spark SessionHandle 源码
spark SessionHandle 代码
文件路径：/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/SessionHandle.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.hive.service.cli;
import java.util.UUID;
import org.apache.hive.service.rpc.thrift.TProtocolVersion;
import org.apache.hive.service.rpc.thrift.TSessionHandle;
/**
* SessionHandle.
*
*/
public class SessionHandle extends Handle {
private final TProtocolVersion protocol;
public SessionHandle(TProtocolVersion protocol) {
this.protocol = protocol;
}
// dummy handle for ThriftCLIService
public SessionHandle(TSessionHandle tSessionHandle) {
this(tSessionHandle, TProtocolVersion.HIVE_CLI_SERVICE_PROTOCOL_V1);
}
public SessionHandle(TSessionHandle tSessionHandle, TProtocolVersion protocol) {
super(tSessionHandle.getSessionId());
this.protocol = protocol;
}
public SessionHandle(HandleIdentifier handleId, TProtocolVersion protocol) {
super(handleId);
this.protocol = protocol;
}
public UUID getSessionId() {
return getHandleIdentifier().getPublicId();
}
public TSessionHandle toTSessionHandle() {
TSessionHandle tSessionHandle = new TSessionHandle();
tSessionHandle.setSessionId(getHandleIdentifier().toTHandleIdentifier());
return tSessionHandle;
}
public TProtocolVersion getProtocolVersion() {
return protocol;
}
@Override
public String toString() {
return "SessionHandle [" + getHandleIdentifier() + "]";
}
}
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