com.rapidminer.operator.io
Class AbstractExampleSource

java.lang.Object
  com.rapidminer.tools.AbstractObservable<Operator>
      com.rapidminer.operator.Operator
          com.rapidminer.operator.io.AbstractReader<ExampleSet>
              com.rapidminer.operator.io.AbstractExampleSource

All Implemented Interfaces:

ConfigurationListener, PreviewListener, ResourceConsumer, ParameterHandler, LoggingHandler, Observable<Operator>

Direct Known Subclasses:

AbstractDataReader, AbstractDataResultSetReader, BytewiseExampleSource, C45ExampleSource, CachedDatabaseExampleSource, ChurnReductionExampleSetGenerator, DatabaseDataReader, DirectMailingExampleSetGenerator, ExampleSetGenerator, ExampleSource, MassiveDataGenerator, MultipleLabelGenerator, NominalExampleSetGenerator, ResultSetExampleSource, SalesExampleSetGenerator, SimpleExampleSource, SparseFormatExampleSource, TeamProfitExampleSetGenerator, TransactionClustersExampleSetGenerator, TransfersExampleSetGenerator, UpSellingExampleSetGenerator, URLExampleSource, XrffExampleSource

public abstract class AbstractExampleSource
extends AbstractReader<ExampleSet>

Super class of all operators requiring no input and creating an ExampleSet.

Author:

Simon Fischer

Nested Class Summary

Nested classes/interfaces inherited from class com.rapidminer.operator.io.AbstractReader

AbstractReader.ReaderDescription

Constructor Summary

AbstractExampleSource(OperatorDescription description)

Method Summary

abstract ExampleSet	createExampleSet() Creates (or reads) the ExampleSet that will be returned by Operator.apply().
MetaData	getGeneratedMetaData()
ExampleSet	read() Creates (or reads) the ExampleSet that will be returned by Operator.apply().

Methods inherited from class com.rapidminer.operator.io.AbstractReader

addAnnotations, canMakeReaderFor, createReader, doWork, getFileParameterForOperator, getParameterTypes, isMetaDataCacheable, registerOperator, registerReaderDescription, supportsEncoding

Methods inherited from class com.rapidminer.operator.Operator

acceptsInput, addError, addError, addValue, addWarning, apply, apply, assumePreconditionsSatisfied, checkAll, checkAllExcludingMetaData, checkDeprecations, checkForStop, checkIO, checkProperties, clear, clearErrorList, cloneOperator, collectErrors, createExperimentTree, createExperimentTree, createFromXML, createFromXML, createFromXML, createMarkedExperimentTree, createMarkedProcessTree, createProcessTree, createProcessTree, disconnectPorts, execute, fireUpdate, freeMemory, getAddOnlyAdditionalOutput, getApplyCount, getCompatibilityLevel, getDeliveredOutputClasses, getDeprecationInfo, getDesiredInputClasses, getDOMRepresentation, getEncoding, getErrorList, getExecutionUnit, getExperiment, getIncompatibleVersionChanges, getInput, getInput, getInput, getInputClasses, getInputDescription, getInputPorts, getIODescription, getLog, getLogger, getName, getNumberOfBreakpoints, getOperatorClassName, getOperatorDescription, getOutputClasses, getOutputPorts, getParameter, getParameterAsBoolean, getParameterAsChar, getParameterAsColor, getParameterAsDouble, getParameterAsFile, getParameterAsFile, getParameterAsInputStream, getParameterAsInt, getParameterAsMatrix, getParameterAsRepositoryLocation, getParameterAsString, getParameterHandler, getParameterList, getParameters, getParameterTupel, getParameterType, getParent, getPortOwner, getProcess, getResourceConsumptionEstimator, getRoot, getStartTime, getTransformer, getUserDescription, getValue, getValues, getXML, getXML, getXML, hasBreakpoint, hasBreakpoint, hasInput, inApplyLoop, isDebugMode, isDirty, isEnabled, isExpanded, isParallel, isParameterSet, isRunning, log, log, logError, logNote, logWarning, lookupOperator, makeDirty, makeDirtyOnUpdate, notifyRenaming, performAdditionalChecks, preAutoWire, processFinished, processStarts, producesOutput, propagateDirtyness, register, remove, removeAndKeepConnections, rename, resume, setBreakpoint, setCompatibilityLevel, setEnabled, setEnclosingProcess, setExpanded, setInput, setListParameter, setPairParameter, setParameter, setParameters, setUserDescription, shouldAutoConnect, shouldAutoConnect, shouldStopStandaloneExecution, toString, transformMetaData, unregisterOperator, updateExecutionOrder, walk, writeXML, writeXML

Methods inherited from class com.rapidminer.tools.AbstractObservable

addObserver, addObserverAsFirst, fireUpdate, removeObserver

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractExampleSource

public AbstractExampleSource(OperatorDescription description)

Method Detail

getGeneratedMetaData

public MetaData getGeneratedMetaData()
                              throws OperatorException

Overrides:

getGeneratedMetaData in class AbstractReader<ExampleSet>

Throws:

OperatorException

createExampleSet

public abstract ExampleSet createExampleSet()
                                     throws OperatorException

Creates (or reads) the ExampleSet that will be returned by Operator.apply().

Throws:

OperatorException

read

public ExampleSet read()
                throws OperatorException

Description copied from class: AbstractReader

Creates (or reads) the ExampleSet that will be returned by Operator.apply().

Specified by:

read in class AbstractReader<ExampleSet>

Throws:

OperatorException