters: // Pool selection information. // 3 subfields: // typeOfPool (CHAR10) - Possible values are: *SHARED, *SYSTEM. // sharedPoolName (CHAR10) - Possible values are: *ALL, *MACHINE, *BASE, *INTERACT, *SPOOL, *SHRPOOL1-60. If type of pool is *SYSTEM, then this field must be blank. // systemPoolIdentifier (BIN4) - If typeOfPool is *SHARED, must be zero. Otherwise: -1 for "all active pools"; 1-64 to specify an active pool. If the pool is not active, CPF186B is sent. // Note: The typeOfPool field simply indicates _how_ we are identifying the pool in this API: Either by shared-pool name, or by system pool identifier. String typeOfPool = (indicatedSharedPool_ ? "*SHARED " : "*SYSTEM "); StringBuffer sharedPoolName = new StringBuffer(indicatedSharedPool_ ? poolName_ : ""); if (sharedPoolName.length() < 10) { int numPadBytes = 10 - sharedPoolName.length(); sharedPoolName.append(TEN_BLANKS.substring(10-numPadBytes)); // pad field to a length of 10 chars } int systemPoolIdentifier = (indicatedSharedPool_ ? 0 : poolIdentifier_.intValue()); byte[] poolType = text.toBytes(typeOfPool); byte[] poolNam = text.toBytes(sharedPoolName.toString()); byte[] poolId = BinaryConverter.intToByteArray(systemPoolIdentifier); byte[] poolSelectionInformation = new byte[24]; System.arraycopy(poolType, 0, poolSelectionInformation, 0, 10); System.arraycopy(poolNam, 0, poolSelectionInformation, 10, 10); System.arraycopy(poolId, 0, poolSelectionInformation, 20, 4); parmList[5] = new ProgramParameter(poolSelectionInformation); if (Trace.isTraceOn()) { Trace.log(Trace.DIAGNOSTIC, "QWCRSSTS parameter 6: poolType==|" + typeOfPool +"| , poolName==|"+ sharedPoolName.toString() +"| , poolID==|"+ systemPoolIdentifier +"|"); } // Size of pool selection information. // Valid values are 0, 20, or 24 parmList[6] = new ProgramParameter(bin4.toBytes(24)); // size is 24 bytes if (DEBUG) System.out.println("QWCRSSTS parm 7: " + "24"); } return parmList; } /** * Indicates whether the pool name is a valid name for a shared system pool. *
Note: In some cases, this method may incorrectly report false for a name that actually specifies a shared pool; for example, for a shared pool with a non-standard name. * @param name * @return true if poolName is *MACHINE, *BASE, *INTERACT, *SPOOL, or *SHRPOOLxx; false otherwise. **/ public static final boolean isValidNameForSharedPool(String name) { if (name == null) return false; if (name.equals("*ALL") || name.equals("*MACHINE") || name.equals("*BASE") || name.equals("*INTERACT") || name.equals("*SPOOL") || name.startsWith("*SHRPOOL")) return true; else return false; } /** * Loads pool data from the system using the SSTS0300 or SSTS0400 format. * If the information is already cached, this method does nothing. **/ private void retrieveInformation() throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, UnsupportedEncodingException { // Check to see if the format has been loaded already if (poolRecord_ != null) return; if (!connected_) connect(); QSYSObjectPathName prgName = new QSYSObjectPathName("QSYS","QWCRSSTS","PGM"); ProgramParameter[] parmList = buildParameterList(); ProgramCall pgm = new ProgramCall(system_); try { pgm.setProgram(prgName.getPath(), parmList); } catch(PropertyVetoException pve) {} // Quiet the compiler if (Trace.isTraceOn()) { Trace.log(Trace.DIAGNOSTIC, "Retrieving system pool information."); } if (pgm.run() != true) { AS400Message[] msgList = pgm.getMessageList(); if (Trace.isTraceOn()) { Trace.log(Trace.ERROR, "Error retrieving system pool information:"); for (int i=0; i returned) { int numPools = ((Integer)rec.getField("numberOfPools")).intValue(); int offset = ((Integer)rec.getField("offsetToPoolInformation")).intValue(); int entryLength = ((Integer)rec.getField("lengthOfPoolInformationEntry")).intValue(); // Make the byte array big enough to hold the pool information. int baseLength = systemStatusFormat_.getNewRecord().getRecordLength(); int newLength = numPools*entryLength + (offset-baseLength); systemStatusFormat_.addFieldDescription(new HexFieldDescription(new AS400ByteArray(newLength), "poolInformation")); if (Trace.isTraceOn()) { Trace.log(Trace.DIAGNOSTIC, "Resizing System Status format to hold more system pool information."); Trace.log(Trace.DIAGNOSTIC, " New pool information: "+baseLength+", "+newLength+", "+systemStatusFormat_.getNewRecord().getRecordLength()); } return true; } return false; } /** * Sets the value for the specified field to value in the * appropriate record in the format cache. **/ private void set(String field, Object value) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { // Set the info into our own record Object oldValue = null; if ((vetos_ != null || changes_ != null) && changesTable_ != null) { oldValue = changesTable_.get(field); } if (vetos_ != null) vetos_.fireVetoableChange(field, oldValue, value); if (changesTable_ == null) changesTable_ = new Hashtable(11); changesTable_.put(field, value); if (changes_ != null) changes_.firePropertyChange(field, oldValue, value); if (!cacheChanges_) commitCache(); } /** * Turns caching on or off. * If caching is turned off, the next get() or set() will go to the system. * @param cache true if caching should be used when getting * and setting information to and from the system; false * if every get or set should communicate with the system * immediately. Any cached changes that are not committed * when caching is turned off will be lost. * The default behavior is no caching. * @see #commitCache * @see #isCaching * @see #refreshCache **/ public synchronized void setCaching(boolean cache) { cacheChanges_ = cache; } /** * Sets the minimum faults-per-second guideline, the faults per second for each active thread, * and the maximum faults-per-second guideline for this storage pool. * The sum of minimum faults and per-thread faults must be less than the * value of the maximum faults parameter. Each value is used by the * system if the performance adjustment (QPFRADJ) system value is set to * 2 or 3. *
Note: This method is supported only for shared pools, * not for subsystem (non-shared) pools. * * @param minValue The new minimum faults-per-second guideline. * @param perValue The new faults per second for each active thread. * @param maxValue The new maximum faults-per-second guideline. * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. * @see #isShared **/ public void setFaults(float minValue, float perValue, float maxValue) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { if (!indicatedSharedPool_) throwUnsupported(); if (!cacheChanges_) { synchronized(this) { cacheChanges_ = true; setMinimumFaults(minValue); setPerThreadFaults(perValue); setMaximumFaults(maxValue); commitCache(); cacheChanges_ = false; } } else { setMinimumFaults(minValue); setPerThreadFaults(perValue); setMaximumFaults(maxValue); } } /** * Sets the maximum faults-per-second guideline to use for this storage * pool. The sum of minimum faults and per-thread faults must be less than the * value of the maximum faults parameter. This value is used by the * system if the performance adjustment (QPFRADJ) system value is set to * 2 or 3. *
Note: This method is supported only for shared pools, * not for subsystem (non-shared) pools. * * @param value The new maximum faults-per-second guideline. * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. * @see #isShared **/ public void setMaximumFaults(float value) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { if (!indicatedSharedPool_) throwUnsupported(); set("maximumFaults", new Float(value)); } /** * Sets the maximum amount of storage to allocate to this storage pool * (as a percentage of total main storage). This value cannot be * less than the minimum pool size % parameter value. This value is used * by the system if the performance adjustment (QPFRADJ) system value * is set to 2 or 3. *
Note: This method is supported only for shared pools, * not for subsystem (non-shared) pools. * * @param value The new maximum pool size. * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. * @see #isShared **/ public void setMaximumPoolSize(float value) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { if (!indicatedSharedPool_) throwUnsupported(); set("maximumPoolSize", new Float(value)); } /** * Sets the value indicating whether messages reporting that a change was * made are written to the current job's job log and to the QHST message * log. This affects the logging of change-related messages only; it does * not affect the logging of error messages. Valid values are: *
    *
  • true - Log change messages. *
  • false - Do not log change messages. *
* The default value for messages logging is true. * * @param log The value indicating whether messages reporting that a * change was made are written to the current job's job log * and to the QHST message log. * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public void setMessageLogging(boolean log) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { set("messageLogging", log ? "Y" : "N"); } /** * Sets the minimum faults-per-second guideline to use for this storage * pool. This value is used by the system if the performance adjustment * (QPFRADJ) system value is set to 2 or 3. If you want the system to * calculate the priority, you must specify -2 for this parameter. If * you do not want this value to change, you may specify -1 for this * parameter. *
Note: This method is supported only for shared pools, * not for subsystem (non-shared) pools. * * @param value The new minumum faults-per-second guideline. * * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. * @see #isShared **/ public void setMinimumFaults(float value) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { if (!indicatedSharedPool_) throwUnsupported(); set("minimumFaults", new Float(value)); } /** * Sets the minimum and maximum amount of storage to allocate to this storage pool * (as a percentage of total main storage). Maximum value cannot be * less than the minimum pool size % parameter value. Each value is used * by the system if the performance adjustment (QPFRADJ) system value * is set to 2 or 3. *
