// $Header: /home/cvs/jakarta-jmeter/src/core/org/apache/jmeter/threads/JMeterContext.java,v 1.11 2004/02/14 03:34:29 sebb Exp $
/*
 * Copyright 2000-2004 The Apache Software Foundation.
 *
 * 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 org.apache.jmeter.threads;

import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.samplers.Sampler;

/**
 * @version $Revision: 1.11 $
 */
public class JMeterContext
{
    JMeterVariables variables;
    SampleResult previousResult;
    Sampler currentSampler;
    Sampler previousSampler;
    boolean samplingStarted;
    private int threadNum;
    private byte[] readBuffer = null;

    JMeterContext()
    {
        variables = null;
        previousResult = null;
        currentSampler = null;
        samplingStarted = false;
    }
    
    public void clear()
    {
        variables = null;
        previousResult = null;
        currentSampler = null;
        previousSampler = null;
        samplingStarted = false;
        threadNum = 0;
        readBuffer = null;
    }

    public JMeterVariables getVariables()
    {
        return variables;
    }
    
    public byte[] getReadBuffer()
    {
        if(readBuffer == null)
        {
            readBuffer = new byte[8192];
        }
        return  readBuffer;
    }

    public void setVariables(JMeterVariables vars)
    {
        this.variables = vars;
    }

    public SampleResult getPreviousResult()
    {
        return previousResult;
    }

    public void setPreviousResult(SampleResult result)
    {
        this.previousResult = result;
    }

    public Sampler getCurrentSampler()
    {
        return currentSampler;
    }

    public void setCurrentSampler(Sampler sampler)
    {
        setPreviousSampler(currentSampler);
        this.currentSampler = sampler;
    }

    /**
     * Returns the previousSampler.
     * @return Sampler
     */
    public Sampler getPreviousSampler()
    {
        return previousSampler;
    }

    /**
     * Sets the previousSampler.
     * @param previousSampler the previousSampler to set
     */
    public void setPreviousSampler(Sampler previousSampler)
    {
        this.previousSampler = previousSampler;
    }

    /**
     * Returns the threadNum.
     * @return int
     */
    public int getThreadNum()
    {
        return threadNum;
    }

    /**
     * Sets the threadNum.
     * @param threadNum the threadNum to set
     */
    public void setThreadNum(int threadNum)
    {
        this.threadNum = threadNum;
    }

    public boolean isSamplingStarted()
    {
        return samplingStarted;
    }

    public void setSamplingStarted(boolean b)
    {
        samplingStarted = b;
    }
}