mamba.applicationhistoryservice.records.impl.pb.ApplicationAttemptStartDataPBImpl.java Source code

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Here is the source code for mamba.applicationhistoryservice.records.impl.pb.ApplicationAttemptStartDataPBImpl.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 mamba.applicationhistoryservice.records.impl.pb;

import com.google.protobuf.TextFormat;
import mamba.applicationhistoryservice.records.ApplicationAttemptStartData;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl;
import org.apache.hadoop.yarn.api.records.impl.pb.ContainerIdPBImpl;
import org.apache.hadoop.yarn.proto.ApplicationHistoryServerProtos.ApplicationAttemptStartDataProto;
import org.apache.hadoop.yarn.proto.ApplicationHistoryServerProtos.ApplicationAttemptStartDataProtoOrBuilder;
import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationAttemptIdProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ContainerIdProto;

/**
 * Created by sanbing on 10/10/16.
 */
public class ApplicationAttemptStartDataPBImpl extends ApplicationAttemptStartData {

    ApplicationAttemptStartDataProto proto = ApplicationAttemptStartDataProto.getDefaultInstance();
    ApplicationAttemptStartDataProto.Builder builder = null;
    boolean viaProto = false;

    public ApplicationAttemptStartDataPBImpl() {
        builder = ApplicationAttemptStartDataProto.newBuilder();
    }

    public ApplicationAttemptStartDataPBImpl(ApplicationAttemptStartDataProto proto) {
        this.proto = proto;
        viaProto = true;
    }

    private ApplicationAttemptId applicationAttemptId;
    private ContainerId masterContainerId;

    @Override
    public ApplicationAttemptId getApplicationAttemptId() {
        if (this.applicationAttemptId != null) {
            return this.applicationAttemptId;
        }
        ApplicationAttemptStartDataProtoOrBuilder p = viaProto ? proto : builder;
        if (!p.hasApplicationAttemptId()) {
            return null;
        }
        this.applicationAttemptId = convertFromProtoFormat(p.getApplicationAttemptId());
        return this.applicationAttemptId;
    }

    @Override
    public void setApplicationAttemptId(ApplicationAttemptId applicationAttemptId) {
        maybeInitBuilder();
        if (applicationAttemptId == null) {
            builder.clearApplicationAttemptId();
        }
        this.applicationAttemptId = applicationAttemptId;
    }

    @Override
    public String getHost() {
        ApplicationAttemptStartDataProtoOrBuilder p = viaProto ? proto : builder;
        if (!p.hasHost()) {
            return null;
        }
        return p.getHost();
    }

    @Override
    public void setHost(String host) {
        maybeInitBuilder();
        if (host == null) {
            builder.clearHost();
            return;
        }
        builder.setHost(host);
    }

    @Override
    public int getRPCPort() {
        ApplicationAttemptStartDataProtoOrBuilder p = viaProto ? proto : builder;
        return p.getRpcPort();
    }

    @Override
    public void setRPCPort(int rpcPort) {
        maybeInitBuilder();
        builder.setRpcPort(rpcPort);
    }

    @Override
    public ContainerId getMasterContainerId() {
        if (this.masterContainerId != null) {
            return this.masterContainerId;
        }
        ApplicationAttemptStartDataProtoOrBuilder p = viaProto ? proto : builder;
        if (!p.hasApplicationAttemptId()) {
            return null;
        }
        this.masterContainerId = convertFromProtoFormat(p.getMasterContainerId());
        return this.masterContainerId;
    }

    @Override
    public void setMasterContainerId(ContainerId masterContainerId) {
        maybeInitBuilder();
        if (masterContainerId == null) {
            builder.clearMasterContainerId();
        }
        this.masterContainerId = masterContainerId;
    }

    public ApplicationAttemptStartDataProto getProto() {
        mergeLocalToProto();
        proto = viaProto ? proto : builder.build();
        viaProto = true;
        return proto;
    }

    @Override
    public int hashCode() {
        return getProto().hashCode();
    }

    @Override
    public boolean equals(Object other) {
        if (other == null)
            return false;
        if (other.getClass().isAssignableFrom(this.getClass())) {
            return this.getProto().equals(this.getClass().cast(other).getProto());
        }
        return false;
    }

    @Override
    public String toString() {
        return TextFormat.shortDebugString(getProto());
    }

    private void mergeLocalToBuilder() {
        if (this.applicationAttemptId != null && !((ApplicationAttemptIdPBImpl) this.applicationAttemptId)
                .getProto().equals(builder.getApplicationAttemptId())) {
            builder.setApplicationAttemptId(convertToProtoFormat(this.applicationAttemptId));
        }
        if (this.masterContainerId != null && !((ContainerIdPBImpl) this.masterContainerId).getProto()
                .equals(builder.getMasterContainerId())) {
            builder.setMasterContainerId(convertToProtoFormat(this.masterContainerId));
        }
    }

    private void mergeLocalToProto() {
        if (viaProto) {
            maybeInitBuilder();
        }
        mergeLocalToBuilder();
        proto = builder.build();
        viaProto = true;
    }

    private void maybeInitBuilder() {
        if (viaProto || builder == null) {
            builder = ApplicationAttemptStartDataProto.newBuilder(proto);
        }
        viaProto = false;
    }

    private ApplicationAttemptIdPBImpl convertFromProtoFormat(ApplicationAttemptIdProto applicationAttemptId) {
        return new ApplicationAttemptIdPBImpl(applicationAttemptId);
    }

    private ApplicationAttemptIdProto convertToProtoFormat(ApplicationAttemptId applicationAttemptId) {
        return ((ApplicationAttemptIdPBImpl) applicationAttemptId).getProto();
    }

    private ContainerIdPBImpl convertFromProtoFormat(ContainerIdProto containerId) {
        return new ContainerIdPBImpl(containerId);
    }

    private ContainerIdProto convertToProtoFormat(ContainerId masterContainerId) {
        return ((ContainerIdPBImpl) masterContainerId).getProto();
    }

}