Package org.opennms.netmgt.collection.support

Class JexlIndexStorageStrategy

java.lang.Object

org.opennms.netmgt.collection.support.IndexStorageStrategy

org.opennms.netmgt.collection.support.JexlIndexStorageStrategy

All Implemented Interfaces:

StorageStrategy

Direct Known Subclasses:

ObjectNameStorageStrategy

public class JexlIndexStorageStrategy
extends IndexStorageStrategy

Author:

roskens

Field Summary

Fields

Modifier and Type	Field	Description
protected OnmsJexlEngine	jexlEngine

Fields inherited from class org.opennms.netmgt.collection.support.IndexStorageStrategy

m_storageStrategyService

Constructor Summary

Constructors

Constructor	Description
JexlIndexStorageStrategy()

Method Summary

Modifier and Type	Method	Description
String	getResourceNameFromIndex(CollectionResource resource)	This functions translate resourceIndex into a "unique" and "non-variable" name that could be identify a resource, as described earlier.
void	setParameters(List<Parameter> parameterCollection)	setParameters
void	updateContext(org.apache.commons.jexl2.JexlContext context, CollectionResource resource)

Methods inherited from class org.opennms.netmgt.collection.support.IndexStorageStrategy

getRelativePathForAttribute, getResourceTypeName, setResourceTypeName, setStorageStrategyService

Methods inherited from class java.lang.Object

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

Field Detail

jexlEngine

protected final OnmsJexlEngine jexlEngine

Constructor Detail

JexlIndexStorageStrategy

public JexlIndexStorageStrategy()

Method Detail

getResourceNameFromIndex

public String getResourceNameFromIndex(CollectionResource resource)

This functions translate resourceIndex into a "unique" and "non-variable" name that could be identify a resource, as described earlier. This method could be expensive because it could require send SNMP queries and make complicated functions to build the name. So you must try to call it only when is necessary.

Specified by:

getResourceNameFromIndex in interface StorageStrategy

Overrides:

getResourceNameFromIndex in class IndexStorageStrategy

Parameters:

resource - a CollectionResource object

Returns:

a String object.

setParameters

public void setParameters(List<Parameter> parameterCollection)
                   throws IllegalArgumentException

setParameters

Specified by:

setParameters in interface StorageStrategy

Overrides:

setParameters in class IndexStorageStrategy

Parameters:

parameterCollection - a List object.

Throws:

IllegalArgumentException

updateContext

public void updateContext(org.apache.commons.jexl2.JexlContext context,
                          CollectionResource resource)
                   throws IllegalArgumentException

Throws:

IllegalArgumentException