/*
* 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.tinkerpop.gremlin.neo4j.process.traversal;
import org.apache.tinkerpop.gremlin.neo4j.structure.Neo4jVertex;
import org.apache.tinkerpop.gremlin.process.traversal.P;
import java.io.Serializable;
import java.util.function.BiPredicate;
/**
* @author Marko A. Rodriguez (http://markorodriguez.com)
*/
public final class LabelP extends P<String> {
private LabelP(final String label) {
super(LabelBiPredicate.instance(), label);
}
public static P<String> of(final String label) {
return new LabelP(label);
}
public static final class LabelBiPredicate implements BiPredicate<String, String>, Serializable {
private static final LabelBiPredicate INSTANCE = new LabelBiPredicate();
private LabelBiPredicate() {
}
@Override
public boolean test(final String labels, final String checkLabel) {
return labels.equals(checkLabel) || labels.contains(Neo4jVertex.LABEL_DELIMINATOR + checkLabel) || labels.contains(checkLabel + Neo4jVertex.LABEL_DELIMINATOR);
}
public static LabelBiPredicate instance() {
return INSTANCE;
}
}
}