com.gemstone.gemfire.internal.sequencelog.RegionLogger Maven / Gradle / Ivy

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SnappyData store based off Pivotal GemFireXD
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/*
 * Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you
 * may not use this file except in compliance with the License. You
 * may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * permissions and limitations under the License. See accompanying
 * LICENSE file.
 */
package com.gemstone.gemfire.internal.sequencelog;

import java.util.regex.Pattern;

import com.gemstone.gemfire.distributed.internal.membership.InternalDistributedMember;
import com.gemstone.gemfire.internal.cache.persistence.PersistentMemberID;

/**
 * A Wrapper around the graph logger that logs region level
 * events.
 * @author dsmith
 * 
 */
public class RegionLogger {
  
  private static final SequenceLogger GRAPH_LOGGER = SequenceLoggerImpl.getInstance();

  /**
   * Log the creation of a region. This should only be called if the region was
   * not recovered from disk or GII'd from another member.
   * 
   * @param regionName
   * @param source
   */
  public static void logCreate(String regionName,
      InternalDistributedMember source) {
    GRAPH_LOGGER.logTransition(GraphType.REGION, regionName, "create", "created", source,source);
  }

  public static void logGII(String regionName,
      InternalDistributedMember source, InternalDistributedMember dest, PersistentMemberID persistentMemberID) {
    GRAPH_LOGGER.logTransition(GraphType.REGION, regionName, "GII", "created", source, dest);
    if(persistentMemberID != null) {
      GRAPH_LOGGER.logTransition(GraphType.REGION, regionName, "persist", "persisted", dest, persistentMemberID.diskStoreId);
    }
  }

  /**
   * Log the persistence of a region
   */
  public static void logPersistence(String regionName,
      InternalDistributedMember source, PersistentMemberID disk) {
    GRAPH_LOGGER.logTransition(GraphType.REGION, regionName, "persist", "persisted", source, disk.diskStoreId);
  }

  /**
   * Log the recovery of a persistent region.
   */
  public static void logRecovery(String regionName,
      PersistentMemberID disk,
      InternalDistributedMember memberId) {
    GRAPH_LOGGER.logTransition(GraphType.REGION, regionName, "recover", "created", disk.diskStoreId, memberId);
    
  }

  public static void logDestroy(String regionName, InternalDistributedMember memberId,
      PersistentMemberID persistentID, boolean isClose) {
    if(isEnabled()) {
      final Pattern ALL_REGION_KEYS = Pattern.compile(regionName +".*");
      GRAPH_LOGGER.logTransition(GraphType.REGION, regionName, "destroy", "destroyed", memberId, memberId);
      GRAPH_LOGGER.logTransition(GraphType.KEY, ALL_REGION_KEYS, "destroy", "destroyed", memberId, memberId);
      if(!isClose && persistentID != null) {
        GRAPH_LOGGER.logTransition(GraphType.REGION, regionName, "destroy", "destroyed", memberId, persistentID.diskStoreId);
        GRAPH_LOGGER.logTransition(GraphType.KEY, ALL_REGION_KEYS, "destroy", "destroyed", memberId, persistentID.diskStoreId);
      }
    }
  }

  public static boolean isEnabled() {
    return GRAPH_LOGGER.isEnabled(GraphType.REGION);
  }
}