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The UnboundID LDAP SDK for Java is a fast, comprehensive, and easy-to-use Java API for communicating with LDAP directory servers and performing related tasks like reading and writing LDIF, encoding and decoding data using base64 and ASN.1 BER, and performing secure communication. This package contains the Standard Edition of the LDAP SDK, which is a complete, general-purpose library for communicating with LDAPv3 directory servers.
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/*
 * Copyright 2014-2018 Ping Identity Corporation
 * All Rights Reserved.
 */
/*
 * Copyright (C) 2015-2018 Ping Identity Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License (GPLv2 only)
 * or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see .
 */
package com.unboundid.ldap.sdk.unboundidds.monitors;



import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;

import com.unboundid.ldap.sdk.Entry;
import com.unboundid.util.NotMutable;
import com.unboundid.util.StaticUtils;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;

import static com.unboundid.ldap.sdk.unboundidds.monitors.MonitorMessages.*;



/**
 * This class defines a monitor entry that provides information about the group
 * cache and the number and types of groups available in the server.
 * 

 * 
 *   NOTE:  This class, and other classes within the
 *   {@code com.unboundid.ldap.sdk.unboundidds} package structure, are only
 *   supported for use against Ping Identity, UnboundID, and
 *   Nokia/Alcatel-Lucent 8661 server products.  These classes provide support
 *   for proprietary functionality or for external specifications that are not
 *   considered stable or mature enough to be guaranteed to work in an
 *   interoperable way with other types of LDAP servers.
 * 
 */
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class GroupCacheMonitorEntry
       extends MonitorEntry
{
  /**
   * The structural object class used in group cache monitor entries.
   */
  static final String GROUP_CACHE_MONITOR_OC =
       "ds-group-cache-monitor-entry";



  /**
   * The name of the attribute that contains information about the amount of
   * memory required by the group cache, in bytes.
   */
  private static final String ATTR_CURRENT_CACHE_USED_BYTES =
       "current-cache-used-bytes";



  /**
   * The name of the attribute that contains information about the amount of
   * memory required by the group cache, as a percentage of the total JVM heap
   * size.
   */
  private static final String ATTR_CURRENT_CACHE_USED_PERCENT =
       "current-cache-used-as-percentage-of-max-heap";



  /**
   * The name of the attribute that contains information about the length of
   * time required to determine group cache memory usage.
   */
  private static final String ATTR_CURRENT_CACHE_USED_UPDATE_MILLIS =
       "current-cache-used-update-ms";



  /**
   * The name of the attribute that contains information about the number of
   * dynamic group entries defined in the server.
   */
  private static final String ATTR_DYNAMIC_GROUP_ENTRIES =
       "dynamic-group-entries";



  /**
   * The name of the attribute that contains information about the number of
   * static group entries defined in the server.
   */
  private static final String ATTR_STATIC_GROUP_ENTRIES =
       "static-group-entries";



  /**
   * The name of the attribute that contains information about the total number
   * of static group members defined in the server.
   */
  private static final String ATTR_TOTAL_STATIC_GROUP_MEMBERS =
       "static-group-members";



  /**
   * The name of the attribute that contains information about the number of
   * unique static group members defined in the server.
   */
  private static final String ATTR_UNIQUE_STATIC_GROUP_MEMBERS =
       "static-group-unique-members";



  /**
   * The name of the attribute that contains information about the number of
   * virtual static group entries defined in the server.
   */
  private static final String ATTR_VIRTUAL_STATIC_GROUP_ENTRIES =
       "virtual-static-group-entries";



  /**
   * The serial version UID for this serializable class.
   */
  private static final long serialVersionUID = -5665905374595185773L;



  // The length of time in milliseconds required to determine the current cache
  // usage.
  private final Double currentCacheUsedUpdateMillis;

  // The percentage of the JVM heap used by the group cache.
  private final Integer currentCacheUsedPercent;

  // The amount of memory (in bytes) currently in use by the group cache.
  private final Long currentCacheUsedBytes;

  // The number of dynamic group entries defined in the server.
  private final Long dynamicGroupEntries;

