org.apache.oodt.cas.filemgr.structs.type
Class ValueReplaceTypeHandler

java.lang.Object
  org.apache.oodt.cas.filemgr.structs.type.TypeHandler
      org.apache.oodt.cas.filemgr.structs.type.ValueReplaceTypeHandler

Direct Known Subclasses:

MajorMinorVersionTypeHandler

public abstract class ValueReplaceTypeHandler
extends TypeHandler

A Subset-TypeHandler which only allows for metadata value modification. It will automatically detected and replace the metadata values for the metadata element which it is responsible for. All the developer needs to supply is the convertion method between the original value and the Catalog value

Version:

$Revision: 11462 $

Author:

bfoster

Field Summary

Fields inherited from class org.apache.oodt.cas.filemgr.structs.type.TypeHandler

elementName

Constructor Summary

ValueReplaceTypeHandler()

Method Summary

protected abstract String	getCatalogValue(String origValue) Converts the metadata element, for this TypeHandler, value to the Catalog value
protected abstract String	getOrigValue(String databaseValue) Converts the metadata element, for this TypeHandler, value from the Catalog value to the original value
protected QueryCriteria	handleRangeQueryCriteria(RangeQueryCriteria rqc) Converts the given RangeQueryCriteria into a QueryCriteria with the necessary Catalog elements and values to perform the query
protected QueryCriteria	handleTermQueryCriteria(TermQueryCriteria tqc) Converts the given TermQueryCriteria into a QueryCriteria with the necessary Catalog elements and values to perform the query
void	postGetMetadataHandle(org.apache.oodt.cas.metadata.Metadata metadata) Handles converting any Catalog metadata element values to their original values.
void	preAddMetadataHandle(org.apache.oodt.cas.metadata.Metadata metadata) Handles converting any metadata element to Catalog element values.

Methods inherited from class org.apache.oodt.cas.filemgr.structs.type.TypeHandler

getElementName, preQueryHandle, setElementName

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueReplaceTypeHandler

public ValueReplaceTypeHandler()

Method Detail

postGetMetadataHandle

public void postGetMetadataHandle(org.apache.oodt.cas.metadata.Metadata metadata)

Handles converting any Catalog metadata element values to their original values. Metadata elements can be added, modified, or replaced.

Specified by:

postGetMetadataHandle in class TypeHandler

Parameters:

metadata - The Catalog Metadata

preAddMetadataHandle

public void preAddMetadataHandle(org.apache.oodt.cas.metadata.Metadata metadata)

Handles converting any metadata element to Catalog element values. Metadata elements can be added, modified, or replaced.

Specified by:

preAddMetadataHandle in class TypeHandler

Parameters:

metadata - The Original Metadata

handleRangeQueryCriteria

protected QueryCriteria handleRangeQueryCriteria(RangeQueryCriteria rqc)

Converts the given RangeQueryCriteria into a QueryCriteria with the necessary Catalog elements and values to perform the query

Specified by:

handleRangeQueryCriteria in class TypeHandler

Returns:

handleTermQueryCriteria

protected QueryCriteria handleTermQueryCriteria(TermQueryCriteria tqc)

Converts the given TermQueryCriteria into a QueryCriteria with the necessary Catalog elements and values to perform the query

Specified by:

handleTermQueryCriteria in class TypeHandler

Returns:

getCatalogValue

protected abstract String getCatalogValue(String origValue)

Converts the metadata element, for this TypeHandler, value to the Catalog value

Parameters:

origValue - The value for the element which this TypeHandler is responsible for

Returns:

The Catalog value

getOrigValue

protected abstract String getOrigValue(String databaseValue)

Converts the metadata element, for this TypeHandler, value from the Catalog value to the original value

Parameters:

origValue - The value for the element which this TypeHandler is responsible for

Returns:

The original value