AnyEmbeddedBuilder.java

/*
 * Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
 *
 * 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.querydsl.mongodb;

import java.util.Collection;

import com.querydsl.core.support.QueryMixin;
import com.querydsl.core.types.ExpressionUtils;
import com.querydsl.core.types.Path;
import com.querydsl.core.types.Predicate;

/**
 * {@code AnyEmbeddedBuilder} is a builder for constraints on embedded objects
 *
 * @param <Q> query type
 * @param <K> result type
 *
 * @author tiwe
 */
public class AnyEmbeddedBuilder<Q extends AbstractMongodbQuery<K, Q>, K> {

    private final QueryMixin<Q> queryMixin;

    private final Path<? extends Collection<?>> collection;

    public AnyEmbeddedBuilder(QueryMixin<Q> queryMixin,
            Path<? extends Collection<?>> collection) {
        this.queryMixin = queryMixin;
        this.collection = collection;
    }

    public Q on(Predicate... conditions) {
        return queryMixin.where(ExpressionUtils.predicate(
                MongodbOps.ELEM_MATCH, collection, ExpressionUtils.allOf(conditions)));
    }

}