org.apache.drill.exec.store.mapr

Class TableFormatMatcher

java.lang.Object

org.apache.drill.exec.store.dfs.FormatMatcher

org.apache.drill.exec.store.mapr.TableFormatMatcher

Direct Known Subclasses:

MapRDBFormatMatcher, StreamsFormatMatcher

public abstract class TableFormatMatcher
extends FormatMatcher

Field Summary

Fields inherited from class org.apache.drill.exec.store.dfs.FormatMatcher

HIGH_PRIORITY, MEDIUM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
TableFormatMatcher(TableFormatPlugin plugin)

Method Summary

Modifier and Type	Method and Description
TableFormatPlugin	getFormatPlugin()
boolean	isFileReadable(DrillFileSystem fs, org.apache.hadoop.fs.FileStatus status)
DrillTable	isReadable(DrillFileSystem fs, FileSelection selection, FileSystemPlugin fsPlugin, String storageEngineName, SchemaConfig schemaConfig)
protected abstract boolean	isSupportedTable(com.mapr.fs.MapRFileStatus status) Returns true if the path pointed by the MapRFileStatus is a supported table by this format plugin.
boolean	supportDirectoryReads()

Methods inherited from class org.apache.drill.exec.store.dfs.FormatMatcher

getFormatLocationTransformer, priority

Methods inherited from class java.lang.Object

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

Constructor Detail

TableFormatMatcher

public TableFormatMatcher(TableFormatPlugin plugin)

Method Detail

supportDirectoryReads

public boolean supportDirectoryReads()

Specified by:

supportDirectoryReads in class FormatMatcher

isReadable

public DrillTable isReadable(DrillFileSystem fs,
                             FileSelection selection,
                             FileSystemPlugin fsPlugin,
                             String storageEngineName,
                             SchemaConfig schemaConfig)
                      throws IOException

Specified by:

isReadable in class FormatMatcher

Throws:

IOException

isFileReadable

public boolean isFileReadable(DrillFileSystem fs,
                              org.apache.hadoop.fs.FileStatus status)
                       throws IOException

Specified by:

isFileReadable in class FormatMatcher

Throws:

IOException

getFormatPlugin

public TableFormatPlugin getFormatPlugin()

Specified by:

getFormatPlugin in class FormatMatcher

isSupportedTable

protected abstract boolean isSupportedTable(com.mapr.fs.MapRFileStatus status)
                                     throws IOException

Returns true if the path pointed by the MapRFileStatus is a supported table by this format plugin. The path must point to a MapR table.

Throws:

IOException