content: /*
   * 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
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  package org.apache.beam.runners.core.triggers;
  
  import java.util.Collections;
  import java.util.List;
  import org.apache.beam.sdk.state.TimeDomain;
  import org.apache.beam.sdk.transforms.SerializableFunction;
  import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.base.Objects;
  import org.checkerframework.checker.nullness.qual.Nullable;
  import org.joda.time.Instant;
  
  // This should not really have the superclass https://issues.apache.org/jira/browse/BEAM-1486
  class AfterSynchronizedProcessingTimeStateMachine extends AfterDelayFromFirstElementStateMachine {
  
    public static AfterSynchronizedProcessingTimeStateMachine ofFirstElement() {
      return new AfterSynchronizedProcessingTimeStateMachine();
    }
  
    @Override
    public @Nullable Instant getCurrentTime(TriggerStateMachine.TriggerContext context) {
      return context.currentSynchronizedProcessingTime();
    }
  
    private AfterSynchronizedProcessingTimeStateMachine() {
      super(TimeDomain.SYNCHRONIZED_PROCESSING_TIME, Collections.emptyList());
    }
  
    @Override
    public String toString() {
      return "AfterSynchronizedProcessingTime.pastFirstElementInPane()";
    }
  
    @Override
    public boolean equals(@Nullable Object obj) {
      return this == obj || obj instanceof AfterSynchronizedProcessingTimeStateMachine;
    }
  
    @Override
    public int hashCode() {
      return Objects.hashCode(AfterSynchronizedProcessingTimeStateMachine.class);
    }
  
    @Override
    protected AfterSynchronizedProcessingTimeStateMachine newWith(
        List<SerializableFunction<Instant, Instant>> transforms) {
      // ignore transforms
      return this;
    }
  }
  