org.springframework.xd.analytics.ml

Class AbstractFieldMappingAwareDataMapper

java.lang.Object

org.springframework.xd.analytics.ml.AbstractFieldMappingAwareDataMapper

All Implemented Interfaces:

Mapper

public abstract class AbstractFieldMappingAwareDataMapper
extends java.lang.Object
implements Mapper

Author:

Thomas Darimont

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DEFAULT_FIELD_NAME_MAPPING_SPLIT_TOKEN

Constructor Summary

Constructors

Constructor and Description
AbstractFieldMappingAwareDataMapper() Creates a new AbstractFieldMappingAwareDataMapper with the DEFAULT_FIELD_NAME_MAPPING_SPLIT_TOKEN.
AbstractFieldMappingAwareDataMapper(java.lang.String fieldMappingEntrySplitToken) Creates a new AbstractFieldMappingAwareDataMapper with the DEFAULT_FIELD_NAME_MAPPING_SPLIT_TOKEN.

Method Summary

Methods

Modifier and Type	Method and Description
protected java.util.Map<java.lang.String,java.lang.String>	extractFieldNameMappingFrom(java.util.List<java.lang.String> fieldNameMappingPairs) Transforms the list of field name mapping pairs to a Map from a name to a new name.
java.lang.String	getFieldMappingEntrySplitToken()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_FIELD_NAME_MAPPING_SPLIT_TOKEN

public static final java.lang.String DEFAULT_FIELD_NAME_MAPPING_SPLIT_TOKEN

See Also:

Constant Field Values

Constructor Detail

AbstractFieldMappingAwareDataMapper

public AbstractFieldMappingAwareDataMapper()

Creates a new AbstractFieldMappingAwareDataMapper with the DEFAULT_FIELD_NAME_MAPPING_SPLIT_TOKEN.

AbstractFieldMappingAwareDataMapper

public AbstractFieldMappingAwareDataMapper(java.lang.String fieldMappingEntrySplitToken)

Creates a new AbstractFieldMappingAwareDataMapper with the DEFAULT_FIELD_NAME_MAPPING_SPLIT_TOKEN.

Parameters:

fieldMappingEntrySplitToken - the fieldMappingEntry must not be null.

Method Detail

extractFieldNameMappingFrom

protected java.util.Map<java.lang.String,java.lang.String> extractFieldNameMappingFrom(java.util.List<java.lang.String> fieldNameMappingPairs)

Transforms the list of field name mapping pairs to a Map from a name to a new name.

Parameters:

fieldNameMappingPairs - list of field name mapping pairs

Returns:

map of field names to values

getFieldMappingEntrySplitToken

public java.lang.String getFieldMappingEntrySplitToken()