src/java/org/apache/log4j/chainsaw/ChainsawEventBatch.java

/*
 * ============================================================================
 *                   The Apache Software License, Version 1.1
 * ============================================================================
 *
 *    Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modifica-
 * tion, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of  source code must  retain the above copyright  notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. The end-user documentation included with the redistribution, if any, must
 *    include  the following  acknowledgment:  "This product includes  software
 *    developed  by the  Apache Software Foundation  (http://www.apache.org/)."
 *    Alternately, this  acknowledgment may  appear in the software itself,  if
 *    and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "log4j" and  "Apache Software Foundation"  must not be used to
 *    endorse  or promote  products derived  from this  software without  prior
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 *
 * This software  consists of voluntary contributions made  by many individuals
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package org.apache.log4j.chainsaw;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Vector;

import org.apache.log4j.spi.LoggingEvent;


/**
 * A container class that contains a group of events split up
 * into branches based on Identifiers
 * @author Paul Smith <psmith@apache.org>
 * @author Scott Deboy <sdeboy@apache.org>
 *
 */
class ChainsawEventBatch {
  private Map identEventMap = new HashMap();

  ChainsawEventBatch() {
  }

  /**
   * @param eventType
   * @param convertedEventVector
   */
  void addEvent(String ident, String eventType, LoggingEvent e) {
    List events = null;

    if (!identEventMap.containsKey(ident)) {
      events = new ArrayList();
      identEventMap.put(ident, events);
    } else {
      events = (List) identEventMap.get(ident);
    }

    events.add(
      new ChainsawEventBatchEntry(ident, eventType, e));
  }

  /**
   * Returns an iterator of Identifier strings that this payload contains.
   *
   * The values returned from this iterator can be used to query the
   *
   * @return Iterator
   */
  Iterator identifierIterator() {
    return identEventMap.keySet().iterator();
  }

  /**
   * Returns a Collection of ChainsawEventBatchEntry objects that
   * are bound to the identifier
   * @param identifier
   * @return Collection of ChainsawEventBatchEntry instances
   */
  List entrySet(String identifier) {
    return (List) identEventMap.get(identifier);
  }
}