| /* |
| * 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.process.traversal.step.filter; |
| |
| import org.apache.tinkerpop.gremlin.process.traversal.Traversal; |
| import org.apache.tinkerpop.gremlin.process.traversal.Traverser; |
| import org.apache.tinkerpop.gremlin.process.traversal.step.HasContainerHolder; |
| import org.apache.tinkerpop.gremlin.process.traversal.step.util.HasContainer; |
| import org.apache.tinkerpop.gremlin.process.traversal.traverser.TraverserRequirement; |
| import org.apache.tinkerpop.gremlin.structure.Element; |
| import org.apache.tinkerpop.gremlin.structure.util.StringFactory; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.EnumSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * @author Marko A. Rodriguez (http://markorodriguez.com) |
| */ |
| public class HasStep<S extends Element> extends FilterStep<S> implements HasContainerHolder { |
| |
| private List<HasContainer> hasContainers; |
| |
| public HasStep(final Traversal.Admin traversal, final HasContainer... hasContainers) { |
| super(traversal); |
| this.hasContainers = new ArrayList<>(); |
| Collections.addAll(this.hasContainers, hasContainers); |
| } |
| |
| @Override |
| protected boolean filter(final Traverser.Admin<S> traverser) { |
| return HasContainer.testAll(traverser.get(), this.hasContainers); |
| } |
| |
| @Override |
| public String toString() { |
| return StringFactory.stepString(this, this.hasContainers); |
| } |
| |
| @Override |
| public List<HasContainer> getHasContainers() { |
| return Collections.unmodifiableList(this.hasContainers); |
| } |
| |
| @Override |
| public void removeHasContainer(final HasContainer hasContainer) { |
| this.hasContainers.remove(hasContainer); |
| } |
| |
| @Override |
| public void addHasContainer(final HasContainer hasContainer) { |
| this.hasContainers.add(hasContainer); |
| } |
| |
| @Override |
| public Set<TraverserRequirement> getRequirements() { |
| return EnumSet.of(TraverserRequirement.OBJECT); |
| } |
| |
| @Override |
| public HasStep<S> clone() { |
| final HasStep<S> clone = (HasStep<S>) super.clone(); |
| clone.hasContainers = new ArrayList<>(); |
| for (final HasContainer hasContainer : this.hasContainers) { |
| clone.addHasContainer(hasContainer.clone()); |
| } |
| return clone; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = super.hashCode(); |
| for (final HasContainer hasContainer : this.hasContainers) { |
| result ^= hasContainer.hashCode(); |
| } |
| return result; |
| } |
| } |