/*
* 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
*
* 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 org.apache.solr.client.solrj.io.eval;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.solr.client.solrj.io.Tuple;
import org.apache.solr.client.solrj.io.stream.expr.StreamExpression;
import org.apache.solr.client.solrj.io.stream.expr.StreamFactory;
public abstract class ConditionalEvaluator extends ComplexEvaluator {
protected static final long serialVersionUID = 1L;
public ConditionalEvaluator(StreamExpression expression, StreamFactory factory) throws IOException{
super(expression, factory);
}
public List<Object> evaluateAll(final Tuple tuple) throws IOException {
List<Object> results = new ArrayList<Object>();
for(StreamEvaluator subEvaluator : subEvaluators){
results.add(subEvaluator.evaluate(tuple));
}
return results;
}
public interface Checker {
default boolean isNullAllowed(){
return false;
}
boolean isCorrectType(Object value);
boolean test(Object left, Object right);
}
public interface BooleanChecker extends Checker {
default boolean isCorrectType(Object value){
return value instanceof Boolean;
}
}
}