//
// This file is part of the OpenNMS(R) Application.
//
// OpenNMS(R) is Copyright (C) 2006 The OpenNMS Group, Inc.  All rights reserved.
// OpenNMS(R) is a derivative work, containing both original code, included code and modified
// code that was published under the GNU General Public License. Copyrights for modified
// and included code are below.
//
// OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
//
// Modifications:
//
// 2007 Aug 24: Move this class to org.opennms.netmgt.dao.support. - dj@opennms.org
// 2007 Mar 19: Added createGraphReturnDetails. - dj@opennms.org
//
// Original code base Copyright (C) 1999-2001 Oculan Corp.  All rights reserved.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// 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, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// For more information contact:
//      OpenNMS Licensing       <license@opennms.org>
//      http://www.opennms.org/
//      http://www.opennms.com/
//
package org.opennms.netmgt.dao.support;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;

import org.opennms.netmgt.rrd.RrdException;
import org.opennms.netmgt.rrd.RrdGraphDetails;
import org.opennms.netmgt.rrd.RrdStrategy;

public class NullRrdStrategy implements RrdStrategy {
	
	// THIS IS USED FOR TESTS SO RrdUtils can be initialized
	// but doesn't need to do anything

	public void closeFile(Object rrd) throws Exception {
	}

	public Object createDefinition(String creator, String directory,
			String rrdName, int step, List dataSources, List rraList)
			throws Exception {
		return null;
	}

	public void createFile(Object rrdDef) throws Exception {
	}

    public InputStream createGraph(String command, File workDir)
            throws IOException, RrdException {
        return null;
    }
    
    public RrdGraphDetails createGraphReturnDetails(String command, File workDir)
            throws IOException, RrdException {
        return null;
    }
    
	public Double fetchLastValue(String rrdFile, String ds, int interval)
			throws NumberFormatException, RrdException {
		return null;
	}

	public Double fetchLastValueInRange(String rrdFile, String ds, int interval, int range)
			throws NumberFormatException, RrdException {
		return null;
	}

	public String getStats() {
		return null;
	}

	public void graphicsInitialize() throws Exception {
	}

	public void initialize() throws Exception {
	}

	public Object openFile(String fileName) throws Exception {
		return null;
	}

	public void updateFile(Object rrd, String owner, String data)
			throws Exception {
	}

    public int getGraphRightOffset() {
        return 0;
    }

    public int getGraphTopOffsetWithText() {
        return 0;
    }

    public String getDefaultFileExtension() {
        return ".nullRrd";
    }

    public Double fetchLastValue(String rrdFile, String ds,
            String consolidationFunction, int interval)
            throws NumberFormatException, RrdException {
        return null;
    }

}

@@ -1667,16 +1667,45 @@
 Stream;%0A
+import java.util.Collection;%0A
 import j
@@ -3206,32 +3206,95 @@
 Exception %7B%0A%09%7D%0A%0A
+    public int getGraphLeftOffset() %7B%0A        return 0;%0A    %7D%0A%0A
     public int g
@@ -3692,10 +3692,85 @@
 %0A    %7D%0A%0A
+    public void promoteEnqueuedFiles(Collection%3CString%3E rrdFiles) %7B%0A    %7D%0A%0A
 %7D%0A

Add new methods that were added in revisions 7319 and 7416 of RrdStrategy.java