/*
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* 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 org.drools.core.command.impl.ExecutableCommand;
import org.drools.core.command.impl.RegistryContext;
import org.drools.core.common.InternalFactHandle;
import org.kie.api.runtime.rule.FactHandle;
import org.kie.api.runtime.Context;
import org.kie.api.runtime.builder.Scope;
import java.util.HashMap;
import java.util.Map;
public class SetVariableCommandFromLastReturn
implements
ExecutableCommand<Object> {
private String identifier;
private String contextName;
private Scope scope = Scope.REQUEST;
public SetVariableCommandFromLastReturn(String identifier) {
this.identifier = identifier;
}
public SetVariableCommandFromLastReturn(String contextName,
String identifier) {
this.identifier = identifier;
this.contextName = contextName;
}
public SetVariableCommandFromLastReturn(String contextName,
String identifier,
Scope scope) {
this.identifier = identifier;
this.contextName = contextName;
this.scope = scope;
}
public Object execute(Context context) {
Context targetCtx;
if ( this.contextName == null ) {
targetCtx = context;
} else {
targetCtx = ( (RegistryContext) context ).getContextManager().getContext( this.contextName );
}
GetDefaultValue sim = (GetDefaultValue) context.get( "simulator" );
Object o = sim.getObject();
// for FactHandle's we store the handle on a map and the actual object as
if ( o instanceof FactHandle ) {
Map<String, FactHandle> handles = (Map<String, FactHandle>) targetCtx.get( "h" );
if ( handles == null ) {
handles = new HashMap<String, FactHandle>();
targetCtx.set( "h",
handles );
}
handles.put( identifier,
(FactHandle) o );
o = ((InternalFactHandle) o).getObject();
}
targetCtx.set( identifier,
o );
return o;
}
}