src/hbase/if/Comparator.proto

/**
 * 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.
 */

// This file contains protocol buffers that are used for filters
package hbase.pb;

option java_package = "org.apache.hadoop.hbase.protobuf.generated";
option java_outer_classname = "ComparatorProtos";
option java_generic_services = true;
option java_generate_equals_and_hash = true;
option optimize_for = SPEED;

// This file contains protocol buffers that are used for comparators (e.g. in filters)

message Comparator {
  required string name = 1;
  optional bytes serialized_comparator = 2;
}

message ByteArrayComparable {
  optional bytes value = 1;
}

message BinaryComparator {
  required ByteArrayComparable comparable = 1;
}

message LongComparator {
  required ByteArrayComparable comparable = 1;
}

message BinaryPrefixComparator {
  required ByteArrayComparable comparable = 1;
}

message BitComparator {
  required ByteArrayComparable comparable = 1;
  required BitwiseOp bitwise_op = 2;

  enum BitwiseOp {
    AND = 1;
    OR = 2;
    XOR = 3;
  }
}

message NullComparator {
}

message RegexStringComparator {
  required string pattern = 1;
  required int32 pattern_flags = 2;
  required string charset = 3;
  optional string engine = 4;
}

message SubstringComparator {
  required string substr = 1;
}