org.opennms.netmgt.timeseries.util

Class TimeseriesUtils

java.lang.Object

org.opennms.netmgt.timeseries.util.TimeseriesUtils

public final class TimeseriesUtils
extends Object

Utility functions and constants.

Author:

jwhite

Field Summary

Fields

Modifier and Type	Field and Description
static String	WILDCARD_INDEX
static int	WILDCARD_INDEX_NO

Constructor Summary

Constructors

Constructor and Description
TimeseriesUtils()

Method Summary

Modifier and Type	Method and Description
static void	addIndicesToAttributes(ResourcePath path, Map<String,String> attributes) Extends the attribute map with indices used by the TimeseriesResourceStorageDao.
static org.opennms.integration.api.v1.timeseries.Sample	createSampleForIndexingStrings(String resourceId, Map<String,String> attributes) Creates a sample used to index string attributes.
static String	toMetricName(String resourceId) Extracts the metric name from the resource id.
static String	toResourceId(ResourcePath path) Converts a ResourcePath to a Newts resource id.
static ResourcePath	toResourcePath(String resourceId) Converts a Newts resource id to a ResourcePath.

Methods inherited from class java.lang.Object

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

Field Detail

WILDCARD_INDEX_NO

public static final int WILDCARD_INDEX_NO

See Also:

Constant Field Values

WILDCARD_INDEX

public static final String WILDCARD_INDEX

See Also:

Constant Field Values

Constructor Detail

TimeseriesUtils

public TimeseriesUtils()

Method Detail

addIndicesToAttributes

public static void addIndicesToAttributes(ResourcePath path,
                                          Map<String,String> attributes)

Extends the attribute map with indices used by the TimeseriesResourceStorageDao. A resource path of the form [a, b, c, d] will be indexed with:

• _idx1: (a, 4)
• _idx2: (a:b, 4)
• _idx2w=(a:b,*) // wildcard index to query for all resources under that resource
• _idx3: (a:b:c, 4)

toResourceId

public static String toResourceId(ResourcePath path)

Converts a ResourcePath to a Newts resource id.

Parameters:

path - path to convert

Returns:

Newts resource id

toResourcePath

public static ResourcePath toResourcePath(String resourceId)

Converts a Newts resource id to a ResourcePath.

Parameters:

resourceId - Newts resource id

Returns:

path

toMetricName

public static String toMetricName(String resourceId)

Extracts the metric name from the resource id.

Parameters:

resourceId - Newts resource id

Returns:

metric name

createSampleForIndexingStrings

public static org.opennms.integration.api.v1.timeseries.Sample createSampleForIndexingStrings(String resourceId,
                                                                                              Map<String,String> attributes)

Creates a sample used to index string attributes. These should only be index and not be persisted.