com.northconcepts.datapipeline.foundations.pipeline.action.transform.SelectArrangeFieldsAction

All Implemented Interfaces:: DataExceptionContributor, JsonSerializable, RecordSerializable, XmlSerializable, DataReaderAction, SqlSelectGenerator, JavaCodeGenerator, Serializable

public class SelectArrangeFieldsAction extends PipelineAction

A PipelineAction that keeps only the selected fields, in the order they were added, like an SQL SELECT.

See Also:

Field Summary

Fields inherited from class com.northconcepts.datapipeline.foundations.core.FoundationObject
internalId, internalName, log, TIMESTAMP_FORMAT

Fields inherited from interface com.northconcepts.datapipeline.core.RecordSerializable
SERIALIZED_CLASS_NAME, TYPE

Fields inherited from interface com.northconcepts.datapipeline.core.XmlSerializable
XML_SERIALIZED_CLASS_NAME
Constructor Summary

Constructors

Constructor

Description

SelectArrangeFieldsAction()
Method Summary

Modifier and Type

Method

Description

SelectArrangeFieldsAction

add(String... fields)

DataReader

apply(DataReader reader)

Returns a reader that applies this action to the records of the given reader, usually by wrapping it.

SelectArrangeFieldsAction

fromRecord(Record source)

Loads this instance's state from a record and returns this (for fluid API call chaining).

SelectArrangeFieldsAction

fromXmlElement(Element element)

void

generateJavaCode(JavaCodeBuilder code)

Appends Java source code representing this object to the given builder.

Select

generateSqlSelect(QuerySource... querySources)

Generates a SQL SELECT statement from the given query sources.

Set<String>

getFields()

SelectArrangeFieldsAction

setFields(Set<String> fields)

Record

toRecord()

Converts this object's state to a record that RecordSerializable.fromRecord(Record) can load.

Element

toXmlElement(Document document)

Returns an element, created with document, describing this object; the default implementation throws a DataException.

Methods inherited from class com.northconcepts.datapipeline.foundations.pipeline.action.PipelineAction
escapeJavaString, getCode, getDescription, getDisplayText, getPipeline, setDescription, setPipeline, toString

Methods inherited from class com.northconcepts.datapipeline.foundations.core.FoundationObject
addExceptionProperties, assertValid, assertValid, clone, exception, exception, exception, getInternalId, getInternalName, resetInternalId

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.northconcepts.datapipeline.core.DataExceptionContributor
addExceptionProperties

Methods inherited from interface com.northconcepts.datapipeline.core.RecordSerializable
fromJson, fromJson, toJson, toJson, toJson

Methods inherited from interface com.northconcepts.datapipeline.core.XmlSerializable
fromXml, fromXml, toXml, toXml, toXml, toXml, toXml

Constructor Details
- SelectArrangeFieldsAction
  
  public SelectArrangeFieldsAction()
Method Details
- getFields
  
  public Set<String> getFields()
- setFields
  
  public SelectArrangeFieldsAction setFields(Set<String> fields)
- add
  
  public SelectArrangeFieldsAction add(String... fields)
- apply
  
  public DataReader apply(DataReader reader)
  
  Description copied from interface: DataReaderAction
  
  Returns a reader that applies this action to the records of the given reader, usually by wrapping it.
- generateSqlSelect
  
  public Select generateSqlSelect(QuerySource... querySources)
  
  Description copied from interface: SqlSelectGenerator
  
  Generates a SQL SELECT statement from the given query sources.
  
  Parameters:
  
  querySources - the sources to include in the SELECT statement
  
  Returns:
  
  a Select object representing the generated SQL statement
- toRecord
  
  public Record toRecord()
  
  Description copied from interface: RecordSerializable
  
  Converts this object's state to a record that RecordSerializable.fromRecord(Record) can load.
  
  Specified by:
  
  toRecord in interface RecordSerializable
  
  Overrides:
  
  toRecord in class PipelineAction
- fromRecord
  
  public SelectArrangeFieldsAction fromRecord(Record source)
  
  Description copied from interface: RecordSerializable
  
  Loads this instance's state from a record and returns this (for fluid API call chaining). For fluid API call chaining, the overridden method should change the declared return type to its class.
  
  Specified by:
  
  fromRecord in interface RecordSerializable
  
  Overrides:
  
  fromRecord in class PipelineAction
  
  Parameters:
  
  source -
  
  Returns:
  
  this instance.
- toXmlElement
  
  public Element toXmlElement(Document document)
  
  Description copied from interface: XmlSerializable
  
  Returns an element, created with document, describing this object; the default implementation throws a DataException.
  
  Specified by:
  
  toXmlElement in interface XmlSerializable
  
  Overrides:
  
  toXmlElement in class PipelineAction
- fromXmlElement
  
  public SelectArrangeFieldsAction fromXmlElement(Element element)
  
  Specified by:
  
  fromXmlElement in interface XmlSerializable
  
  Overrides:
  
  fromXmlElement in class PipelineAction
- generateJavaCode
  
  public void generateJavaCode(JavaCodeBuilder code)
  
  Description copied from interface: JavaCodeGenerator
  
  Appends Java source code representing this object to the given builder.
  
  Specified by:
  
  generateJavaCode in interface JavaCodeGenerator
  
  Overrides:
  
  generateJavaCode in class PipelineAction

Class SelectArrangeFieldsAction

Field Summary

Fields inherited from class com.northconcepts.datapipeline.foundations.core.FoundationObject

Fields inherited from interface com.northconcepts.datapipeline.core.RecordSerializable

Fields inherited from interface com.northconcepts.datapipeline.core.XmlSerializable

Constructor Summary

Method Summary

Methods inherited from class com.northconcepts.datapipeline.foundations.pipeline.action.PipelineAction

Methods inherited from class com.northconcepts.datapipeline.foundations.core.FoundationObject

Methods inherited from class java.lang.Object

Methods inherited from interface com.northconcepts.datapipeline.core.DataExceptionContributor

Methods inherited from interface com.northconcepts.datapipeline.core.RecordSerializable

Methods inherited from interface com.northconcepts.datapipeline.core.XmlSerializable

Constructor Details

SelectArrangeFieldsAction

Method Details

getFields

setFields

add

apply

generateSqlSelect

toRecord

fromRecord

toXmlElement

fromXmlElement

generateJavaCode