net.hasor.dataql.Udf Maven / Gradle / Ivy
/*
* Copyright 2008-2009 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 net.hasor.dataql;
import net.hasor.dataql.runtime.HintsSet;
/**
* UDF
* @author 赵永春 ([email protected])
* @version : 2017-03-23
*/
@FunctionalInterface
public interface Udf {
/** UDF 的返回值必须是一个 对象或者数组 */
public default Object call(Object... params) throws Throwable {
return call(new HintsSet(), params);
}
/** UDF 的返回值必须是一个 对象或者数组 */
public Object call(Hints readOnly, Object... params) throws Throwable;
}