com.fusesource.forge.jmstest.peristence.ProbeAwarePeristenceAdapter.java Source code

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Here is the source code for com.fusesource.forge.jmstest.peristence.ProbeAwarePeristenceAdapter.java

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/*
 * Copyright (C) 2009, Progress Software Corporation and/or its
 * subsidiaries or affiliates.  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.
 */
package com.fusesource.forge.jmstest.peristence;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.fusesource.forge.jmstest.probe.ProbeDescriptor;

public abstract class ProbeAwarePeristenceAdapter extends CachingSamplePersistenceAdapter {

    private String fileName = "jmstest.rrd";
    private Long startTime = null;

    private Log log = null;

    public ProbeAwarePeristenceAdapter(List<ProbeDescriptor> descriptors) {
        super(null);

        for (int i = 0; i < descriptors.size(); i++) {
            ProbeDescriptor pd = descriptors.get(i);
            getDataSources().put(pd, "" + i);
        }
    }

    public String getFileName() {
        return fileName;
    }

    public void setFileName(String fileName) {
        this.fileName = fileName;
    }

    public void setStartTime(long startTime) {
        this.startTime = new Long(startTime);
    }

    public long getStartTime() {
        if (startTime == null) {
            startTime = new Long(System.currentTimeMillis() / 1000);
        }
        return startTime.longValue();
    }

    public void init() {
        super.init();

        File dbFile = new File(getFileName());

        if (!dbFile.getAbsoluteFile().getParentFile().exists()) {
            try {
                dbFile.getCanonicalFile().mkdirs();
            } catch (IOException e) {
                log().error("Error creating Rrd4j file.", e);
            }
        }

        if (dbFile.exists()) {
            dbFile.delete();
        }

        log().debug("Persistence Adapter uses : " + dbFile.getAbsolutePath());
    }

    private Log log() {
        if (log == null) {
            log = LogFactory.getLog(this.getClass());
        }
        return log;
    }
}