| /* |
| * 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.sdk.nexmark.model; |
| |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import com.fasterxml.jackson.core.JsonProcessingException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.Serializable; |
| import org.apache.beam.sdk.coders.Coder; |
| import org.apache.beam.sdk.coders.CoderException; |
| import org.apache.beam.sdk.coders.CustomCoder; |
| import org.apache.beam.sdk.coders.StringUtf8Coder; |
| import org.apache.beam.sdk.nexmark.NexmarkUtils; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.base.Objects; |
| |
| /** Result of query 10. */ |
| public class Done implements KnownSize, Serializable { |
| private static final Coder<String> STRING_CODER = StringUtf8Coder.of(); |
| |
| public static final Coder<Done> CODER = |
| new CustomCoder<Done>() { |
| @Override |
| public void encode(Done value, OutputStream outStream) throws CoderException, IOException { |
| STRING_CODER.encode(value.message, outStream); |
| } |
| |
| @Override |
| public Done decode(InputStream inStream) throws CoderException, IOException { |
| String message = STRING_CODER.decode(inStream); |
| return new Done(message); |
| } |
| |
| @Override |
| public void verifyDeterministic() throws NonDeterministicException {} |
| |
| @Override |
| public Object structuralValue(Done v) { |
| return v; |
| } |
| }; |
| |
| @JsonProperty private final String message; |
| |
| // For Avro only. |
| @SuppressWarnings("unused") |
| public Done() { |
| message = null; |
| } |
| |
| public Done(String message) { |
| this.message = message; |
| } |
| |
| @Override |
| public long sizeInBytes() { |
| return message.length(); |
| } |
| |
| @Override |
| public String toString() { |
| try { |
| return NexmarkUtils.MAPPER.writeValueAsString(this); |
| } catch (JsonProcessingException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| Done done = (Done) o; |
| return Objects.equal(message, done.message); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(message); |
| } |
| } |