net.hasor.dataql.domain.UdfModel 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.domain;
import net.hasor.dataql.Hints;
import net.hasor.dataql.Udf;
import net.hasor.dataql.runtime.HintsSet;
/**
* 函数调用
* @author 赵永春 ([email protected])
* @version : 2017-03-23
*/
public class UdfModel implements DataModel, Udf {
private Udf udf = null;
UdfModel(Udf udf) {
this.udf = udf;
}
@Override
public Udf asOri() {
return this.udf;
}
@Override
public Udf unwrap() {
return this.udf;
}
/** 判断是否为 UdfModel 类型值 */
public boolean isUdf() {
return true;
}
/** UDF 的返回值必须是一个 对象或者数组 */
public DataModel call(Object[] params) throws Throwable {
return call(new HintsSet(), params);
}
@Override
public DataModel call(Hints readOnly, Object... params) throws Throwable {
return DomainHelper.convertTo(this.udf.call(readOnly, params));
}
}
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