Note: This method is supported only for shared pools, * not for subsystem (non-shared) pools. * * @param minValue The new minimum pool size. * @param maxValue The new maximum pool size. * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. * @see #isShared **/ public void setMinAndMaxPoolSize(float minValue, float maxValue) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { if (!indicatedSharedPool_) throwUnsupported(); if (!cacheChanges_) { synchronized(this) { cacheChanges_ = true; setMinimumPoolSize(minValue); setMaximumPoolSize(maxValue); commitCache(); cacheChanges_ = false; } } else { setMinimumPoolSize(minValue); setMaximumPoolSize(maxValue); } } /** * Sets the minimum amount of storage to allocate to this storage pool * (as a percentage of total main storage). This value cannot be * greater than the maximum pool size % parameter value. This value is * used by the system if the performance adjustment (QPFRADJ) system * value is set to 2 or 3. *
Note: This method is supported only for shared pools, * not for subsystem (non-shared) pools. * * @param value The new minimum pool size. * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. * @see #isShared **/ public void setMinimumPoolSize(float value) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { if (!indicatedSharedPool_) throwUnsupported(); set("minimumPoolSize", new Float(value)); } /** * Sets the value indicating whether the system dynamically adjust the * paging characteristics of the storage pool for optimum performance. * Valid values are: *
    *
  • *SAME - The paging option for the storage pool is not changed. *
  • *FIXED - The system will not dynamically adjust the paging * characteristics; system default values are used. *
  • *CALC - The system will dynamically adjust the paging * characteristics. *
* @param value The value indicating whether the system dynamically adjust * the paging characteristics of the sorage pool for optimum * performance. * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public void setPagingOption(String value) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { set("pagingOption", value); } /** * Sets the faults per second for each active thread in this storage * pool. Each job is comprised of one or more threads. The system multiples * this number by the number of active threads that it finds in the * pool. This result is added to the minimum faults parameter to * calculate the faults-per-second guideline to use for this pool. This * value is used by the system if the performance adjustment (QPFRADJ) * system value is set to 2 or 3. *
Note: This method is supported only for shared pools, * not for subsystem (non-shared) pools. * * @param value The new faults. * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. * @see #isShared **/ public void setPerThreadFaults(float value) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { if (!indicatedSharedPool_) throwUnsupported(); set("perThreadFaults", new Float(value)); } /** * Sets the activity level for the pool. This is the maximum number of * threads that can be active in the pool at any one time. * The activity level of a "machine" pool (*MACHINE) cannot be changed. * * @param value The new activity level for the pool. * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. * @deprecated Use setActivityLevel() instead. **/ public void setPoolActivityLevel(int value) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { setActivityLevel(value); } /** * Sets the activity level for the pool. This is the maximum number of * threads that can be active in the pool at any one time. * The activity level of a "machine" pool (*MACHINE) cannot be changed. * * Recommended coding pattern: * systemPool.setCaching(true); * systemPool.setSize(size); * systemPool.setActivityLevel(level); * systemPool.commitCache(); * * @param value The new activity level for the pool. * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public void setActivityLevel(int value) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { set("activityLevel", new Integer(value)); } /** * Sets the system pool name. * * @param poolName The name of the system pool. * @exception PropertyVetoException If the change is vetoed. * @deprecated Use setName() instead. **/ public void setPoolName(String poolName) throws PropertyVetoException { setName(poolName); } /** * Sets the system pool name. * * @param poolName The name of the system pool. * @exception PropertyVetoException If the change is vetoed. * **/ public void setName(String poolName) throws PropertyVetoException { if (poolName == null) throw new NullPointerException("poolName"); if (connected_) throw new ExtendedIllegalStateException("poolName", ExtendedIllegalStateException.PROPERTY_NOT_CHANGED); String