Class StreamLookupMeta

java.lang.Object
org.pentaho.di.trans.step.BaseStepMeta
org.pentaho.di.trans.steps.streamlookup.StreamLookupMeta
All Implemented Interfaces:
Cloneable, StepAttributesInterface, StepMetaInterface

public class StreamLookupMeta extends BaseStepMeta implements StepMetaInterface
  • Constructor Details

    • StreamLookupMeta

      public StreamLookupMeta()
  • Method Details

    • loadXML

      public void loadXML(Node stepnode, List<org.pentaho.di.core.database.DatabaseMeta> databases, org.pentaho.metastore.api.IMetaStore metaStore) throws org.pentaho.di.core.exception.KettleXMLException
      Description copied from interface: StepMetaInterface
      Load the values for this step from an XML Node
      Specified by:
      loadXML in interface StepMetaInterface
      Overrides:
      loadXML in class BaseStepMeta
      Parameters:
      stepnode - the Node to get the info from
      databases - The available list of databases to reference to
      metaStore - the metastore to optionally load external reference metadata from
      Throws:
      org.pentaho.di.core.exception.KettleXMLException - When an unexpected XML error occurred. (malformed etc.)
    • allocate

      public void allocate(int nrkeys, int nrvalues)
    • clone

      public Object clone()
      Description copied from interface: StepMetaInterface
      Make an exact copy of this step, make sure to explicitly copy Collections etc.
      Specified by:
      clone in interface StepMetaInterface
      Overrides:
      clone in class BaseStepMeta
      Returns:
      an exact copy of this step
    • searchInfoAndTargetSteps

      public void searchInfoAndTargetSteps(List<StepMeta> steps)
      Description copied from class: BaseStepMeta
      Change step names into step objects to allow them to be name-changed etc.
      Specified by:
      searchInfoAndTargetSteps in interface StepMetaInterface
      Overrides:
      searchInfoAndTargetSteps in class BaseStepMeta
      Parameters:
      steps - the steps to reference
    • setDefault

      public void setDefault()
      Description copied from interface: StepMetaInterface
      Set default values
      Specified by:
      setDefault in interface StepMetaInterface
    • getFields

      public void getFields(org.pentaho.di.core.row.RowMetaInterface row, String origin, org.pentaho.di.core.row.RowMetaInterface[] info, StepMeta nextStep, org.pentaho.di.core.variables.VariableSpace space, Repository repository, org.pentaho.metastore.api.IMetaStore metaStore) throws org.pentaho.di.core.exception.KettleStepException
      Description copied from class: BaseStepMeta
      Gets the fields.
      Specified by:
      getFields in interface StepMetaInterface
      Overrides:
      getFields in class BaseStepMeta
      Parameters:
      row - the input row meta that is modified in this method to reflect the output row metadata of the step
      origin - Name of the step to use as input for the origin field in the values
      info - Fields used as extra lookup information
      nextStep - the next step that is targeted
      space - the space The variable space to use to replace variables
      repository - the repository to use to load Kettle metadata objects impacting the output fields
      metaStore - the MetaStore to use to load additional external data or metadata impacting the output fields
      Throws:
      org.pentaho.di.core.exception.KettleStepException - the kettle step exception
    • getXML

      public String getXML()
      Description copied from class: BaseStepMeta
      Produces the XML string that describes this step's information.
      Specified by:
      getXML in interface StepMetaInterface
      Overrides:
      getXML in class BaseStepMeta
      Returns:
      String containing the XML describing this step.
    • readRep

      public void readRep(Repository rep, org.pentaho.metastore.api.IMetaStore metaStore, org.pentaho.di.repository.ObjectId id_step, List<org.pentaho.di.core.database.DatabaseMeta> databases) throws org.pentaho.di.core.exception.KettleException
      Description copied from interface: StepMetaInterface
      Read the steps information from a Kettle repository
      Specified by:
      readRep in interface StepMetaInterface
      Overrides:
      readRep in class BaseStepMeta
      Parameters:
      rep - The repository to read from
      metaStore - The MetaStore to read external information from
      id_step - The step ID
      databases - The databases to reference
      Throws:
      org.pentaho.di.core.exception.KettleException - When an unexpected error occurred (database, network, etc)
    • saveRep

      public void saveRep(Repository rep, org.pentaho.metastore.api.IMetaStore metaStore, org.pentaho.di.repository.ObjectId id_transformation, org.pentaho.di.repository.ObjectId id_step) throws org.pentaho.di.core.exception.KettleException
      Description copied from interface: StepMetaInterface
      Save the steps data into a Kettle repository
      Specified by:
      saveRep in interface StepMetaInterface
      Overrides:
      saveRep in class BaseStepMeta
      Parameters:
      rep - The Kettle repository to save to
      metaStore - the metaStore to optionally write to
      id_transformation - The transformation ID
      id_step - The step ID
      Throws:
      org.pentaho.di.core.exception.KettleException - When an unexpected error occurred (database, network, etc)
    • check

