net.hasor.dataql.Query 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.QueryRuntimeException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Supplier;
/**
* 查询
* @author 赵永春 ([email protected])
* @version : 2017-03-23
*/
public interface Query extends Hints, Cloneable {
/** 添加全局变量 */
public void addShareVar(String key, Object value);
/** 添加全局变量 */
public default void putShareVar(Map> shareVarMap) {
if (shareVarMap == null) {
return;
}
shareVarMap.forEach((key, valueSupplier) -> {
addShareVar(key, valueSupplier.get());
});
}
/** 执行查询 */
public default QueryResult execute() throws QueryRuntimeException {
return this.execute(symbol -> Collections.emptyMap());
}
/** 执行查询 */
public default QueryResult execute(Map envData) throws QueryRuntimeException {
return this.execute(symbol -> envData);
}
/** 执行查询 */
public default QueryResult execute(Object[] envData) throws QueryRuntimeException {
if (envData == null) {
return this.execute(Collections.emptyMap());
}
Map objectMap = new HashMap<>();
for (int i = 0; i < envData.length; i++) {
objectMap.put("_" + i, envData[i]);
}
return this.execute(objectMap);
}
/** 执行查询 */
public QueryResult execute(CustomizeScope customizeScope) throws QueryRuntimeException;
/** 复制一个Query */
public Query clone();
}