oldValue = poolName_; String newValue = poolName.trim(); if (vetos_ != null) vetos_.fireVetoableChange("poolName", oldValue, newValue); poolName_ = poolName; if (changes_ != null) changes_.firePropertyChange("poolName", oldValue, newValue); } /** * Sets the size of the system pool in kilobytes, where one kilobyte is * 1024 bytes. * For shared pools, this specifies the requested ("defined") size. * The minimum value is 256 kilobytes. * To indicate that no storage or activity level is defined * for the pool, specify 0. * * @param value The new size of the system pool. * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. * @deprecated Use setSize() instead. **/ public void setPoolSize(int value) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { setSize(value); } /** * Sets the size of the system pool in kilobytes, where one kilobyte is * 1024 bytes. * For shared pools, this specifies the requested ("defined") size. * The minimum value is 256 kilobytes. * To indicate that no storage or activity level is defined * for the pool, specify 0. * * Recommended coding pattern: * systemPool.setCaching(true); * systemPool.setSize(size); * systemPool.setActivityLevel(level); * systemPool.commitCache(); * * @param value The new size of the system pool. * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public void setSize(int value) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { set("poolSize", new Integer(value)); } /** * Sets the size of the system pool in kilobytes, where one kilobyte is * 1024 bytes. * For shared pools, this specifies the requested ("defined") size. * The minimum value is 256 kilobytes. * To indicate that no storage or activity level is defined * for the pool, specify 0. * * Recommended coding pattern: * systemPool.setCaching(true); * systemPool.setSizeLong(size); * systemPool.setActivityLevel(level); * systemPool.commitCache(); * * @param value The new size of the system pool. * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. **/ public void setSizeLong(long value) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { set("poolSizeLong", new Long(value)); } /** * Sets the priority of this pool relative the priority of the other * storage pools. Valid values are 1 through 14. The priority for the * *MACHINE pool must be 1. This value is used by the system if the * performance adjustment (QPFRADJ) system value is set to 2 or 3. *
Note: This method is supported only for shared pools, * not for subsystem (non-shared) pools. * * @param value The new priority. * @exception AS400Exception If the system returns an error * message. * @exception AS400SecurityException If a security or authority error * occurs. * @exception ConnectionDroppedException If the connection is dropped * unexpectedly. * @exception ErrorCompletingRequestException If an error occurs before * the request is completed. * @exception InterruptedException If this thread is interrupted. * @exception IOException If an error occurs while communicating with * the system. * @exception ObjectDoesNotExistException If the object does not exist on the system. * @exception PropertyVetoException If the change is vetoed. * @exception UnsupportedEncodingException If the character encoding is * not supported. * @see #isShared **/ public void setPriority(int value) throws AS400Exception, AS400SecurityException, ConnectionDroppedException, ErrorCompletingRequestException, InterruptedException, IOException, ObjectDoesNotExistException, PropertyVetoException, UnsupportedEncodingException { if (!indicatedSharedPool_) throwUnsupported(); set("priority", new Integer(value)); } /** * Sets the system. * @param system The system. * @exception PropertyVetoException If the change is vetoed. **/ public void setSystem(AS400 system) throws PropertyVetoException { if (system == null) throw new NullPointerException("system"); if (connected_) throw new ExtendedIllegalStateException("system", ExtendedIllegalStateException.PROPERTY_NOT_CHANGED); AS400 oldValue = system_; AS400 newValue = system; if (vetos_ != null) vetos_.fireVetoableChange("system", oldValue,newValue); system_ = system; if (changes_ != null) changes_.firePropertyChange("system", oldValue,newValue); } /** * Return the pool name. * * @return The pool name. **/ public String toString() { StringBuffer buf = new StringBuffer(super.toString()); if (poolName_ != null || subsystemName_ != null || poolIdentifier_ != null) { if (subsystemName_ != null) { buf.append("["+subsystemLibrary_+"/"+subsystemName_+"/"+poolSequenceNumber_+"]"); } else if (poolName_ != null) { buf.append("["+poolName_+"]"); } else if (poolIdentifier_ != null) { buf.append("[poolID="+poolIdentifier_.toString()+"]"); } } return buf.toString(); } private static final void throwUnsupported() { Trace.log(Trace.ERROR, "Method not supported for subsystem (non-shared) pools."); throw new UnsupportedOperationException(); } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy