org.opennms.netmgt.dao
Interface FilterDao

All Known Implementing Classes:

JdbcFilterDao

public interface FilterDao

FilterDao interface.

Version:

$Id: $

Author:

DJ Gregor

Method Summary

List<String>	getIPList(String rule) getIPList
Map<String,Set<String>>	getIPServiceMap(String rule) getIPServiceMap
SortedMap<Integer,String>	getNodeMap(String rule) This method returns a map of all node IDs and node labels that match the rule that is passed in, sorted by node ID.
boolean	isRuleMatching(String rule) Does this rule match anything in the database? In particular, does it return at least one record from the database?
boolean	isValid(String addr, String rule) isValid
void	validateRule(String rule) validateRule
void	walkMatchingNodes(String rule, EntityVisitor visitor) walkMatchingNodes

Method Detail

walkMatchingNodes

void walkMatchingNodes(String rule,
                       EntityVisitor visitor)

walkMatchingNodes

Parameters:

rule - a String object.

visitor - a EntityVisitor object.

getNodeMap

SortedMap<Integer,String> getNodeMap(String rule)
                                     throws FilterParseException

This method returns a map of all node IDs and node labels that match the rule that is passed in, sorted by node ID.

Parameters:

rule - an expression rule to be parsed and executed.

Returns:

SortedMap containing all node IDs and node labels selected by the rule.

Throws:

FilterParseException - if a rule is syntactically incorrect or failed in executing the SQL statement

FilterParseException - if any.

getIPServiceMap

Map<String,Set<String>> getIPServiceMap(String rule)
                                        throws FilterParseException

getIPServiceMap

Parameters:

rule - a String object.

Returns:

a Map object.

Throws:

FilterParseException - if any.

getIPList

List<String> getIPList(String rule)
                       throws FilterParseException

getIPList

Parameters:

rule - a String object.

Returns:

a List object.

Throws:

FilterParseException - if any.

isValid

boolean isValid(String addr,
                String rule)
                throws FilterParseException

isValid

Parameters:

addr - a String object.

rule - a String object.

Returns:

a boolean.

Throws:

FilterParseException - if any.

isRuleMatching

boolean isRuleMatching(String rule)
                       throws FilterParseException

Does this rule match anything in the database? In particular, does it return at least one record from the database?

Parameters:

rule - rule to match on

Returns:

true if there is at least one match, false otherwise

Throws:

FilterParseException - if any.

validateRule

void validateRule(String rule)
                  throws FilterParseException

validateRule

Parameters:

rule - a String object.

Throws:

FilterParseException - if any.