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20 package org.apache.hadoop.hbase.client;
21
22 import org.apache.hadoop.classification.InterfaceAudience;
23 import org.apache.hadoop.classification.InterfaceStability;
24 import org.apache.hadoop.hbase.HColumnDescriptor;
25 import org.apache.hadoop.hbase.HTableDescriptor;
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30 @InterfaceAudience.Public
31 @InterfaceStability.Evolving
32 public class UnmodifyableHTableDescriptor extends HTableDescriptor {
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34 public UnmodifyableHTableDescriptor() {
35 super();
36 }
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42 UnmodifyableHTableDescriptor(final HTableDescriptor desc) {
43 super(desc.getTableName(), getUnmodifyableFamilies(desc), desc.getValues());
44 }
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51 private static HColumnDescriptor[] getUnmodifyableFamilies(
52 final HTableDescriptor desc) {
53 HColumnDescriptor [] f = new HColumnDescriptor[desc.getFamilies().size()];
54 int i = 0;
55 for (HColumnDescriptor c: desc.getFamilies()) {
56 f[i++] = c;
57 }
58 return f;
59 }
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65 @Override
66 public void addFamily(final HColumnDescriptor family) {
67 throw new UnsupportedOperationException("HTableDescriptor is read-only");
68 }
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75 @Override
76 public HColumnDescriptor removeFamily(final byte [] column) {
77 throw new UnsupportedOperationException("HTableDescriptor is read-only");
78 }
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83 @Override
84 public void setReadOnly(boolean readOnly) {
85 throw new UnsupportedOperationException("HTableDescriptor is read-only");
86 }
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91 @Override
92 public void setValue(byte[] key, byte[] value) {
93 throw new UnsupportedOperationException("HTableDescriptor is read-only");
94 }
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99 @Override
100 public void setValue(String key, String value) {
101 throw new UnsupportedOperationException("HTableDescriptor is read-only");
102 }
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107 @Override
108 public void setMaxFileSize(long maxFileSize) {
109 throw new UnsupportedOperationException("HTableDescriptor is read-only");
110 }
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115 @Override
116 public void setMemStoreFlushSize(long memstoreFlushSize) {
117 throw new UnsupportedOperationException("HTableDescriptor is read-only");
118 }
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127 }