Package gov.nasa.pds.harvest.util.xml

Class XPathCache

java.lang.Object

gov.nasa.pds.harvest.util.xml.XPathCache

public class XPathCache
extends Object

XPath cache is used to map a field in a PDS4 label (by its XPath) to a registry field name. This is a legacy feature which might be removed in future releases.

Author:

karpenko

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	XPathCache.Item	Inner class representing one cache record / item.

Constructor Summary

Constructors

Constructor	Description
XPathCache()	Constructor.

Method Summary

Modifier and Type	Method	Description
void	add(String fieldName, String dataType, XPathExpression xpe)	Get an item to the cache.
List<XPathCache.Item>	getItems()	Get all cached items.
boolean	isEmpty()	Check if cache is empty.

Methods inherited from class java.lang.Object

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

Constructor Details

XPathCache

public XPathCache()

Constructor.

Method Details

isEmpty

public boolean isEmpty()

Check if cache is empty.

Returns:

check if cache is empty

add

public void add(String fieldName,
 String dataType,
 XPathExpression xpe)

Get an item to the cache.

Parameters:

fieldName - Field name

dataType - data type

xpe - an XPath

getItems

public List<XPathCache.Item> getItems()

Get all cached items.

Returns:

All cached items