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//----------------------------------------------------------------------------
//
// Module:      Configuration.java
//
// Description: JTS configuration management.
//
// Product:     com.sun.jts.CosTransactions
//
// Author: Simon Holdsworth 
//
// Date:        March, 1997 
//
// Copyright (c): 1995-1997 IBM Corp.
//
//   The source code for this program is not published or otherwise divested 
//   of its trade secrets, irrespective of what has been deposited with the 
//   U.S. Copyright Office. 
//
//   This software contains confidential and proprietary information of 
//   IBM Corp.
//----------------------------------------------------------------------------

package com.sun.jts.CosTransactions;

// Import required classes.

import java.io.*;
import java.util.*;

import org.omg.CosTransactions.*;
import org.omg.PortableServer.*;

import com.sun.jts.trace.*;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.logging.LogDomains;
import com.sun.jts.utils.LogFormatter;

import com.sun.enterprise.transaction.api.TransactionConstants;

/**Provides interaction with the execution environment.
 *
 * @version 0.01
 *
 * @author Simon Holdsworth, IBM Corporation
 *
 * @see
*/
// CHANGE HISTORY
//
// Version By     Change Description
//   0.01  SAJH   Initial implementation.
//------------------------------------------------------------------------------

public class Configuration extends Object {
    private static String serverName = null;
    private static byte[] serverNameByteArray = null;
    private static org.omg.CORBA.ORB orb = null;
    private static Properties prop = null;
    private static TransactionFactory factory = null;
    private static boolean localFactory = false;
    private static boolean recoverable = false;
    private static ProxyChecker checker = null;
    private static LogFile logFile = null;
    private static Hashtable poas = new Hashtable();
    private static String dbLogResource = null;
    private static boolean disableFileLogging = false;

    // for delegated recovery support
    private static Hashtable logPathToServernametable = new Hashtable();
    private static Hashtable logPathToFiletable = new Hashtable();

    private static int retries = -1;
    public static final String COMMIT_ONE_PHASE_DURING_RECOVERY = "commit-one-phase-during-recovery";
    public static final int LAO_PREPARE_OK = TransactionConstants.LAO_PREPARE_OK;
    public final static long COMMIT_RETRY_WAIT = 60000;
    private static boolean isAppClient = true;

/**
   The traceOn would enable/disable JTS wide tracing;
   (Related class: com.sun.jts.trace.TraceUtil)
   - [email protected] 27Nov2001
*/
	
	/*
		Logger to log transaction messages
	*/
	static Logger _logger = LogDomains.getLogger(Configuration.class, LogDomains.TRANSACTION_LOGGER);

   private static boolean traceOn = false;

   /**The property key used to specify the directory to which trace files and the
     * error log should be written.
     * 

* The value is com.sun.jts.traceDirectory. *

* The default value used for this property is the current directory. */ public final static String TRACE_DIRECTORY = "com.sun.jts.traceDirectory"/*#Frozen*/; /**The property key used to specify the directory to which transaction log files * should be written. *

* The value is com.sun.jts.logDirectory. *

* The default value used for this property is the "jts" subdirectory from the * current directory, if that exists, otherwise the current directory. */ public final static String LOG_DIRECTORY = "com.sun.jts.logDirectory"/*#Frozen*/; /**The property key used to specify the resource which will be used to wirte * transaction logs. *

* The value is com.sun.jts.logResource. *

*/ public final static String DB_LOG_RESOURCE = "com.sun.jts.logResource"/*#Frozen*/; /** * Whether to write warnings and errors to jts.log file * if this property has any value, it is active, otherwise it is inactive * */ public final static String ERR_LOGGING = "com.sun.jts.errorLogging"/*#Frozen*/; /** * This property indicates that XA Resources would be passed in via * the TM.recover() method, and that the recovery thread would have * to wait until the resources are passed in. If not set, the recovery * thread would not wait for the XA Resources to be passed in. */ public final static String MANUAL_RECOVERY = "com.sun.jts.ManualRecovery"/*#Frozen*/; /**The property key used to specify the number of times the JTS should retry * a commit or resync operation before giving up. *

