org.apache.hadoop.hive.ql.processors.CommandProcessorResponse Maven / Gradle / Ivy
/*
* 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.hive.ql.processors;
import org.apache.hadoop.hive.metastore.api.Schema;
/**
* Encapsulates the basic response info returned by classes the implement the
* CommandProcessor interface. Typically errorMessage
* and SQLState will only be set if the responseCode
* is not 0. Note that often {@code responseCode} ends up the exit value of
* command shell process so should keep it to < 127.
*/
public class CommandProcessorResponse {
private final Schema schema;
private final String message;
public CommandProcessorResponse() {
this(null, null);
}
public CommandProcessorResponse(Schema schema, String message) {
this.schema = schema;
this.message = message;
}
public Schema getSchema() {
return schema;
}
public String getMessage() {
return message;
}
@Override
public String toString() {
return "(" + (schema == null ? "" : ", schema = " + schema + ", ") + "message = " + message + ")";
}
}