Examples with HBase11ScanBuilder co.cask.cdap.data2.util.hbase.HBase11ScanBuilder used on opensource projects

Example 1 with HBase11ScanBuilder

use of co.cask.cdap.data2.util.hbase.HBase11ScanBuilder in project cdap by caskdata.

the class MessageTableRegionObserver method start.

@Override
public void start(CoprocessorEnvironment e) throws IOException {
    if (e instanceof RegionCoprocessorEnvironment) {
        RegionCoprocessorEnvironment env = (RegionCoprocessorEnvironment) e;
        HTableDescriptor tableDesc = env.getRegion().getTableDesc();
        String metadataTableNamespace = tableDesc.getValue(Constants.MessagingSystem.HBASE_METADATA_TABLE_NAMESPACE);
        String hbaseNamespacePrefix = tableDesc.getValue(Constants.Dataset.TABLE_PREFIX);
        prefixLength = Integer.valueOf(tableDesc.getValue(Constants.MessagingSystem.HBASE_MESSAGING_TABLE_PREFIX_NUM_BYTES));
        String sysConfigTablePrefix = HTableNameConverter.getSysConfigTablePrefix(hbaseNamespacePrefix);
        CConfigurationReader cConfReader = new CConfigurationReader(env.getConfiguration(), sysConfigTablePrefix);
        txStateCacheSupplier = getTransactionStateCacheSupplier(hbaseNamespacePrefix, env.getConfiguration());
        txStateCache = txStateCacheSupplier.get();
        topicMetadataCacheSupplier = new TopicMetadataCacheSupplier(env, cConfReader, hbaseNamespacePrefix, metadataTableNamespace, new HBase11ScanBuilder());
        topicMetadataCache = topicMetadataCacheSupplier.get();
    }
}