/**
* 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.tajo.cli;
import org.apache.tajo.util.StringUtils;
import java.util.HashMap;
import java.util.Map;
public class SetCommand extends TajoShellCommand {
public SetCommand(TajoCli.TajoCliContext context) {
super(context);
}
@Override
public String getCommand() {
return "\\set";
}
@Override
public void invoke(String[] cmd) throws Exception {
if (cmd.length == 1) {
for (Map.Entry<String, String> entry: client.getAllSessionVariables().entrySet()) {
context.getOutput().println(StringUtils.quote(entry.getKey()) + "=" + StringUtils.quote(entry.getValue()));
}
} else if (cmd.length == 3) {
Map<String, String> variables = new HashMap<String, String>();
variables.put(cmd[1], cmd[2]);
client.updateSessionVariables(variables);
} else {
context.getOutput().println("usage: \\set [[NAME] VALUE]");
}
}
@Override
public String getUsage() {
return "";
}
@Override
public String getDescription() {
return "set session variable or shows all session variables";
}
}