org.drools.core.spi.BetaNodeFieldConstraint Maven / Gradle / Ivy
/*
* Copyright 2005 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.rule.ContextEntry;
public interface BetaNodeFieldConstraint
extends
Constraint {
boolean isAllowedCachedLeft(ContextEntry context,
InternalFactHandle handle);
boolean isAllowedCachedRight(Tuple tuple,
ContextEntry context);
ContextEntry createContextEntry();
/**
* Clone this constraints only if it is already used by a different node, otherwise returns this
*/
BetaNodeFieldConstraint cloneIfInUse();
}