* The value is com.sun.jts.commitRetry. *

* If this property has no value, retries continue indefinitely. A value of * zero indicates that no retries should be made. */ public final static String COMMIT_RETRY = "com.sun.jts.commitRetry"/*#Frozen*/; /**The property key used to specify whether the JTS should assume a transaction * is to be committed or rolled back if an outcome cannot be obtained during * recovery. It should also be used by Resource objects if they cannot obtain * an outcome during recovery and cannot make a decision. *

* The value is com.sun.jts.heuristicDirection. *

* The default is to assume that the transaction should be rolled back. If the * value is '1', the transaction should be committed. */ public final static String HEURISTIC_DIRECTION = "com.sun.jts.heuristicDirection"/*#Frozen*/; /**The property key used to specify the number of transactions between keypoint * operations on the log. Keypoint operations reduce the size of the transaction * log files. A larger value for this property (for example, 1000) will result * in larger transaction log files, but less keypoint operations, and hence better * performance. a smaller value (e.g. 20) results in smaller log files but * slightly reduced performance due to the greater frequency of keypoint * operations. *

* The value is com.sun.jts.keypointCount. *

* The default value for this property is 100. If the value is specified as * zero, then no keypoints are taken. */ public final static String KEYPOINT_COUNT = "com.sun.jts.keypointCount"/*#Frozen*/; // Property to specify the instance name public final static String INSTANCE_NAME = "com.sun.jts.instancename"/*#Frozen*/; /**The property is used to specify the time interval in seconds for which the timeout * manager would scan for timedout transactions. A higher value would mean better * performance, but at the cost of closeness to which coordinator timeout is effected. *

* The value is com.sun.jts.timeoutInterval" *

* This needs to be a positive integer value greater than 10. If the value is less than * 10, illegal or unspecified a default value of 10 seconds is assumed. */ public final static String TIMEOUT_INTERVAL = "com.sun.jts.timeoutInterval" ; /**The default subdirectory in which log and repository files are stored. */ public final static String JTS_SUBDIRECTORY = "jts"/*#Frozen*/; /**getDirectory return value which indicates that the required directory was * specified and is OK. */ public final static int DIRECTORY_OK = 0; /**getDirectory return value which indicates that the required directory was * either not specified or was specified and invalid, and that the default * subdirectory exists. In this case the default subdirectory should be used. */ public final static int DEFAULT_USED = 1; /**getDirectory return value which indicates that the required directory was * either not specified or was specified and invalid, and that the default * subdirectory does not exist. In this case the current directory should be * used. */ public final static int DEFAULT_INVALID = 2; /**The approximate concurrent transactions expected. This is used to set the capacity of Vectors etc. */ public final static int EXPECTED_CONCURRENT_TRANSACTIONS = 10000; /**The approximate concurrent transactions expected. This is used to set the capacity of Vectors etc. */ public final static int EXPECTED_CONCURRENT_THREADS = 100; /**Returns a valid directory for a particular purpose. If the required * directory is not valid, then a default subdirectory of the current directory * is tried. If that is not valid either, then the current directory is used. * * @param envDir The environment variable containing the directory. * @param defaultSubdirectory The default subdirectory to use. * @param result A single-element array which will hold a value * indicating whether the requested directory, * default subdirectory, or current directory * had to be used. * * @return The directory name. * * @see */ public static String getDirectory( String envDir, String defaultSubdirectory, int[/*1*/] result ) { // Get the environment variable value. String envValue = null; if( prop != null ) envValue = prop.getProperty(envDir); // If the environment variable is not set, or does not refer to a valid // directory, then try to use a default. result[0] = DIRECTORY_OK; if( envValue == null || envValue.length() == 0 || (new File(envValue).exists() && !new File(envValue).isDirectory()) ) { result[0] = DEFAULT_USED; // If the default subdirectory is not valid, then use the current directory. envValue = "."+File.separator+defaultSubdirectory/*#Frozen*/; if( new File(envValue).exists() && !new File(envValue).isDirectory() ) { result[0] = DEFAULT_INVALID; } } if(_logger.isLoggable(Level.FINE)) { String dirType=""; switch(result[0]){ case DEFAULT_INVALID: dirType="used default, but is invalid"; break; case DEFAULT_USED : dirType="used default"; break; case DIRECTORY_OK: dirType="provided in configuration"; break; default: dirType="invalid type"; break; } _logger.logp(Level.FINE,"Configuration","getDirectory()", "Using directory = " + envValue + " : "+dirType); } return envValue; } /**Sets the name of the server. * * @param name The server name. Non-recoverable servers have null. * * @return * * @see */ public static final void setServerName( String name, boolean recoverableServer ) { // Store the server name. serverName = name; serverNameByteArray = (name == null) ? null : serverName.getBytes(); recoverable = recoverableServer; if(recoverable) { RecoveryManager.createRecoveryFile(serverName); } if(_logger.isLoggable(Level.FINE)) { _logger.logp(Level.FINE,"Configuration" ,"setServerName()", " serverName = " + serverName + "; isRecoverable = " + recoverable); } } /**Returns the name of the server. *

