org.drools.core.spi.Restriction Maven / Gradle / Ivy
/*
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* 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.core.spi;
import org.drools.core.common.InternalFactHandle;
import org.drools.core.common.InternalWorkingMemory;
import org.drools.core.rule.ContextEntry;
import org.drools.core.rule.Declaration;
import java.io.Externalizable;
public interface Restriction
extends
Externalizable,
Cloneable {
Declaration[] getRequiredDeclarations();
public boolean isAllowed(InternalReadAccessor extractor,
InternalFactHandle handle,
InternalWorkingMemory workingMemory,
ContextEntry context );
public boolean isAllowedCachedLeft(ContextEntry context,
InternalFactHandle handle);
public boolean isAllowedCachedRight(Tuple tuple,
ContextEntry context);
public ContextEntry createContextEntry();
/**
* A restriction may be required to replace an old
* declaration object by a new updated one
*
* @param oldDecl
* @param newDecl
*/
void replaceDeclaration(Declaration oldDecl,
Declaration newDecl);
public Evaluator getEvaluator();
/**
* Returns true if this is a temporal restriction
*
* @return
*/
public boolean isTemporal();
public Restriction clone();
}