core/api/src/main/java/org/apache/zest/api/dataset/DataSet.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.zest.api.dataset;

import org.apache.zest.functional.Function;
import org.apache.zest.functional.Specification;

/**
 * definition.constrain(entity(Person.class))
 * builder.from(path(Person.class,Movie.))
 * TODO
 */
public interface DataSet<T>
{
    DataSet<T> constrain( Specification<T> selection );

    <U> DataSet<U> project( Function<T, U> conversion );

    Query<T> newQuery();
}