* Non-recoverable servers may not have a name, in which case the method returns * null. * * @param * * @return The server name. * * @see */ public static final String getServerName() { // Determine the server name. String result = serverName; return result; } /**Sets the name of the server for the given log path. Added for delegated * recovery support. * * @param logPath Location, where the logs are stored. * * @param name The server name. * * @return * * @see */ public static final void setServerName(String logPath, String name) { logPathToServernametable.put(logPath, name); } /**Returns the name of the server for the given log path. Added for delegated *recovery support. * * @param logPath location of the log files. * * @return The server name. * * @see */ public static final String getServerName(String logPath) { return (String)logPathToServernametable.get(logPath); } /**Returns a byte array with the name of the server. *

* Non-recoverable servers may not have a name, in which case the method returns * null. * * @param * * @return The server name (byte array). * * @see */ public static final byte [] getServerNameByteArray() { // Determine the server name. byte [] result = serverNameByteArray; return result; } /**Sets the Properties object to be used for this JTS instance. * * @param prop The Properties. * * @return * * @see */ public static final void setProperties( Properties newProp ) { // Store the Properties object. if (prop == null) prop = newProp; else if (newProp != null) prop.putAll(newProp); if(_logger.isLoggable(Level.FINE)) { String propertiesList = LogFormatter.convertPropsToString(prop); _logger.logp(Level.FINE,"Configuration","setProperties()", " Properties set are :"+ propertiesList); } if (prop != null) { dbLogResource = prop.getProperty(DB_LOG_RESOURCE); String retryLimit = prop.getProperty(COMMIT_RETRY); int retriesInMinutes; if (retryLimit != null) { retriesInMinutes = Integer.parseInt(retryLimit,10); if ((retriesInMinutes % (COMMIT_RETRY_WAIT / 1000)) == 0) retries = (int)(retriesInMinutes / (COMMIT_RETRY_WAIT / 1000)); else retries = ((int)((retriesInMinutes / (COMMIT_RETRY_WAIT / 1000)))) + 1; } } } /**Returns the value of the given variable. * * @param envValue The environment variable required. * * @return The value. * * @see */ public static final String getPropertyValue( String envValue ) { // Get the environment variable value. String result = null; if( prop != null ) { result = prop.getProperty(envValue); if(_logger.isLoggable(Level.FINE)) { _logger.log(Level.FINE,"Property :"+ envValue + " has the value : " + result); } } return result; } /**Sets the identity of the ORB. * * @param newORB The ORB. * * @return * * @see */ public static final void setORB( org.omg.CORBA.ORB newORB ) { // Store the ORB identity. orb = newORB; } /**Returns the identity of the ORB. * * @param * * @return The ORB. * * @see */ public static final org.omg.CORBA.ORB getORB() { // Return the ORB identity. return orb; } /**Sets the identity of the TransactionFactory and indicates if it is local * or remote. * * @param newFactory The TransactionFactory. * * @param localFactory Indicates if the factory is local or remote. * * @return * * @see */ public static final void setFactory( TransactionFactory newFactory, boolean localTxFactory ) { // Store the factory identity and if it is local or not. factory = newFactory; localFactory = localTxFactory; } /**Returns the identity of the TransactionFactory. * * @param * * @return The TransactionFactory. * * @see */ public static final TransactionFactory getFactory() { // Return the TransactionFactory identity. return factory; } /**Determines whether we hava a local factory or a remote