| /* |
| * 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.samza.startpoint; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.base.MoreObjects; |
| import com.google.common.base.Objects; |
| |
| /** |
| * A {@link Startpoint} that represents a timestamp offset in a stream partition. |
| */ |
| public final class StartpointTimestamp extends Startpoint { |
| |
| private final Long timestampOffset; |
| |
| // Default constructor needed by serde. |
| private StartpointTimestamp() { |
| this(null); |
| } |
| |
| /** |
| * Constructs a {@link Startpoint} that represents a timestamp offset in a stream partition. |
| * @param timestampOffset in a stream partition in milliseconds. |
| */ |
| public StartpointTimestamp(Long timestampOffset) { |
| super(); |
| this.timestampOffset = timestampOffset; |
| } |
| |
| @VisibleForTesting |
| StartpointTimestamp(Long timestampOffset, Long creationTimeStamp) { |
| super(creationTimeStamp); |
| this.timestampOffset = timestampOffset; |
| } |
| |
| /** |
| * Getter for the timestamp offset. |
| * @return the timestamp offset in milliseconds. |
| */ |
| public Long getTimestampOffset() { |
| return timestampOffset; |
| } |
| |
| @Override |
| public <IN, OUT> OUT apply(IN input, StartpointVisitor<IN, OUT> startpointVisitor) { |
| return startpointVisitor.visit(input, this); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(this).add("timestampOffset", timestampOffset).toString(); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| if (!super.equals(o)) { |
| return false; |
| } |
| StartpointTimestamp that = (StartpointTimestamp) o; |
| return Objects.equal(timestampOffset, that.timestampOffset); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(super.hashCode(), timestampOffset); |
| } |
| } |