001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase.client; 019 020import org.apache.hadoop.hbase.HColumnDescriptor; 021import org.apache.hadoop.hbase.HTableDescriptor; 022import org.apache.hadoop.hbase.client.TableDescriptorBuilder.ModifyableTableDescriptor; 023import org.apache.yetus.audience.InterfaceAudience; 024 025/** 026 * Read-only table descriptor. 027 */ 028@Deprecated // deprecated for hbase 2.0, remove for hbase 3.0. see HTableDescriptor. 029@InterfaceAudience.Private 030public class ImmutableHTableDescriptor extends HTableDescriptor { 031 032 @Override 033 protected HColumnDescriptor toHColumnDescriptor(ColumnFamilyDescriptor desc) { 034 if (desc == null) { 035 return null; 036 } else if (desc instanceof HColumnDescriptor) { 037 return new ImmutableHColumnDescriptor((HColumnDescriptor) desc); 038 } else { 039 return new ImmutableHColumnDescriptor(desc); 040 } 041 } 042 043 /* 044 * Create an unmodifyable copy of an HTableDescriptor n 045 */ 046 public ImmutableHTableDescriptor(final HTableDescriptor desc) { 047 super(desc, false); 048 } 049 050 public ImmutableHTableDescriptor(final TableDescriptor desc) { 051 super(desc instanceof ModifyableTableDescriptor 052 ? (ModifyableTableDescriptor) desc 053 : new ModifyableTableDescriptor(desc.getTableName(), desc)); 054 } 055 056 @Override 057 protected ModifyableTableDescriptor getDelegateeForModification() { 058 throw new UnsupportedOperationException("HTableDescriptor is read-only"); 059 } 060}