1 /** 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 package org.apache.hadoop.hbase.types; 19 20 import org.apache.hadoop.classification.InterfaceAudience; 21 import org.apache.hadoop.classification.InterfaceStability; 22 import org.apache.hadoop.hbase.util.Order; 23 import org.apache.hadoop.hbase.util.OrderedBytes; 24 import org.apache.hadoop.hbase.util.PositionedByteRange; 25 26 /** 27 * Base class for data types backed by the {@link OrderedBytes} encoding 28 * implementations. 29 */ 30 @InterfaceAudience.Public 31 @InterfaceStability.Evolving 32 public abstract class OrderedBytesBase<T> implements DataType<T> { 33 34 protected final Order order; 35 36 protected OrderedBytesBase(Order order) { this.order = order; } 37 38 @Override 39 public boolean isOrderPreserving() { return true; } 40 41 @Override 42 public Order getOrder() { return order; } 43 44 // almost all OrderedBytes implementations are nullable. 45 @Override 46 public boolean isNullable() { return true; } 47 48 // almost all OrderedBytes implementations are skippable. 49 @Override 50 public boolean isSkippable() { return true; } 51 52 @Override 53 public int skip(PositionedByteRange src) { 54 return OrderedBytes.skip(src); 55 } 56 }