Package org.apache.hop.pipeline.transforms.blockingtransform

Class BlockingTransform

java.lang.Object

org.apache.hop.pipeline.transform.BaseTransform<BlockingTransformMeta,BlockingTransformData>

org.apache.hop.pipeline.transforms.blockingtransform.BlockingTransform

All Implemented Interfaces:

IExtensionData, IHasLogChannel, ILoggingObject, IVariables, org.apache.hop.pipeline.engine.IEngineComponent, org.apache.hop.pipeline.transform.ITransform

public class BlockingTransform
extends org.apache.hop.pipeline.transform.BaseTransform<BlockingTransformMeta,BlockingTransformData>

A transform that blocks throughput until the input ends, then it will either output the last row or the complete input.

Field Summary

Fields inherited from class org.apache.hop.pipeline.transform.BaseTransform

data, deadLockCounter, executionEndDate, executionStartDate, extensionDataMap, first, firstRowReadDate, initStartDate, lastRowWrittenDate, log, meta, metadataProvider, rowListeners, safeStopped, terminator, terminatorRows, variables

Constructor Summary

Constructors

Constructor	Description
BlockingTransform(org.apache.hop.pipeline.transform.TransformMeta transformMeta, BlockingTransformMeta meta, BlockingTransformData data, int copyNr, org.apache.hop.pipeline.PipelineMeta pipelineMeta, org.apache.hop.pipeline.Pipeline pipeline)

Method Summary

Modifier and Type	Method	Description
void	dispose()
boolean	init()
boolean	processRow()

Methods inherited from class org.apache.hop.pipeline.transform.BaseTransform

addResultFile, addRowListener, addRowSetToInputRowSets, addRowSetToOutputRowSets, addTransformFinishedListener, addTransformStartedListener, batchComplete, canProcessOneRow, checkFeedback, cleanup, clearInputRowSets, clearOutputRowSets, closeQuietly, copyFrom, decrementLinesRead, decrementLinesWritten, dispatch, findInputRowSet, findInputRowSet, findOutputRowSet, findOutputRowSet, finishBundle, getContainerId, getCopy, getCopyNr, getCurrentInputRowSetNr, getCurrentOutputRowSetNr, getData, getDispatcher, getErrorRowMeta, getErrors, getExecutionDuration, getExecutionEndDate, getExecutionStartDate, getExtensionDataMap, getFilename, getFirstInputRowSet, getFirstRowReadDate, getInitStartDate, getInputBufferSize, getInputRowMeta, getInputRowSets, getLastRowWrittenDate, getLinesInput, getLinesOutput, getLinesRead, getLinesRejected, getLinesSkipped, getLinesUpdated, getLinesWritten, getLogChannel, getLogChannelId, getLogLevel, getLogText, getMeta, getMetadataProvider, getName, getObjectCopy, getObjectName, getObjectType, getOutputBufferSize, getOutputRowSets, getParent, getParentVariables, getPartitionId, getPartitionTargets, getPipeline, getPipelineMeta, getPreviewRowMeta, getProcessed, getRegistrationDate, getRepartitioning, getResultFiles, getRow, getRowFrom, getRowHandler, getRowListeners, getStatus, getStatusDescription, getTransformFinishedListeners, getTransformMeta, getTransformName, getTransformPluginId, getTransformStartedListeners, getVariable, getVariable, getVariableBoolean, getVariableNames, handleGetRowFrom, handlePutError, handlePutRowTo, identifyErrorOutput, incrementLinesInput, incrementLinesOutput, incrementLinesRead, incrementLinesRejected, incrementLinesSkipped, incrementLinesUpdated, incrementLinesWritten, initBeforeStart, initializeFrom, isAllowEmptyFieldNamesAndTypes, isBasic, isDebug, isDetailed, isDistributed, isForcingSeparateLogging, isGatheringMetrics, isInitialising, isMapping, isPartitioned, isPaused, isRowLevel, isRunning, isSafeStopped, isSelected, isStopped, logBasic, logBasic, logDebug, logDebug, logDetailed, logDetailed, logError, logError, logError, logMinimal, logMinimal, logRowlevel, logRowlevel, logSummary, markStart, markStop, outputIsDone, pauseRunning, putError, putRow, putRowTo, removeRowListener, resolve, resolve, resolve, resumeRunning, rowsetInputSize, rowsetOutputSize, safeModeChecking, safeModeChecking, setAllowEmptyFieldNamesAndTypes, setCarteObjectId, setCopy, setCopyNr, setCurrentInputRowSetNr, setCurrentOutputRowSetNr, setDistributed, setErrorRowMeta, setErrors, setExecutionEndDate, setExecutionStartDate, setFirstRowReadDate, setForcingSeparateLogging, setGatheringMetrics, setInitStartDate, setInputRowMeta, setInputRowSets, setInternalVariables, setLastRowWrittenDate, setLinesInput, setLinesOutput, setLinesRead, setLinesRejected, setLinesSkipped, setLinesUpdated, setLinesWritten, setLogLevel, setMetadataProvider, setOutputDone, setOutputRowSets, setParentVariables, setPartitioned, setPartitionId, setPartitionTargets, setPaused, setPaused, setPreviewRowMeta, setRepartitioning, setRowHandler, setRunning, setSafeStopped, setStopped, setTransformFinishedListeners, setTransformName, setTransformStartedListeners, setVariable, setVariables, shareWith, startBundle, stopAll, stopRunning, swapFirstInputRowSetIfExists, toString, waitUntilPipelineIsStarted

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hop.pipeline.transform.ITransform

subStatuses

Constructor Detail

BlockingTransform

public BlockingTransform(org.apache.hop.pipeline.transform.TransformMeta transformMeta,
                         BlockingTransformMeta meta,
                         BlockingTransformData data,
                         int copyNr,
                         org.apache.hop.pipeline.PipelineMeta pipelineMeta,
                         org.apache.hop.pipeline.Pipeline pipeline)

Method Detail

dispose

public void dispose()

Specified by:

dispose in interface org.apache.hop.pipeline.transform.ITransform

Overrides:

dispose in class org.apache.hop.pipeline.transform.BaseTransform<BlockingTransformMeta,BlockingTransformData>

init

public boolean init()

Specified by:

init in interface org.apache.hop.pipeline.transform.ITransform

Overrides:

init in class org.apache.hop.pipeline.transform.BaseTransform<BlockingTransformMeta,BlockingTransformData>

processRow

public boolean processRow()
                   throws HopException

Specified by:

processRow in interface org.apache.hop.pipeline.transform.ITransform

Overrides:

processRow in class org.apache.hop.pipeline.transform.BaseTransform<BlockingTransformMeta,BlockingTransformData>

Throws:

HopException