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package org.netbeans.modules.profiler.v2.impl;

import java.lang.ref.Reference;
import java.lang.ref.WeakReference;
import org.openide.util.RequestProcessor;

/**
 *
 * @author Jiri Sedlacek
 */
public final class WeakProcessor {
    
    private Reference<RequestProcessor> processor;
    
    private final String name;
    private final int throughput;
    
    public WeakProcessor(String name) {
        this(name, 1);
    }
    
    public WeakProcessor(String name, int throughput) {
        this.name = name;
        this.throughput = throughput;
    }
    
    public void post(Runnable task) {
        processor().post(task);
    }
    
    public void post(Runnable task, int delay) {
        processor().post(task, delay);
    }
    
    private synchronized RequestProcessor processor() {
        RequestProcessor p = processor != null ? processor.get() : null;
        
        if (p == null) {
            p = new RequestProcessor(name, throughput);
            processor = new WeakReference(p);
        }
        
        return p;
    }
    
}
