| /* |
| * 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.beam.runners.core.triggers; |
| |
| import java.util.Set; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.Sets; |
| |
| /** An implementation of {@link FinishedTriggers} atop a user-provided mutable {@link Set}. */ |
| public class FinishedTriggersSet implements FinishedTriggers { |
| |
| private final Set<ExecutableTriggerStateMachine> finishedTriggers; |
| |
| private FinishedTriggersSet(Set<ExecutableTriggerStateMachine> finishedTriggers) { |
| this.finishedTriggers = finishedTriggers; |
| } |
| |
| public static FinishedTriggersSet fromSet(Set<ExecutableTriggerStateMachine> finishedTriggers) { |
| return new FinishedTriggersSet(finishedTriggers); |
| } |
| |
| /** Returns a mutable {@link Set} of the underlying triggers that are finished. */ |
| public Set<ExecutableTriggerStateMachine> getFinishedTriggers() { |
| return finishedTriggers; |
| } |
| |
| @Override |
| public boolean isFinished(ExecutableTriggerStateMachine trigger) { |
| return finishedTriggers.contains(trigger); |
| } |
| |
| @Override |
| public void setFinished(ExecutableTriggerStateMachine trigger, boolean value) { |
| if (value) { |
| finishedTriggers.add(trigger); |
| } else { |
| finishedTriggers.remove(trigger); |
| } |
| } |
| |
| @Override |
| public void clearRecursively(ExecutableTriggerStateMachine trigger) { |
| finishedTriggers.remove(trigger); |
| for (ExecutableTriggerStateMachine subTrigger : trigger.subTriggers()) { |
| clearRecursively(subTrigger); |
| } |
| } |
| |
| @Override |
| public FinishedTriggersSet copy() { |
| return fromSet(Sets.newHashSet(finishedTriggers)); |
| } |
| } |