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java.lang.Object org.pentaho.di.trans.step.BaseStepMeta org.pentaho.di.trans.steps.rules.RulesMeta
public class RulesMeta
This Transformation Step allows a user to execute a rule set against an individual rule or a collection of rules. Additional columns can be added to the output from the rules and these (of course) can be used for routing if desired.
Field Summary |
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Fields inherited from class org.pentaho.di.trans.step.BaseStepMeta |
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loggingObject, STEP_ATTRIBUTES_FILE |
Constructor Summary | |
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RulesMeta()
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Method Summary | |
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void |
check(List<CheckResultInterface> remarks,
TransMeta transMeta,
StepMeta stepMeta,
RowMetaInterface prev,
String[] input,
String[] output,
RowMetaInterface info)
Checks the settings of this step and puts the findings in a remarks List. |
String[] |
getExpectedResultList()
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void |
getFields(RowMetaInterface row,
String origin,
RowMetaInterface[] info,
StepMeta nextStep,
VariableSpace space)
Gets the fields. |
String |
getRuleDefinition()
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String |
getRuleFile()
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List<ValueMetaInterface> |
getRuleResultColumns()
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StepInterface |
getStep(StepMeta stepMeta,
StepDataInterface stepDataInterface,
int copyNr,
TransMeta transMeta,
Trans trans)
Get the executing step, needed by Trans to launch a step. |
StepDataInterface |
getStepData()
Get a new instance of the appropriate data class. |
String |
getXML()
Produces the XML string that describes this step's information. |
boolean |
isKeepInputFields()
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void |
loadXML(Node stepnode,
List<DatabaseMeta> databases,
Map<String,Counter> counters)
Load the values for this step from an XML Node |
void |
readRep(Repository rep,
ObjectId idStep,
List<DatabaseMeta> databases,
Map<String,Counter> counters)
Read the steps information from a Kettle repository |
void |
saveRep(Repository rep,
ObjectId idTransformation,
ObjectId idStep)
Save the steps data into a Kettle repository |
void |
setDefault()
Set default values |
void |
setKeepInputFields(boolean keepInputFields)
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void |
setRuleDefinition(String ruleDefinition)
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void |
setRuleFile(String ruleFile)
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void |
setRuleResultColumns(List<ValueMetaInterface> ruleResultColumns)
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Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public RulesMeta()
Method Detail |
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public List<ValueMetaInterface> getRuleResultColumns()
public void setRuleResultColumns(List<ValueMetaInterface> ruleResultColumns)
public void setRuleFile(String ruleFile)
public String getRuleFile()
public void setRuleDefinition(String ruleDefinition)
public String getRuleDefinition()
public boolean isKeepInputFields()
public void setKeepInputFields(boolean keepInputFields)
public StepInterface getStep(StepMeta stepMeta, StepDataInterface stepDataInterface, int copyNr, TransMeta transMeta, Trans trans)
StepMetaInterface
getStep
in interface StepMetaInterface
stepMeta
- The step infostepDataInterface
- the step data interface linked to this step. Here the step can store temporary data, database connections, etc.copyNr
- The copy nr to gettransMeta
- The transformation infotrans
- The launching transformationpublic StepDataInterface getStepData()
StepMetaInterface
getStepData
in interface StepMetaInterface
public void check(List<CheckResultInterface> remarks, TransMeta transMeta, StepMeta stepMeta, RowMetaInterface prev, String[] input, String[] output, RowMetaInterface info)
StepMetaInterface
check
in interface StepMetaInterface
remarks
- The list to put the remarks in @see org.pentaho.di.core.CheckResultstepMeta
- The stepMeta to help checkingprev
- The fields coming from the previous stepinput
- The input step namesoutput
- The output step namesinfo
- The fields that are used as information by the steppublic void loadXML(Node stepnode, List<DatabaseMeta> databases, Map<String,Counter> counters) throws KettleXMLException
StepMetaInterface
loadXML
in interface StepMetaInterface
stepnode
- the Node to get the info fromdatabases
- The available list of databases to reference tocounters
- Counters to reference.
KettleXMLException
- When an unexpected XML error occurred. (malformed etc.)public String getXML()
BaseStepMeta
getXML
in interface StepMetaInterface
getXML
in class BaseStepMeta
public void readRep(Repository rep, ObjectId idStep, List<DatabaseMeta> databases, Map<String,Counter> counters) throws KettleException
StepMetaInterface
readRep
in interface StepMetaInterface
rep
- The repository to read fromidStep
- The step IDdatabases
- The databases to referencecounters
- The counters to reference
KettleException
- When an unexpected error occurred (database, network, etc)public void saveRep(Repository rep, ObjectId idTransformation, ObjectId idStep) throws KettleException
StepMetaInterface
saveRep
in interface StepMetaInterface
rep
- The Kettle repository to save toidTransformation
- The transformation IDidStep
- The step ID
KettleException
- When an unexpected error occurred (database, network, etc)public void setDefault()
StepMetaInterface
setDefault
in interface StepMetaInterface
public void getFields(RowMetaInterface row, String origin, RowMetaInterface[] info, StepMeta nextStep, VariableSpace space) throws KettleStepException
BaseStepMeta
getFields
in interface StepMetaInterface
getFields
in class BaseStepMeta
row
- the input row metaorigin
- the nameinfo
- the infonextStep
- the next stepspace
- the space
KettleStepException
- the kettle step exceptionpublic String[] getExpectedResultList()
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