SubQuery.java

/**
 * Copyright (C) 2010 Michael Mosmann <michael@mosmann.de>
 *
 * 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 de.flapdoodle.mongoom.datastore.query;

import java.util.Collection;

import de.flapdoodle.mongoom.IListQueryOperation;
import de.flapdoodle.mongoom.IQuery;
import de.flapdoodle.mongoom.IQueryOperation;
import de.flapdoodle.mongoom.ISubQuery;
import de.flapdoodle.mongoom.datastore.factories.IDBObjectFactory;
import de.flapdoodle.mongoom.datastore.factories.OrObjectFactory;
import de.flapdoodle.mongoom.mapping.Const;
import de.flapdoodle.mongoom.mapping.ITransformation;
import de.flapdoodle.mongoom.mapping.properties.Property;
import de.flapdoodle.mongoom.mapping.properties.PropertyReference;
import de.flapdoodle.mongoom.types.Reference;

public class SubQuery<T, Q extends IQuery<T>> extends AbstractQuery<T, ITransformation> implements ISubQuery<T, Q> {

	private final Q _query;

	public SubQuery(Q query, ITransformation converter, IDBObjectFactory dbObjectFactory) {
		super(converter, dbObjectFactory);
		_query = query;
	}

	@Override
	public <V> IQueryOperation<T, ISubQuery<T, Q>,V> field(PropertyReference<V> field) {
		MappedNameTransformation converter = getConverter(field);
		return new QueryOperation<T, ISubQuery<T, Q>,V>(this, getQueryBuilder(), converter);
	}
	
	@Override
	public <C extends Collection<V>, V> IListQueryOperation<T,  ISubQuery<T, Q>, V> listfield(
			PropertyReference<C> field) {
		MappedNameTransformation converter = getConverter(field);
		return new ListQueryOperation<T, ISubQuery<T, Q>,V>(this, getQueryBuilder(), converter);
	}

//	@Override
//	public IQueryOperation<T, ISubQuery<T, Q>> field(String... field) {
//		MappedNameTransformation converter = getConverter(field);
//		return new QueryOperation<T, ISubQuery<T, Q>>(this, getQueryBuilder(), converter);
//	}
	
	@Override
	public IQueryOperation<T, ISubQuery<T, Q>, Reference<T>> id() {
		return field((PropertyReference) Property.ref(Const.ID_FIELDNAME,Reference.class));
	}

	@Override
	public ISubQuery<T, ISubQuery<T, Q>> or() {
		return new SubQuery<T, ISubQuery<T, Q>>(this, getConverter(), new OrObjectFactory(getQueryBuilder()));
	}

	@Override
	public Q parent() {
		return _query;
	}
	//	@Override
	//	public Q or(IEntityQuery<T>... queries)
	//	{
	//		super.internalOr(queries);
	//		return (Q) this;
	//	};

}