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java.lang.Object org.pentaho.di.trans.step.BaseStepMeta org.pentaho.di.trans.steps.groupby.GroupByMeta
public class GroupByMeta
Created on 02-jun-2003
Field Summary | |
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static int |
TYPE_GROUP_AVERAGE
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static int |
TYPE_GROUP_CONCAT_COMMA
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static int |
TYPE_GROUP_CONCAT_STRING
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static int |
TYPE_GROUP_COUNT_ALL
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static int |
TYPE_GROUP_COUNT_DISTINCT
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static int |
TYPE_GROUP_CUMULATIVE_AVERAGE
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static int |
TYPE_GROUP_CUMULATIVE_SUM
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static int |
TYPE_GROUP_FIRST
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static int |
TYPE_GROUP_FIRST_INCL_NULL
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static int |
TYPE_GROUP_LAST
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static int |
TYPE_GROUP_LAST_INCL_NULL
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static int |
TYPE_GROUP_MAX
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static int |
TYPE_GROUP_MIN
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static int |
TYPE_GROUP_NONE
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static int |
TYPE_GROUP_STANDARD_DEVIATION
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static int |
TYPE_GROUP_SUM
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static String[] |
typeGroupCode
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static String[] |
typeGroupLongDesc
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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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GroupByMeta()
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Method Summary | |
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void |
allocate(int sizegroup,
int nrfields)
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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. |
Object |
clone()
Make an exact copy of this step, make sure to explicitly copy Collections etc. |
String[] |
getAggregateField()
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String |
getAggregateIgnoredField()
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int[] |
getAggregateType()
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String |
getDirectory()
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void |
getFields(RowMetaInterface r,
String origin,
RowMetaInterface[] info,
StepMeta nextStep,
VariableSpace space)
Gets the fields. |
String[] |
getGroupField()
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String |
getLineNrInGroupField()
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String |
getPrefix()
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StepInterface |
getStep(StepMeta stepMeta,
StepDataInterface stepDataInterface,
int cnr,
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[] |
getSubjectField()
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static int |
getType(String desc)
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static String |
getTypeDesc(int i)
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static String |
getTypeDescLong(int i)
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String[] |
getValueField()
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String |
getXML()
Produces the XML string that describes this step's information. |
boolean |
isAddingLineNrInGroup()
|
boolean |
isAggregateIgnored()
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boolean |
isAlwaysGivingBackOneRow()
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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 |
boolean |
passAllRows()
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void |
readRep(Repository rep,
ObjectId id_step,
List<DatabaseMeta> databases,
Map<String,Counter> counters)
Read the steps information from a Kettle repository |
void |
saveRep(Repository rep,
ObjectId id_transformation,
ObjectId id_step)
Save the steps data into a Kettle repository |
void |
setAddingLineNrInGroup(boolean addingLineNrInGroup)
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void |
setAggregateField(String[] aggregateField)
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void |
setAggregateIgnored(boolean aggregateIgnored)
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void |
setAggregateIgnoredField(String aggregateIgnoredField)
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void |
setAggregateType(int[] aggregateType)
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void |
setAlwaysGivingBackOneRow(boolean alwaysGivingBackOneRow)
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void |
setDefault()
Set default values |
void |
setDirectory(String directory)
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void |
setGroupField(String[] groupField)
