hadoop ProtoBase 源码
haddop ProtoBase 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ProtoBase.java
/**
* 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.hadoop.yarn.api.records.impl.pb;
import java.nio.ByteBuffer;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.thirdparty.protobuf.ByteString;
import org.apache.hadoop.thirdparty.protobuf.Message;
import org.apache.hadoop.thirdparty.protobuf.TextFormat;
@Private
@Unstable
public abstract class ProtoBase <T extends Message> {
public abstract T getProto();
//TODO Force a comparator?
@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());
}
protected final ByteBuffer convertFromProtoFormat(ByteString byteString) {
return ProtoUtils.convertFromProtoFormat(byteString);
}
protected final ByteString convertToProtoFormat(ByteBuffer byteBuffer) {
return ProtoUtils.convertToProtoFormat(byteBuffer);
}
}
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