/*
* Copyright 2016 requery.io
*
* 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 io.requery.sql;
import io.requery.query.Result;
import io.requery.query.element.QueryElement;
import io.requery.query.element.QueryOperation;
/**
* Executes an select query operation.
*
* @author Nikhil Purushe
*/
class SelectOperation<E> implements QueryOperation<Result<E>> {
private final RuntimeConfiguration configuration;
private final ResultReader<E> reader;
SelectOperation(RuntimeConfiguration configuration, ResultReader<E> reader) {
this.configuration = configuration;
this.reader = reader;
}
@Override
public Result<E> evaluate(QueryElement<Result<E>> query) {
return new SelectResult<>(configuration, query, reader);
}
}