/*
* 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.base;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.drools.core.spi.Activation;
import org.kie.api.runtime.rule.AgendaFilter;
import org.kie.api.runtime.rule.Match;
/**
* Filters activations based on a specified regular expression.
*/
public class RuleNameMatchesAgendaFilter
implements
AgendaFilter {
private final Pattern pattern;
private final boolean accept;
public RuleNameMatchesAgendaFilter(final String regexp) {
this( regexp,
true );
}
public RuleNameMatchesAgendaFilter(final String regexp,
final boolean accept) {
this.pattern = Pattern.compile( regexp );
this.accept = accept;
}
public Pattern getPattern() {
return pattern;
}
public boolean isAccept() {
return accept;
}
public boolean accept( Match activation ) {
Matcher matcher = pattern.matcher( activation.getRule().getName() );
if ( matcher.matches() ) {
return this.accept;
} else {
return !this.accept;
}
}
}