org.apache.beam.sdk.io.aws.sns.PublishResultCoder.java Source code

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Here is the source code for org.apache.beam.sdk.io.aws.sns.PublishResultCoder.java

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/*
 * 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.io.aws.sns;

import com.amazonaws.services.sns.model.PublishResult;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Serializable;
import java.util.List;
import org.apache.beam.sdk.coders.Coder;
import org.apache.beam.sdk.coders.CoderException;
import org.apache.beam.sdk.coders.StringUtf8Coder;
import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableList;

/** Custom Coder for handling publish result. */
public class PublishResultCoder extends Coder<PublishResult> implements Serializable {
    private static final PublishResultCoder INSTANCE = new PublishResultCoder();

    private PublishResultCoder() {
    }

    static PublishResultCoder of() {
        return INSTANCE;
    }

    @Override
    public void encode(PublishResult value, OutputStream outStream) throws CoderException, IOException {
        StringUtf8Coder.of().encode(value.getMessageId(), outStream);
    }

    @Override
    public PublishResult decode(InputStream inStream) throws CoderException, IOException {
        final String messageId = StringUtf8Coder.of().decode(inStream);
        return new PublishResult().withMessageId(messageId);
    }

    @Override
    public List<? extends Coder<?>> getCoderArguments() {
        return ImmutableList.of();
    }

    @Override
    public void verifyDeterministic() throws NonDeterministicException {
        StringUtf8Coder.of().verifyDeterministic();
    }
}