/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you 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.apache.uima.cas; | |
/** | |
* Interface for a boolean constraint. A boolean constraint contains a single condition, either true | |
* or false. To set the condition, use | |
* <p> | |
* To use the constraint, invoke its {@link #match(float)} method, passing the value to test. You | |
* can also embed this test with a path specification, using the | |
* {@link org.apache.uima.cas.ConstraintFactory#embedConstraint(FeaturePath, FSConstraint)} method, | |
* and use it to test feature structures, or combine it with other tests using the | |
* {@link org.apache.uima.cas.ConstraintFactory#and(FSMatchConstraint, FSMatchConstraint)} and | |
* {@link org.apache.uima.cas.ConstraintFactory#or(FSMatchConstraint, FSMatchConstraint)} methods. | |
*/ | |
public interface FSBooleanConstraint extends FSConstraint { | |
/** | |
* Set the constraint. | |
* @param condition The condition that needs to be matched to satisfy the constraint. | |
*/ | |
public void eq(boolean condition); | |
/** | |
* Check the condition. | |
* @param condition Value to compare with the condition. | |
* @return True if value and constraint are equal, false else. | |
*/ | |
public boolean match(boolean condition); | |
} |