  // The number of static group entries defined in the server.
  private final Long staticGroupEntries;

  // The number of total static group members defined in the server.
  private final Long staticGroupMembers;

  // The number of unique static group members defined in the server.
  private final Long staticGroupUniqueMembers;

  // The number of virtual static group entries defined in the server.
  private final Long virtualStaticGroupEntries;



  /**
   * Creates a new group cache monitor entry from the provided entry.
   *
   * @param  entry  The entry to be parsed as a group cache monitor entry.  It
   *                must not be {@code null}.
   */
  public GroupCacheMonitorEntry(final Entry entry)
  {
    super(entry);

    staticGroupEntries = getLong(ATTR_STATIC_GROUP_ENTRIES);
    staticGroupMembers = getLong(ATTR_TOTAL_STATIC_GROUP_MEMBERS);
    staticGroupUniqueMembers = getLong(ATTR_UNIQUE_STATIC_GROUP_MEMBERS);
    dynamicGroupEntries = getLong(ATTR_DYNAMIC_GROUP_ENTRIES);
    virtualStaticGroupEntries = getLong(ATTR_VIRTUAL_STATIC_GROUP_ENTRIES);
    currentCacheUsedBytes = getLong(ATTR_CURRENT_CACHE_USED_BYTES);
    currentCacheUsedPercent = getInteger(ATTR_CURRENT_CACHE_USED_PERCENT);
    currentCacheUsedUpdateMillis =
         getDouble(ATTR_CURRENT_CACHE_USED_UPDATE_MILLIS);
  }



  /**
   * Retrieves the number of static group entries defined in the server, if
   * available.
   *
   * @return  The number of static group entries defined in the server, or
   *          {@code null} if it was not included in the monitor entry.
   */
  public Long getStaticGroupEntries()
  {
    return staticGroupEntries;
  }



  /**
   * Retrieves the total number of static group members defined in the server,
   * if available.  Users that are members of multiple static groups will be
   * counted multiple times.
   *
   * @return  The total number of static group members defined in the server, or
   *          {@code null} if it was not included in the monitor entry.
   */
  public Long getTotalStaticGroupMembers()
  {
    return staticGroupMembers;
  }



  /**
   * Retrieves the number of unique static group members defined in the server,
   * if available.  Users that are members of multiple static groups will only
   * be counted once.
   *
   * @return  The number of unique static group members defined in the server,
   *          or {@code null} if it was not included in the monitor entry.
   */
  public Long getUniqueStaticGroupMembers()
  {
    return staticGroupUniqueMembers;
  }



  /**
   * Retrieves the number of dynamic group entries defined in the server, if
   * available.
   *
   * @return  The number of dynamic group entries defined in the server, or
   *          {@code null} if it was not included in the monitor entry.
   */
  public Long getDynamicGroupEntries()
  {
    return dynamicGroupEntries;
  }



  /**
   * Retrieves the number of virtual static group entries defined in the server,
   * if available.
   *
   * @return  The number of virtual static group entries defined in the server,
   *          or {@code null} if it was not included in the monitor entry.
   */
  public Long getVirtualStaticGroupEntries()
  {
    return virtualStaticGroupEntries;
  }



  /**
   * Retrieves the amount of memory in bytes used by the group cache, if
   * available.
   *
   * @return  The amount of memory in bytes used by the group cache, or
   *          {@code null} if it was not included in the monitor entry.
   */
  public Long getCurrentCacheUsedBytes()
  {
    return currentCacheUsedBytes;
  }



  /**
   * Retrieves the amount of memory used by the group cache as a percentage of
   * the maximum heap size, if available.
   *
   * @return  The amount of memory in bytes used by the group cache, or
   *          {@code null} if it was not included in the monitor entry.
   */
  public Integer getCurrentCacheUsedAsPercentOfMaxHeap()
  {
    return currentCacheUsedPercent;
  }



