/**
* Copyright 2005 JBoss Inc
*
* 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.drools.reteoo;
import java.io.Externalizable;
import org.drools.common.InternalFactHandle;
import org.drools.common.InternalWorkingMemory;
import org.drools.spi.PropagationContext;
/**
* Receiver of propagated <code>ReteTuple</code>s from a
* <code>TupleSource</code>.
*
* @see LeftTupleSource
*
* @author <a href="mailto:mark.proctor@jboss.com">Mark Proctor</a>
* @author <a href="mailto:bob@werken.com">Bob McWhirter</a>
*/
public interface LeftTupleSink
extends
Externalizable,
Sink {
public short getType();
/**
* Assert a new <code>ReteTuple</code>.
*
* @param leftTuple
* The <code>ReteTuple</code> to propagate.
* @param context
* The <code>PropagationContext</code> of the <code>WorkingMemory<code> action
* @param workingMemory
* the <code>WorkingMemory</code> session.
*/
void assertLeftTuple(LeftTuple leftTuple,
PropagationContext context,
InternalWorkingMemory workingMemory);
void retractLeftTuple(LeftTuple leftTuple,
PropagationContext context,
InternalWorkingMemory workingMemory);
public boolean isLeftTupleMemoryEnabled();
public void setLeftTupleMemoryEnabled(boolean tupleMemoryEnabled);
public void modifyLeftTuple(InternalFactHandle factHandle,
ModifyPreviousTuples modifyPreviousTuples,
PropagationContext context,
InternalWorkingMemory workingMemory);
public void modifyLeftTuple(LeftTuple leftTuple,
PropagationContext context,
InternalWorkingMemory workingMemory);
}