/*
* Copyright 2010 JBoss Inc
*
* Licensed 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.drools.core.command;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlSchemaType;
import org.drools.core.command.impl.GenericCommand;
import org.kie.internal.command.Context;
@XmlRootElement(name="get-variable-command")
@XmlAccessorType(XmlAccessType.FIELD)
public class GetVariableCommand implements GenericCommand<Object> {
@XmlElement
@XmlSchemaType(name="string")
private String identifier;
@XmlElement
@XmlSchemaType(name="string")
private String contextName;
public GetVariableCommand() {
// no-arg constructor neccessary for serialization
}
public GetVariableCommand(String identifier) {
this.identifier = identifier;
}
public GetVariableCommand(String identifier,
String contextName) {
this.identifier = identifier;
this.contextName = contextName;
}
public Object execute(Context ctx) {
Context targetCtx;
if ( this.contextName == null ) {
targetCtx = ctx;
} else {
targetCtx = ctx.getContextManager().getContext( this.contextName );
}
return targetCtx.get( identifier);
}
}