      public void check(List<org.pentaho.di.core.CheckResultInterface> remarks, TransMeta transMeta, StepMeta stepMeta, org.pentaho.di.core.row.RowMetaInterface prev, String[] input, String[] output, org.pentaho.di.core.row.RowMetaInterface info, org.pentaho.di.core.variables.VariableSpace space, Repository repository, org.pentaho.metastore.api.IMetaStore metaStore)
      Description copied from interface: StepMetaInterface
      Checks the settings of this step and puts the findings in a remarks List.
      Specified by:
      check in interface StepMetaInterface
      Overrides:
      check in class BaseStepMeta
      Parameters:
      remarks - The list to put the remarks in @see org.pentaho.di.core.CheckResult
      stepMeta - The stepMeta to help checking
      prev - The fields coming from the previous step
      input - The input step names
      output - The output step names
      info - The fields that are used as information by the step
      space - the variable space to resolve variable expressions with
      repository - the repository to use to load Kettle metadata objects impacting the output fields
      metaStore - the MetaStore to use to load additional external data or metadata impacting the output fields
    • getStep

      public StepInterface getStep(StepMeta stepMeta, StepDataInterface stepDataInterface, int cnr, TransMeta transMeta, Trans trans)
      Description copied from interface: StepMetaInterface
      Get the executing step, needed by Trans to launch a step.
      Specified by:
      getStep in interface StepMetaInterface
      Parameters:
      stepMeta - The step info
      stepDataInterface - the step data interface linked to this step. Here the step can store temporary data, database connections, etc.
      cnr - The copy nr to get
      transMeta - The transformation info
      trans - The launching transformation
    • getStepData

      public StepDataInterface getStepData()
      Description copied from interface: StepMetaInterface
      Get a new instance of the appropriate data class. This data class implements the StepDataInterface. It basically contains the persisting data that needs to live on, even if a worker thread is terminated.
      Specified by:
      getStepData in interface StepMetaInterface
      Returns:
      The appropriate StepDataInterface class.
    • excludeFromRowLayoutVerification

      public boolean excludeFromRowLayoutVerification()
      Description copied from class: BaseStepMeta
      This method is added to exclude certain steps from layout checking.
      Specified by:
      excludeFromRowLayoutVerification in interface StepMetaInterface
      Overrides:
      excludeFromRowLayoutVerification in class BaseStepMeta
    • getStepIOMeta

      public StepIOMetaInterface getStepIOMeta()
      Returns the Input/Output metadata for this step. The generator step only produces output, does not accept input!
      Specified by:
      getStepIOMeta in interface StepMetaInterface
      Overrides:
      getStepIOMeta in class BaseStepMeta
    • resetStepIoMeta

      public void resetStepIoMeta()
      Description copied from class: BaseStepMeta
      Reset step io meta.
      Specified by:
      resetStepIoMeta in interface StepMetaInterface
      Overrides:
      resetStepIoMeta in class BaseStepMeta
    • isInputSorted

      public boolean isInputSorted()
      Returns:
      Returns the inputSorted.
    • setInputSorted

      public void setInputSorted(boolean inputSorted)
      Parameters:
      inputSorted - The inputSorted to set.
    • getKeylookup

      public String[] getKeylookup()
      Returns:
      Returns the keylookup.
    • setKeylookup

      public void setKeylookup(String[] keylookup)
      Parameters:
      keylookup - The keylookup to set.
    • getKeystream

      public String[] getKeystream()
      Returns:
      Returns the keystream.
    • setKeystream

      public void setKeystream(String[] keystream)
      Parameters:
      keystream - The keystream to set.
    • getValue

      public String[] getValue()
      Returns:
      Returns the value.
    • setValue

      public void setValue(String[] value)
      Parameters:
      value - The value to set.
    • getValueDefault

      public String[] getValueDefault()
      Returns:
      Returns the valueDefault.
    • setValueDefault

      public void setValueDefault(String[] valueDefault)
      Parameters:
      valueDefault - The valueDefault to set.
    • getValueDefaultType

      public int[] getValueDefaultType()
      Returns:
      Returns the valueDefaultType.
    • setValueDefaultType

      public void setValueDefaultType(int[] valueDefaultType)
      Parameters:
      valueDefaultType - The valueDefaultType to set.
    • getValueName

      public String[] getValueName()
      Returns:
      Returns the valueName.
    • setValueName

      public void setValueName(String[] valueName)
      Parameters:
      valueName - The valueName to set.
    • isMemoryPreservationActive

      public boolean isMemoryPreservationActive()
    • setMemoryPreservationActive

      public void setMemoryPreservationActive(boolean memoryPreservationActive)
    • isUsingSortedList

      public boolean isUsingSortedList()
    • setUsingSortedList

      public void setUsingSortedList(boolean usingSortedList)
    • isUsingIntegerPair

      public boolean isUsingIntegerPair()
      Returns:
      the usingIntegerPair
    • setUsingIntegerPair

      public void setUsingIntegerPair(boolean usingIntegerPair)
      Parameters:
      usingIntegerPair - the usingIntegerPair to set
    • afterInjectionSynchronization

      public void afterInjectionSynchronization()
      If we use injection we can have different arrays lengths. We need synchronize them for consistency behavior with UI