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java.lang.Object org.pentaho.di.trans.step.BaseStep org.pentaho.di.trans.steps.combinationlookup.CombinationLookup
public class CombinationLookup
Manages or looks up information in a Type 1 or junk dimension.
1) Lookup combination field1..n in a dimension
2) If this combination exists, return technical key
3) If this combination doesn't exist, insert & return technical key
4) if replace is Y, remove all key fields from output.
Field Summary |
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Fields inherited from class org.pentaho.di.trans.step.BaseStep |
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first, linesInput, linesOutput, linesRead, linesRejected, linesSkipped, linesUpdated, linesWritten, terminator, terminator_rows |
Constructor Summary | |
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CombinationLookup(StepMeta stepMeta,
StepDataInterface stepDataInterface,
int copyNr,
TransMeta transMeta,
Trans trans)
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Method Summary | |
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Long |
combiInsert(RowMetaInterface rowMeta,
Object[] row,
Long val_key,
Long val_crc)
This inserts new record into a junk dimension |
void |
dispose(StepMetaInterface smi,
StepDataInterface sdi)
Dispose of this step: close files, empty logs, etc. |
boolean |
init(StepMetaInterface sii,
StepDataInterface sdi)
Initialize and do work where other steps need to wait for... |
boolean |
processRow(StepMetaInterface smi,
StepDataInterface sdi)
Perform the equivalent of processing one row. |
void |
setCombiLookup(RowMetaInterface inputRowMeta)
CombinationLookup table: dimension table keys[]: which dim-fields do we use to look up key? retval: name of the key to return |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.pentaho.di.core.variables.VariableSpace |
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copyVariablesFrom, environmentSubstitute, environmentSubstitute, getBooleanValueOfVariable, getParentVariableSpace, getVariable, getVariable, initializeVariablesFrom, injectVariables, listVariables, setParentVariableSpace, setVariable, shareVariablesWith |
Constructor Detail |
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public CombinationLookup(StepMeta stepMeta, StepDataInterface stepDataInterface, int copyNr, TransMeta transMeta, Trans trans)
Method Detail |
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public boolean processRow(StepMetaInterface smi, StepDataInterface sdi) throws KettleException
StepInterface
processRow
in interface StepInterface
processRow
in class BaseStep
smi
- The steps metadata to work withsdi
- The steps temporary working data to work with (database connections, result sets, caches, temporary variables, etc.)
KettleException
public void setCombiLookup(RowMetaInterface inputRowMeta) throws KettleDatabaseException
KettleDatabaseException
public Long combiInsert(RowMetaInterface rowMeta, Object[] row, Long val_key, Long val_crc) throws KettleDatabaseException
KettleDatabaseException
public boolean init(StepMetaInterface sii, StepDataInterface sdi)
StepInterface
init
in interface StepInterface
init
in class BaseStep
sii
- The metadata to work withsdi
- The data to initializepublic void dispose(StepMetaInterface smi, StepDataInterface sdi)
StepInterface
dispose
in interface StepInterface
dispose
in class BaseStep
smi
- The metadata to work withsdi
- The data to dispose of
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