factory. * * @param * * @return Indicates whether we have a local factory. * * @see */ public static final boolean isLocalFactory() { // This is a local factory if localFactory is TRUE boolean result = localFactory; return result; } /**Determines whether the JTS instance is recoverable. * * @param * * @return Indicates whether the JTS is recoverable. * * @see */ public static final boolean isRecoverable() { // This JTS is recoverable if recoverable is set to TRUE. boolean result = recoverable; return result; } /**Sets the identity of the ProxyChecker. * * @param newChecker The new ProxyChecker. * * @return * * @see */ public static final void setProxyChecker( ProxyChecker newChecker ) { // Store the checker identity. checker = newChecker; } /**Returns the identity of the ProxyChecker. * * @param * * @return The ProxyChecker. * * @see */ public static final ProxyChecker getProxyChecker() { return checker; } /**Sets the identity of the log file for the process. * * @param logFile The new LogFile object. * * @return * * @see */ public static final void setLogFile( LogFile newLogFile ) { // Store the logFile identity. logFile = newLogFile; } /**Returns the identity of the LogFile for the process. * * @param * * @return The LogFile. * * @see */ public static final LogFile getLogFile() { return logFile; } /**Sets the log file for the given log path. For delegated recovery support. * * @param logPath The new LogFile object. * * @param newLogFile The new LogFile object. * * @return * * @see */ public static final void setLogFile(String logPath, LogFile newLogFile) { logPathToFiletable.put(logPath, newLogFile); } /**Returns the LogFile for the given log path. For delegated recovery support. * * @param logPath log location. * * @return The LogFile. * * @see */ public static final LogFile getLogFile(String logPath) { if (logPath == null) return null; return (LogFile)logPathToFiletable.get(logPath); } /**Sets the identity of the POA to be used for the given types of object. * * @param type The type of objects to use the POA. * @param POA The POA object. * * @return * * @see */ public static final void setPOA( String type, POA poa ) { // Store the mapping. poas.put(type,poa); } /**Returns the identity of the POA to be used for the given type of objects. * * @param type The type of objects * * @return The POA. * * @see */ public static final POA getPOA( String type ) { POA result = (POA)poas.get(type); return result; } public static final boolean isTraceEnabled() { return traceOn; } public static final void enableTrace() { traceOn = true; } public static final void disableTrace() { traceOn = false; } // START IASRI 4662745 public static void setKeypointTrigger(int keypoint) { CoordinatorLogPool.getCoordinatorLog().setKeypointTrigger(keypoint); } public static void setCommitRetryVar(String commitRetryString) { // RegisteredResources.setCommitRetryVar(commitRetryString); if (commitRetryString != null) { int retriesInMinutes = Integer.parseInt(commitRetryString,10); if ((retriesInMinutes % (COMMIT_RETRY_WAIT / 1000)) == 0) retries = (int)(retriesInMinutes / (COMMIT_RETRY_WAIT / 1000)); else retries = ((int)(retriesInMinutes / (COMMIT_RETRY_WAIT / 1000))) + 1; } } // END IASRI 4662745 public static int getRetries() { return retries; } public static void setAsAppClientConatiner(boolean value) { isAppClient = value; } public static boolean isAppClientContainer() { return isAppClient; } public static boolean isDBLoggingEnabled() { return (dbLogResource != null); } public static void disableFileLogging() { disableFileLogging = true; } public static boolean isFileLoggingDisabled() { return disableFileLogging; } }





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