DumpStore.java

/*
 * DumpStore.java
 *
 * This file is part of TDA - Thread Dump Analysis Tool.
 *
 * Foobar is free software; you can redistribute it and/or modify
 * it under the terms of the Lesser GNU General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * Foobar 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
 * Lesser GNU General Public License for more details.
 *
 * You should have received a copy of the Lesser GNU General Public License
 * along with TDA; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * $Id: DumpStore.java,v 1.2 2007-11-01 14:59:39 irockel Exp $
 */
package com.pironet.tda;

import java.io.Serializable;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

/**
 * stores a tree of dump files
 * @author irockel
 * @author lmathieu
 */
public class DumpStore implements Serializable {
	private static final long serialVersionUID = 4953625540097603774L;
	private Map<String, Map<String, Map<String, String>>> dumpFiles;

	/**
	 * Creates a new instance of DumpStore
	 */
	public DumpStore() {
	}

	/**
	 * add the found thread dumps of a dump file to dump store
	 * @param key the key to store the thread dumps in, usually the file name
	 * @param threadDumpsInFile new found thread dumps to add.
	 */
	public void addFileToDumpFiles(String key, Map<String, Map<String, String>> threadDumpsInFile) {
		// first check if map is null, and if so, create new instance
		if(dumpFiles == null) {
			dumpFiles = new HashMap<>();
		}
		if(threadDumpsInFile != null) {
			dumpFiles.put(key, threadDumpsInFile);
		}
	}

	/**
	 * get the thread dumps for the specified file key from the store
	 */
	public Map<String, Map<String, String>> getFromDumpFiles(String key) {
		return(dumpFiles != null ? dumpFiles.get(key) : null);
	}

	/**
	 * get an iterator on the dumps file keys
	 */
	public Iterator<String> iterOfDumpFilesKeys() {
		return(dumpFiles != null ? dumpFiles.keySet().iterator() : null);
	}

}