org.opennms.features.vaadin.dashboard.dashlets

Class RrdGraphHelper

java.lang.Object

org.opennms.features.vaadin.dashboard.dashlets.RrdGraphHelper

public class RrdGraphHelper
extends Object

This helper class iterates through the resourceTypes and resources and return a list of graph urls.

Author:

Christian Pape

Constructor Summary

Constructors

Constructor and Description
RrdGraphHelper() Default constructor for instantiating new objects

Method Summary

Modifier and Type	Method and Description
Map<String,String>	getGraphNameTitleMappingForResourceId(String resourceId) Returns the graph entries name/title mapping for a given resourceId.
Map<String,String>	getGraphResultsForResourceId(String resourceId) Returns the graph entries for a given resourceId.
Map<String,String>	getGraphTitleNameMappingForResourceId(String resourceId) Returns the graph entries title/name mapping for a given resourceId.
List<OnmsNode>	getNodesWithResources() Returns a list of nodes with resources
Map<OnmsResourceType,List<OnmsResource>>	getResourceTypeMapForNodeId(int nodeId) Returns a map of resources for a given resourceType.
Map<OnmsResourceType,List<OnmsResource>>	getResourceTypeMapForNodeId(String nodeId) Returns a map of resources for a given resourceType.
String	imageUrlForGraph(String query, int width, int height) Creates the image url for a given graph parameter and width/height.
String	imageUrlForGraph(String query, int width, int height, int calendarField, int calendarDiff) Creates the image url for a given graph parameter and width/height.
void	setGraphDao(GraphDao graphDao) This method sets the graph dao.
void	setNodeDao(NodeDao nodeDao) This method sets the node dao.
void	setResourceDao(ResourceDao resourceDao) This method sets the resource dao.
void	setTransactionOperations(org.springframework.transaction.support.TransactionOperations transactionOperations) This method sets the TransactionOperations instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

RrdGraphHelper

public RrdGraphHelper()

Default constructor for instantiating new objects

Method Detail

imageUrlForGraph

public String imageUrlForGraph(String query,
                               int width,
                               int height,
                               int calendarField,
                               int calendarDiff)

Creates the image url for a given graph parameter and width/height.

Parameters:

query - the parameter combination for this report graph

width - the width

height - the height

calendarField - the calendar field to substract from

calendarDiff - the value to be substracted

Returns:

the url string

imageUrlForGraph

public String imageUrlForGraph(String query,
                               int width,
                               int height)

Creates the image url for a given graph parameter and width/height.

Parameters:

query - the parameter combination for this report graph

width - the width

height - the height

Returns:

the url string

getGraphNameTitleMappingForResourceId

public Map<String,String> getGraphNameTitleMappingForResourceId(String resourceId)

Returns the graph entries name/title mapping for a given resourceId.

Parameters:

resourceId - the resourceId

Returns:

a map of names/titles found

getGraphTitleNameMappingForResourceId

public Map<String,String> getGraphTitleNameMappingForResourceId(String resourceId)

Returns the graph entries title/name mapping for a given resourceId.

Parameters:

resourceId - the resourceId

Returns:

a map of titles/names found

getGraphResultsForResourceId

public Map<String,String> getGraphResultsForResourceId(String resourceId)

Returns the graph entries for a given resourceId.

Parameters:

resourceId - the resourceId

Returns:

a map of graphs found

getResourceTypeMapForNodeId

public Map<OnmsResourceType,List<OnmsResource>> getResourceTypeMapForNodeId(int nodeId)

Returns a map of resources for a given resourceType.

Parameters:

nodeId - the nodeId to search for resourceTypes

Returns:

the map of resources

getResourceTypeMapForNodeId

public Map<OnmsResourceType,List<OnmsResource>> getResourceTypeMapForNodeId(String nodeId)

Returns a map of resources for a given resourceType.

Parameters:

nodeId - the nodeId to search for resourceTypes

Returns:

the map of resources

getNodesWithResources

public List<OnmsNode> getNodesWithResources()

Returns a list of nodes with resources

Returns:

a list of nodes

setNodeDao

public void setNodeDao(NodeDao nodeDao)

This method sets the node dao.

Parameters:

nodeDao - the node dao to set

setGraphDao

public void setGraphDao(GraphDao graphDao)

This method sets the graph dao.

Parameters:

graphDao - the graph dao to set

setResourceDao

public void setResourceDao(ResourceDao resourceDao)

This method sets the resource dao.

Parameters:

resourceDao - the resource dao to set

setTransactionOperations

public void setTransactionOperations(org.springframework.transaction.support.TransactionOperations transactionOperations)

This method sets the TransactionOperations instance.

Parameters:

transactionOperations - the instance to be set