/**
 * Copyright 2010 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.rule;

import java.io.Externalizable;

import org.drools.common.InternalFactHandle;
import org.drools.common.InternalWorkingMemory;
import org.drools.reteoo.LeftTuple;

public interface ContextEntry
    extends
    Externalizable {

    public ContextEntry getNext();

    public void setNext(ContextEntry entry);

    public void updateFromTuple(InternalWorkingMemory workingMemory,
                                LeftTuple tuple);

    public void updateFromFactHandle(InternalWorkingMemory workingMemory,
                                     InternalFactHandle handle);

    public void resetTuple();

    public void resetFactHandle();

}