public class LocalHfsAdaptor extends FileAdaptorTap<java.util.Properties,java.io.InputStream,java.io.OutputStream,Configuration,RecordReader,OutputCollector>
Hfs
Tap
for use with the
LocalFlowConnector
and LocalPlanner
.
That is, "local mode" Cascading application can access data on an Apache Hadoop HDFS cluster if the proper Hadoop properties on are set on the LocalFlowConnector instance.
Use this class in order to leverage existing Scheme
implementations that wrap Hadoop
InputFormat
and OutputFormat
implementations.
configProvider, original, processProvider
CASCADING_SOURCE_PATH
Constructor and Description |
---|
LocalHfsAdaptor(Tap<Configuration,RecordReader,OutputCollector> original) |
getChildIdentifiers, getChildIdentifiers, getChildIdentifiers, getChildIdentifiers, getFileOriginal, getSize, getSize, isDirectory, isDirectory
commitResource, createResource, createResource, deleteResource, deleteResource, equals, flowConfInit, getConfigDef, getFullIdentifier, getFullIdentifier, getIdentifier, getModifiedTime, getModifiedTime, getNodeConfigDef, getOriginal, getScheme, getSinkFields, getSinkMode, getSourceFields, getStepConfigDef, getTrace, hasConfigDef, hashCode, hasNodeConfigDef, hasStepConfigDef, isKeep, isReplace, isSink, isSource, isTemporary, isUpdate, openForRead, openForRead, openForWrite, openForWrite, outgoingScopeFor, prepareResourceForRead, prepareResourceForWrite, presentSinkFields, presentSourceFields, resolveIncomingOperationArgumentFields, resolveIncomingOperationPassThroughFields, resourceExists, resourceExists, retrieveSinkFields, retrieveSourceFields, rollbackResource, setOriginal, sinkConfInit, sourceConfInit, toString
entryStream, entryStream, entryStreamCopy, entryStreamCopy, id, openForReadUnchecked, setScheme, spliterator, splititerator, taps, tupleStream, tupleStream, tupleStreamCopy, tupleStreamCopy
@ConstructorProperties(value="original") public LocalHfsAdaptor(Tap<Configuration,RecordReader,OutputCollector> original)
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