/**
* 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
* <p/>
* http://www.apache.org/licenses/LICENSE-2.0
* <p/>
* 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.tajo.engine.function.json;
import net.minidev.json.parser.JSONParser;
import org.apache.tajo.OverridableConf;
import org.apache.tajo.catalog.Column;
import org.apache.tajo.plan.expr.FunctionEval;
import org.apache.tajo.plan.function.GeneralFunction;
public abstract class ScalarJsonFunction extends GeneralFunction {
protected JSONParser parser;
public ScalarJsonFunction(Column[] definedArgs) {
super(definedArgs);
}
@Override
public void init(OverridableConf queryContext, FunctionEval.ParamType [] paramTypes) {
parser = new JSONParser(JSONParser.MODE_JSON_SIMPLE | JSONParser.IGNORE_CONTROL_CHAR);
}
}