/*
* Copyright (c) 2011. The Apache Software Foundation
*
* 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.hbase.hbql.statement;
import org.apache.hadoop.hbase.hbql.client.ExecutionResults;
import org.apache.hadoop.hbase.hbql.client.HBqlException;
import org.apache.hadoop.hbase.hbql.mapping.EnvVars;
public class SetStatement extends GenericStatement implements NonConnectionStatement {
private final String variable, value;
public SetStatement(final String variable, final String value) {
super(null);
this.variable = variable;
this.value = value;
}
public String getVariable() {
return variable;
}
public String getValue() {
return value;
}
public ExecutionResults execute() throws HBqlException {
final String var = this.getVariable();
if (var == null)
throw new HBqlException("Error in SET command");
if (var.equalsIgnoreCase("packagepath")) {
EnvVars.setPackagePath(this.getValue());
return new ExecutionResults("PackagePath set to " + this.getValue());
}
throw new HBqlException("Unknown variable: " + var);
}
}