com.facebook.presto.orc.metadata

Class DwrfMetadataReader

java.lang.Object

com.facebook.presto.orc.metadata.DwrfMetadataReader

All Implemented Interfaces:

MetadataReader

public class DwrfMetadataReader
extends Object
implements MetadataReader

Constructor Summary

Constructors

Constructor and Description
DwrfMetadataReader()

Method Summary

Modifier and Type	Method and Description
List<HiveBloomFilter>	readBloomFilterIndexes(InputStream inputStream)
Footer	readFooter(PostScript.HiveWriterVersion hiveWriterVersion, InputStream inputStream)
Metadata	readMetadata(PostScript.HiveWriterVersion hiveWriterVersion, InputStream inputStream)
PostScript	readPostScript(byte[] data, int offset, int length)
List<RowGroupIndex>	readRowIndexes(PostScript.HiveWriterVersion hiveWriterVersion, InputStream inputStream)
StripeFooter	readStripeFooter(List<OrcType> types, InputStream inputStream)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DwrfMetadataReader

public DwrfMetadataReader()

Method Detail

readPostScript

public PostScript readPostScript(byte[] data,
                                 int offset,
                                 int length)
                          throws IOException

Specified by:

readPostScript in interface MetadataReader

Throws:

IOException

readMetadata

public Metadata readMetadata(PostScript.HiveWriterVersion hiveWriterVersion,
                             InputStream inputStream)

Specified by:

readMetadata in interface MetadataReader

readFooter

public Footer readFooter(PostScript.HiveWriterVersion hiveWriterVersion,
                         InputStream inputStream)
                  throws IOException

Specified by:

readFooter in interface MetadataReader

Throws:

IOException

readStripeFooter

public StripeFooter readStripeFooter(List<OrcType> types,
                                     InputStream inputStream)
                              throws IOException

Specified by:

readStripeFooter in interface MetadataReader

Throws:

IOException

readRowIndexes

public List<RowGroupIndex> readRowIndexes(PostScript.HiveWriterVersion hiveWriterVersion,
                                          InputStream inputStream)
                                   throws IOException

Specified by:

readRowIndexes in interface MetadataReader

Throws:

IOException

readBloomFilterIndexes

public List<HiveBloomFilter> readBloomFilterIndexes(InputStream inputStream)

Specified by:

readBloomFilterIndexes in interface MetadataReader