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package com.vmlens.trace.agent.bootstrap.callback.obj;

import com.vmlens.trace.agent.bootstrap.callback.AnarsoftWeakHashMap;
import com.vmlens.trace.agent.bootstrap.callback.CallbackState;
import com.vmlens.trace.agent.bootstrap.callback.CallbackStatePerThread;


public class DelegateRepository {

	private static final AnarsoftWeakHashMap delegate2Target = new AnarsoftWeakHashMap();
	private static final Object LOCK = new Object();
	
	static void put4DelegateTarget(Object delegate ,DelegateTarget delegateTarget )
	{
		synchronized(LOCK)
		{
			delegate2Target.put( delegate , delegateTarget);
		}
	}
	
	
	
	static void put(Object delegate, Object target, ObjectCallbackState objectCallbackState)
	{
		synchronized(LOCK)
		{
			delegate2Target.put( delegate , new DelegateTarget(objectCallbackState , target   ) );
		}
	}
	
	
	static DelegateTarget getDelegate(Object delegate)
	{

		synchronized(LOCK)
		{
			return delegate2Target.get(delegate);	
		}
	}
	
	
	public static void access(Object delegate, int operation, int methodId )
	{
		CallbackStatePerThread callbackStatePerThread = CallbackState.callbackStatePerThread.get();

		int slidingWindowId = CallbackState.traceFields(callbackStatePerThread);

		if (!CallbackState.isSlidingWindowTrace(slidingWindowId)) {
			return;
		}
		
		
		DelegateTarget delegateTarget = null;
		
		synchronized(LOCK)
		{
			delegateTarget = delegate2Target.get(delegate);	
		}
		
		if( delegateTarget != null  )
		{
			delegateTarget.access(  operation,  methodId , callbackStatePerThread , slidingWindowId );
		}
		
		
	}
	
}