Package org.kiji.schema.avro

Examples of org.kiji.schema.avro.MetadataBackup

72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
    final File file = new File(outputFile);
    if (file.exists()) {
      throw new IOException("Output file '" + outputFile + "' already exists. Won't overwrite.");
    }
    final MetadataBackup backup = MetadataBackup.newBuilder()
        .setLayoutVersion(kiji.getSystemTable().getDataVersion().toString())
        .setSystemTable(kiji.getSystemTable().toBackup())
        .setSchemaTable(kiji.getSchemaTable().toBackup())
        .setMetaTable(kiji.getMetaTable().toBackup())
        .build();

    // Now write out the file itself.
    final DatumWriter<MetadataBackup> datumWriter =
      new SpecificDatumWriter<MetadataBackup>(MetadataBackup.class);
    final DataFileWriter<MetadataBackup> fileWriter =
      new DataFileWriter<MetadataBackup>(datumWriter);
    try {
      fileWriter.create(backup.getSchema(), file);
      fileWriter.append(backup);
    } finally {
      ResourceUtils.closeOrLog(fileWriter);
    }
  }
View Full Code Here
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
                .setEntries(new ArrayList<SystemTableEntry>())
                .build());
    backupBuilder.setMetaTable(metaTable.toBackup());
    backupBuilder.setSchemaTable(schemaTable.toBackup());
    backupBuilder.setSystemTable(systemTable.toBackup());
    final MetadataBackup backup = backupBuilder.build();

    // make sure metadata key-value pairs are what we expect.
    List<KeyValueBackupEntry> keyValues =
        backup.getMetaTable().getTables().get("foo").getKeyValueBackup().getKeyValues();
    assertEquals(1, keyValues.size());
    assertEquals("key", keyValues.get(0).getKey());
    assertArrayEquals(BYTES_VALUE, keyValues.get(0).getValue().array());

    // make sure layouts are what we expect.
    List<TableLayoutBackupEntry> layoutBackups =
        backup.getMetaTable().getTables().get("foo").getTableLayoutsBackup().getLayouts();
    assertEquals(1, layoutBackups.size());
    assertEquals(updatedLayout.getDesc(), layoutBackups.get(0).getLayout());

    metaTable.deleteTable("foo");
    assertTrue(!metaTable.tableSet().contains("foo"));
View Full Code Here
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
                .setEntries(new ArrayList<SystemTableEntry>())
                .build());
    backupBuilder.setMetaTable(metaTable.toBackup());
    backupBuilder.setSchemaTable(schemaTable.toBackup());
    backupBuilder.setSystemTable(systemTable.toBackup());
    final MetadataBackup backup = backupBuilder.build();

    // make sure metadata key-value pairs are what we expect.
    List<KeyValueBackupEntry> keyValues =
        backup.getMetaTable().getTables().get("foo").getKeyValueBackup().getKeyValues();
    assertEquals(1, keyValues.size());
    assertEquals("key", keyValues.get(0).getKey());
    assertArrayEquals(BYTES_VALUE, keyValues.get(0).getValue().array());

    // make sure layouts are what we expect.
    List<TableLayoutBackupEntry> layoutBackups =
        backup.getMetaTable().getTables().get("foo").getTableLayoutsBackup().getLayouts();
    assertEquals(1, layoutBackups.size());
    assertEquals(updatedLayout.getDesc(), layoutBackups.get(0).getLayout());

    // Delete the entries for "foo" from the meta table.
    metaTable.deleteTable("foo");
View Full Code Here
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
    final File file = new File(outputFile);
    if (file.exists()) {
      throw new IOException("Output file '" + outputFile + "' already exists. Won't overwrite.");
    }
    final MetadataBackup backup = MetadataBackup.newBuilder()
        .setLayoutVersion(kiji.getSystemTable().getDataVersion().toString())
        .setSystemTable(kiji.getSystemTable().toBackup())
        .setSchemaTable(kiji.getSchemaTable().toBackup())
        .setMetaTable(kiji.getMetaTable().toBackup())
        .build();

    // Now write out the file itself.
    final DatumWriter<MetadataBackup> datumWriter =
      new SpecificDatumWriter<MetadataBackup>(MetadataBackup.class);
    final DataFileWriter<MetadataBackup> fileWriter =
      new DataFileWriter<MetadataBackup>(datumWriter);
    try {
      fileWriter.create(backup.getSchema(), file);
      fileWriter.append(backup);
    } finally {
      ResourceUtils.closeOrLog(fileWriter);
    }
  }
View Full Code Here
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
      if (!fileReader.hasNext()) {
        throw new IOException("Metadata file '" + inputFile + "' is empty");
      }

      LOG.debug("Reading metadata backup file entry...");
      final MetadataBackup backup = fileReader.next();
      LOG.debug("Read metadata backup file entry.");

      // Check that the dataVersion is compatible with this Kiji instance.
      final KijiSystemTable statusTable = kiji.getSystemTable();
      final ProtocolVersion curDataVersion = statusTable.getDataVersion();
      LOG.debug("Metadata backup data version: " + backup.getLayoutVersion());
      LOG.debug("Current data version: " + curDataVersion);
      if (!curDataVersion.equals(ProtocolVersion.parse(backup.getLayoutVersion()))) {
        throw new IOException(String.format(
          "Cannot restore: backup layout version '%s' does not match Kiji instance version '%s'.",
          backup.getLayoutVersion(), curDataVersion));
      }

      if (mAllTables) {
        LOG.debug("Restoring all tables...");
        mRestorer.restoreTables(backup, kiji);
View Full Code Here
TOP

Related Classes of org.kiji.schema.avro.MetadataBackup

  • org.kiji.schema.cassandra.TestCassandraMetaTable
  • org.kiji.schema.impl.cassandra.CassandraMetadataRestorer
  • org.kiji.schema.impl.MetadataRestorer
  • org.kiji.schema.TestKijiMetaTable
  • org.kiji.schema.tools.MetadataTool
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.