/*
* Copyright 2010 The Fornax Project Team, including the original
* author or authors.
*
* 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.sculptor.framework.accessimpl.mongodb;
import java.io.Serializable;
import org.bson.types.ObjectId;
import org.sculptor.framework.accessapi.FindByIdAccess;
import com.mongodb.DBObject;
/**
* <p>
* Find an entity by its id. Implementation of Access command FindByIdAccess.
* </p>
* <p>
* Command design pattern.
* </p>
*/
public class MongoDbFindByIdAccessImpl<T, ID extends Serializable> extends MongoDbAccessBase<T> implements
FindByIdAccess<T, ID> {
private ID id;
private T result;
public MongoDbFindByIdAccessImpl(Class<T> persistentClass) {
setPersistentClass(persistentClass);
}
protected ID getId() {
return id;
}
@Override
public void setId(ID id) {
this.id = id;
}
@Override
public T getResult() {
return result;
}
protected void setResult(T result) {
this.result = result;
}
@Override
public void performExecute() {
ObjectId objectId = ObjectId.massageToObjectId(getId());
DBObject found = getDBCollection().findOne(objectId);
result = getDataMapper().toDomain(found);
}
protected boolean isLock() {
throw new UnsupportedOperationException("lock not supported by " + getClass().getName());
}
@Override
public void setLock(boolean lock) {
throw new UnsupportedOperationException("lock not supported by " + getClass().getName());
}
}