io.cdap.wrangler.metrics

Class JexlCategoryMetricUtils

java.lang.Object

io.cdap.wrangler.metrics.JexlCategoryMetricUtils

public final class JexlCategoryMetricUtils
extends Object

Utility class for the 'JEXL category' metric. This metric counts the number of times a JEXL function category in EL.DefaultFunctions is used.

Field Summary

Fields

Modifier and Type	Field and Description
static String	JEXL_CATEGORY_ENTITY_TYPE
static int	JEXL_CATEGORY_METRIC_COUNT
static String	JEXL_CATEGORY_METRIC_NAME

Constructor Summary

Constructors

Constructor and Description
JexlCategoryMetricUtils()

Method Summary

Modifier and Type	Method and Description
static EntityCountMetric	getJexlCategoryMetric(String jexlScript) This method parses the JEXL function category from the given JEXL script and returns the metric if the category is present in EL.DefaultFunctions

Methods inherited from class java.lang.Object

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

Field Detail

JEXL_CATEGORY_METRIC_NAME

public static final String JEXL_CATEGORY_METRIC_NAME

See Also:

Constant Field Values

JEXL_CATEGORY_METRIC_COUNT

public static final int JEXL_CATEGORY_METRIC_COUNT

See Also:

Constant Field Values

JEXL_CATEGORY_ENTITY_TYPE

public static final String JEXL_CATEGORY_ENTITY_TYPE

See Also:

Constant Field Values

Constructor Detail

JexlCategoryMetricUtils

public JexlCategoryMetricUtils()

Method Detail

getJexlCategoryMetric

@Nullable
public static EntityCountMetric getJexlCategoryMetric(String jexlScript)

This method parses the JEXL function category from the given JEXL script and returns the metric if the category is present in EL.DefaultFunctions

Parameters:

jexlScript - the JEXL script from which the JEXL function category will be parsed

Returns:

EntityCountMetric with the metric name and necessary tags representing a JEXL category metric