/*
* 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.IdentifiableResult;
import org.drools.core.command.impl.ExecutableCommand;
import org.drools.core.command.impl.RegistryContext;
import org.drools.core.impl.StatefulKnowledgeSessionImpl;
import org.drools.core.impl.StatefulKnowledgeSessionImpl.ObjectStoreWrapper;
import org.drools.core.runtime.impl.ExecutionResultImpl;
import org.kie.api.runtime.KieSession;
import org.kie.api.runtime.ObjectFilter;
import org.kie.api.runtime.rule.EntryPoint;
import org.kie.api.runtime.Context;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
@XmlAccessorType(XmlAccessType.NONE)
public class GetObjectsInEntryPointCommand
implements
ExecutableCommand<Collection>, IdentifiableResult {
public String getOutIdentifier() {
return outIdentifier;
}
public void setOutIdentifier(String outIdentifier) {
this.outIdentifier = outIdentifier;
}
private ObjectFilter filter = null;
@XmlAttribute(name="out-identifier")
private String outIdentifier;
@XmlAttribute(name="entry-point")
private String entryPoint;
public GetObjectsInEntryPointCommand() {
}
public GetObjectsInEntryPointCommand(ObjectFilter filter, String entryPoint) {
this.filter = filter;
this.entryPoint = entryPoint;
}
public GetObjectsInEntryPointCommand(ObjectFilter filter, String entryPoint, String outIdentifier) {
this.filter = filter;
this.entryPoint = entryPoint;
this.outIdentifier = outIdentifier;
}
public Collection execute(Context context) {
KieSession ksession = ((RegistryContext) context).lookup( KieSession.class );
EntryPoint ep = ksession.getEntryPoint(entryPoint);
Collection col = null;
if ( filter != null ) {
col = ep.getObjects( this.filter );
} else {
col = ep.getObjects( );
}
if ( this.outIdentifier != null ) {
List objects = new ArrayList( col );
((RegistryContext) context).lookup( ExecutionResultImpl.class ).setResult( this.outIdentifier, objects );
}
return col;
}
public Collection< ? extends Object > getObjects(StatefulKnowledgeSessionImpl session) {
return new ObjectStoreWrapper( session.getObjectStore(),
null,
ObjectStoreWrapper.OBJECT );
}
public Collection< ? extends Object > getObjects(StatefulKnowledgeSessionImpl session, ObjectFilter filter) {
return new ObjectStoreWrapper( session.getObjectStore(),
filter,
ObjectStoreWrapper.OBJECT );
}
public String toString() {
if ( filter != null ) {
return "session.getEntryPoint( " + entryPoint + " ).iterateObjects( " + filter + " );";
} else {
return "session.getEntryPoint( " + entryPoint + " ).iterateObjects();";
}
}
}