  /**
   * Retrieves the length of time in milliseconds required to compute the group
   * cache size, if available.
   *
   * @return  The length of time in milliseconds required to compute the group
   *          cache size, or {@code null} if it was not included in the monitor
   *          entry.
   */
  public Double getCurrentCacheUsedUpdateDurationMillis()
  {
    return currentCacheUsedUpdateMillis;
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public String getMonitorDisplayName()
  {
    return INFO_GROUP_CACHE_MONITOR_DISPNAME.get();
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public String getMonitorDescription()
  {
    return INFO_GROUP_CACHE_MONITOR_DESC.get();
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public Map getMonitorAttributes()
  {
    final LinkedHashMap attrs =
         new LinkedHashMap<>(StaticUtils.computeMapCapacity(8));

    if (staticGroupEntries != null)
    {
      addMonitorAttribute(attrs,
           ATTR_STATIC_GROUP_ENTRIES,
           INFO_GROUP_CACHE_DISPNAME_STATIC_GROUP_ENTRIES.get(),
           INFO_GROUP_CACHE_DESC_STATIC_GROUP_ENTRIES.get(),
           staticGroupEntries);
    }

    if (staticGroupMembers != null)
    {
      addMonitorAttribute(attrs,
           ATTR_TOTAL_STATIC_GROUP_MEMBERS,
           INFO_GROUP_CACHE_DISPNAME_STATIC_GROUP_MEMBERS.get(),
           INFO_GROUP_CACHE_DESC_STATIC_GROUP_MEMBERS.get(),
           staticGroupMembers);
    }

    if (staticGroupUniqueMembers != null)
    {
      addMonitorAttribute(attrs,
           ATTR_UNIQUE_STATIC_GROUP_MEMBERS,
           INFO_GROUP_CACHE_DISPNAME_STATIC_GROUP_UNIQUE_MEMBERS.get(),
           INFO_GROUP_CACHE_DESC_STATIC_GROUP_UNIQUE_MEMBERS.get(),
           staticGroupUniqueMembers);
    }

    if (dynamicGroupEntries != null)
    {
      addMonitorAttribute(attrs,
           ATTR_DYNAMIC_GROUP_ENTRIES,
           INFO_GROUP_CACHE_DISPNAME_DYNAMIC_GROUP_ENTRIES.get(),
           INFO_GROUP_CACHE_DESC_DYNAMIC_GROUP_ENTRIES.get(),
           dynamicGroupEntries);
    }

    if (virtualStaticGroupEntries != null)
    {
      addMonitorAttribute(attrs,
           ATTR_VIRTUAL_STATIC_GROUP_ENTRIES,
           INFO_GROUP_CACHE_DISPNAME_VIRTUAL_STATIC_GROUP_ENTRIES.get(),
           INFO_GROUP_CACHE_DESC_VIRTUAL_STATIC_GROUP_ENTRIES.get(),
           virtualStaticGroupEntries);
    }

    if (currentCacheUsedBytes != null)
    {
      addMonitorAttribute(attrs,
           ATTR_CURRENT_CACHE_USED_BYTES,
           INFO_GROUP_CACHE_DISPNAME_CACHE_SIZE_BYTES.get(),
           INFO_GROUP_CACHE_DESC_CACHE_SIZE_BYTES.get(),
           currentCacheUsedBytes);
    }

    if (currentCacheUsedPercent != null)
    {
      addMonitorAttribute(attrs,
           ATTR_CURRENT_CACHE_USED_PERCENT,
           INFO_GROUP_CACHE_DISPNAME_CACHE_SIZE_PERCENT.get(),
           INFO_GROUP_CACHE_DESC_CACHE_SIZE_PERCENT.get(),
           currentCacheUsedPercent);
    }

    if (currentCacheUsedUpdateMillis != null)
    {
      addMonitorAttribute(attrs,
           ATTR_CURRENT_CACHE_USED_UPDATE_MILLIS,
           INFO_GROUP_CACHE_DISPNAME_CACHE_SIZE_UPDATE_MILLIS.get(),
           INFO_GROUP_CACHE_DESC_CACHE_SIZE_UPDATE_MILLIS.get(),
           currentCacheUsedUpdateMillis);
    }

    return Collections.unmodifiableMap(attrs);
  }
}