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void |
setLineNrInGroupField(String lineNrInGroupField)
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void |
setPassAllRows(boolean passAllRows)
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void |
setPrefix(String prefix)
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void |
setSubjectField(String[] subjectField)
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void |
setValueField(String[] valueField)
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Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int TYPE_GROUP_NONE
public static final int TYPE_GROUP_SUM
public static final int TYPE_GROUP_AVERAGE
public static final int TYPE_GROUP_MIN
public static final int TYPE_GROUP_MAX
public static final int TYPE_GROUP_COUNT_ALL
public static final int TYPE_GROUP_CONCAT_COMMA
public static final int TYPE_GROUP_FIRST
public static final int TYPE_GROUP_LAST
public static final int TYPE_GROUP_FIRST_INCL_NULL
public static final int TYPE_GROUP_LAST_INCL_NULL
public static final int TYPE_GROUP_CUMULATIVE_SUM
public static final int TYPE_GROUP_CUMULATIVE_AVERAGE
public static final int TYPE_GROUP_STANDARD_DEVIATION
public static final int TYPE_GROUP_CONCAT_STRING
public static final int TYPE_GROUP_COUNT_DISTINCT
public static final String[] typeGroupCode
public static final String[] typeGroupLongDesc
Constructor Detail |
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public GroupByMeta()
Method Detail |
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public String[] getAggregateField()
public void setAggregateField(String[] aggregateField)
aggregateField
- The aggregateField to set.public boolean isAggregateIgnored()
public void setAggregateIgnored(boolean aggregateIgnored)
aggregateIgnored
- The aggregateIgnored to set.public String getAggregateIgnoredField()
public void setAggregateIgnoredField(String aggregateIgnoredField)
aggregateIgnoredField
- The aggregateIgnoredField to set.public int[] getAggregateType()
public void setAggregateType(int[] aggregateType)
aggregateType
- The aggregateType to set.public String[] getGroupField()
public void setGroupField(String[] groupField)
groupField
- The groupField to set.public boolean passAllRows()
public void setPassAllRows(boolean passAllRows)
passAllRows
- The passAllRows to set.public String[] getSubjectField()
public void setSubjectField(String[] subjectField)
subjectField
- The subjectField to set.public String[] getValueField()
public void setValueField(String[] valueField)
separatorField
- The valueField to set.public 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 void allocate(int sizegroup, int nrfields)
public Object clone()
StepMetaInterface
clone
in interface StepMetaInterface
clone
in class BaseStepMeta
public static final int getType(String desc)
public static final String getTypeDesc(int i)
public static final String getTypeDescLong(int i)
public void setDefault()
StepMetaInterface
setDefault
in interface StepMetaInterface
public void getFields(RowMetaInterface r, String origin, RowMetaInterface[] info, StepMeta nextStep, VariableSpace space)
BaseStepMeta
getFields
in interface StepMetaInterface
getFields
in class BaseStepMeta
r
- the input row metaorigin
- the nameinfo
- the infonextStep
- the next stepspace
- the spacepublic String getXML()
BaseStepMeta
getXML
in interface StepMetaInterface
getXML
in class BaseStepMeta
public void readRep(Repository rep, ObjectId id_step, List<DatabaseMeta> databases, Map<String,Counter> counters) throws KettleException
StepMetaInterface
readRep
in interface StepMetaInterface
rep
- The repository to read fromid_step
- 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 id_transformation, ObjectId id_step) throws KettleException
StepMetaInterface
saveRep
in interface StepMetaInterface
rep
- The Kettle repository to save toid_transformation
- The transformation IDid_step
- The step ID
KettleException
- When an unexpected error occurred (database, network, etc)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 StepInterface getStep(StepMeta stepMeta, StepDataInterface stepDataInterface, int cnr, 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.cnr
- The copy nr to gettransMeta
- The transformation infotrans
- The launching transformationpublic StepDataInterface getStepData()
StepMetaInterface
getStepData
in interface StepMetaInterface
public String getDirectory()
public void setDirectory(String directory)
directory
- The directory to set.public String getPrefix()
public void setPrefix(String prefix)
prefix
- The prefix to set.public boolean isAddingLineNrInGroup()
public void setAddingLineNrInGroup(boolean addingLineNrInGroup)
addingLineNrInGroup
- the addingLineNrInGroup to setpublic String getLineNrInGroupField()
public void setLineNrInGroupField(String lineNrInGroupField)
lineNrInGroupField
- the lineNrInGroupField to setpublic boolean isAlwaysGivingBackOneRow()
public void setAlwaysGivingBackOneRow(boolean alwaysGivingBackOneRow)
alwaysGivingBackOneRow
- the alwaysGivingBackOneRow to set
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