/*
* 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.hadoop.hive.accumulo.predicate.compare;
/**
* Handles different types of comparisons in hive predicates. Filter iterator delegates value
* acceptance to the CompareOpt.
*
* Used by {@link org.apache.hadoop.hive.accumulo.predicate.PrimitiveComparisonFilter}. Works with
* {@link PrimitiveComparison}
*/
public interface CompareOp {
/**
* Sets the PrimitiveComparison for this CompareOp
*/
public void setPrimitiveCompare(PrimitiveComparison comp);
/**
* @return The PrimitiveComparison this CompareOp is a part of
*/
public PrimitiveComparison getPrimitiveCompare();
/**
* @param val The bytes from the Accumulo Value
* @return true if the value is accepted by this CompareOp
*/
public boolean accept(byte[] val);
}