com.intel.hadoopRPCBenchmark.BenchmarkEngineTokenIdentifier.java Source code

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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 com.intel.hadoopRPCBenchmark;

import org.apache.hadoop.io.Text;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.TokenIdentifier;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

public class BenchmarkEngineTokenIdentifier extends TokenIdentifier {
    private Text tokenid;
    private Text realUser;
    final static Text KIND_NAME = new Text("benchmarkengine.token");

    public BenchmarkEngineTokenIdentifier() {
        this(new Text(), new Text());
    }

    public BenchmarkEngineTokenIdentifier(Text tokenid) {
        this(tokenid, new Text());
    }

    public BenchmarkEngineTokenIdentifier(Text tokenid, Text realUser) {
        this.tokenid = tokenid == null ? new Text() : tokenid;
        this.realUser = realUser == null ? new Text() : realUser;
    }

    @Override
    public Text getKind() {
        return KIND_NAME;
    }

    @Override
    public UserGroupInformation getUser() {
        if (realUser.toString().isEmpty()) {
            return UserGroupInformation.createRemoteUser(tokenid.toString());
        } else {
            UserGroupInformation realUgi = UserGroupInformation.createRemoteUser(realUser.toString());
            return UserGroupInformation.createProxyUser(tokenid.toString(), realUgi);
        }
    }

    public void readFields(DataInput in) throws IOException {
        tokenid.readFields(in);
        realUser.readFields(in);
    }

    public void write(DataOutput out) throws IOException {
        tokenid.write(out);
        realUser.write(out);
    }
}