/*
* Copyright 2012 Adaptrex, LLC
*
* 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 com.adaptrex.core.persistence.cayenne;
import java.lang.reflect.Method;
import java.util.List;
import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.ObjectId;
import org.apache.cayenne.lifecycle.id.IdCoder;
import org.apache.cayenne.map.ObjEntity;
import org.apache.cayenne.map.ObjRelationship;
import org.apache.cayenne.query.ObjectIdQuery;
import org.apache.commons.lang3.StringUtils;
import com.adaptrex.core.ext.ExtTypeFormatter;
import com.adaptrex.core.ext.FieldDefinition;
import com.adaptrex.core.persistence.api.AdaptrexAssociationType;
import com.adaptrex.core.persistence.api.AdaptrexEntityType;
import com.adaptrex.core.security.SecureEntity;
import com.adaptrex.core.utilities.StringUtilities;
public class CayenneAssociationType extends AdaptrexAssociationType {
private Method getter;
private Method setter;
public CayenneAssociationType(ObjEntity objEntity, ObjRelationship relationship, Class<?> associationType, SecureEntity secureEntity) {
super(relationship.getName(), associationType, secureEntity);
this.idFieldDefinition =
new FieldDefinition(
relationship.getName() + StringUtils.capitalize(AdaptrexEntityType.ENTITY_ID_NAME),
ExtTypeFormatter.STRING
);
String capName = StringUtilities.capitalize(getName());
Class<?> declaringClass = objEntity.getJavaClass();
try {
getter = declaringClass.getMethod("get" + capName);
} catch (Exception e) {}
if (getter != null) {
try {
setter = declaringClass.getMethod(
"set" + capName,
getter.getReturnType()
);
} catch (Exception e) {}
}
}
@Override
public Object getAssociationFrom(Object entity) throws Exception {
return getter.invoke(entity);
}
public void setById(ObjectContext context, Object entity, Object foreignId) throws Exception {
IdCoder idCoder = new IdCoder(context.getEntityResolver());
ObjectId objectId = idCoder.getObjectId(String.valueOf(foreignId));
ObjectIdQuery query = new ObjectIdQuery(objectId);
List<?> list = context.performQuery(query);
Object newForeignObject = list.size() == 0 ? null : list.get(0);
setter.invoke(entity, newForeignObject);
}
public void set(Object entity, Object associatedEntity) throws Exception {
setter.invoke(entity, associatedEntity);
}
}