org.drools.core.command.runtime.rule.UpdateCommand Maven / Gradle / Ivy
/*
* 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.runtime.rule;
import org.drools.core.command.impl.ExecutableCommand;
import org.drools.core.command.impl.RegistryContext;
import org.drools.core.common.DisconnectedFactHandle;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.rule.EntryPoint;
import org.kie.api.runtime.rule.FactHandle;
import org.kie.api.runtime.Context;
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 java.util.Arrays;
@XmlRootElement(name="update-command")
@XmlAccessorType(XmlAccessType.NONE)
public class UpdateCommand implements ExecutableCommand {
private static final long serialVersionUID = 3255044102543531497L;
private DisconnectedFactHandle handle;
@XmlElement
private Object object;
@XmlElement
@XmlSchemaType(name="string")
private String entryPoint = "DEFAULT";
@XmlElement
private String[] modifiedProperties;
public UpdateCommand() {
}
public UpdateCommand(FactHandle handle,
Object object) {
this.handle = DisconnectedFactHandle.newFrom( handle );
this.object = object;
}
public UpdateCommand(FactHandle handle,
Object object,
String[] modifiedProperties) {
this( handle, object );
this.modifiedProperties = modifiedProperties;
}
public String getEntryPoint() {
return entryPoint;
}
public void setEntryPoint(String entryPoint) {
if (entryPoint == null) {
entryPoint = "DEFAULT";
}
this.entryPoint = entryPoint;
}
public Object getObject() {
return object;
}
public DisconnectedFactHandle getHandle() {
return this.handle;
}
@XmlElement(name="fact-handle", required=true)
public void setFactHandleFromString(String factHandleId) {
handle = new DisconnectedFactHandle(factHandleId);
}
public String getFactHandleFromString() {
return handle.toExternalForm();
}
public Void execute(Context context) {
KieSession ksession = ((RegistryContext) context).lookup( KieSession.class );
EntryPoint ep = ksession.getEntryPoint( handle.getEntryPointId() );
if (modifiedProperties != null) {
ep.update( handle, object, modifiedProperties );
} else {
ep.update( handle, object );
}
return null;
}
public String toString() {
return "session.update( " + handle + ", " + object +
(modifiedProperties != null ? ", " + Arrays.toString( modifiedProperties ) : "") + " );";
}
}