org.apache.flink.runtime.metrics.groups

Class OperatorMetricGroup

java.lang.Object

org.apache.flink.runtime.metrics.groups.AbstractMetricGroup<P>

org.apache.flink.runtime.metrics.groups.ComponentMetricGroup<TaskMetricGroup>

org.apache.flink.runtime.metrics.groups.OperatorMetricGroup

All Implemented Interfaces:

org.apache.flink.metrics.MetricGroup

Direct Known Subclasses:

UnregisteredMetricGroups.UnregisteredOperatorMetricGroup

@Internal
public class OperatorMetricGroup
extends ComponentMetricGroup<TaskMetricGroup>

Special MetricGroup representing an Operator.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.runtime.metrics.groups.AbstractMetricGroup

AbstractMetricGroup.ChildType

Field Summary

Fields inherited from class org.apache.flink.runtime.metrics.groups.AbstractMetricGroup

LOG, parent, queryServiceScopeInfo, registry, variables

Constructor Summary

Constructors

Constructor and Description
OperatorMetricGroup(MetricRegistry registry, TaskMetricGroup parent, OperatorID operatorID, String operatorName)

Method Summary

Modifier and Type	Method and Description
protected QueryScopeInfo.OperatorQueryScopeInfo	createQueryServiceMetricInfo(org.apache.flink.metrics.CharacterFilter filter) Creates the metric query service scope for this group.
protected String	getGroupName(org.apache.flink.metrics.CharacterFilter filter) Returns the name for this group, meaning what kind of entity it represents, for example "taskmanager".
OperatorIOMetricGroup	getIOMetricGroup() Returns the OperatorIOMetricGroup for this operator.
TaskMetricGroup	parent()
protected void	putVariables(Map<String,String> variables) Enters all variables specific to this AbstractMetricGroup and their associated values into the map.
protected Iterable<? extends ComponentMetricGroup>	subComponents() Gets all component metric groups that are contained in this component metric group.

Methods inherited from class org.apache.flink.runtime.metrics.groups.ComponentMetricGroup

close

Methods inherited from class org.apache.flink.runtime.metrics.groups.AbstractMetricGroup

addGroup, addGroup, addGroup, addMetric, counter, counter, counter, counter, createChildGroup, createLogicalScope, gauge, gauge, getAllVariables, getAllVariables, getLogicalScope, getLogicalScope, getMetricIdentifier, getMetricIdentifier, getMetricIdentifier, getQueryServiceMetricInfo, getScopeComponents, histogram, histogram, isClosed, meter, meter

Methods inherited from class java.lang.Object

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

Constructor Detail

OperatorMetricGroup

public OperatorMetricGroup(MetricRegistry registry,
                           TaskMetricGroup parent,
                           OperatorID operatorID,
                           String operatorName)

Method Detail

parent

public final TaskMetricGroup parent()

createQueryServiceMetricInfo

protected QueryScopeInfo.OperatorQueryScopeInfo createQueryServiceMetricInfo(org.apache.flink.metrics.CharacterFilter filter)

Description copied from class: AbstractMetricGroup

Creates the metric query service scope for this group.

Specified by:

createQueryServiceMetricInfo in class AbstractMetricGroup<TaskMetricGroup>

Parameters:

filter - character filter

Returns:

query service scope

getIOMetricGroup

public OperatorIOMetricGroup getIOMetricGroup()

Returns the OperatorIOMetricGroup for this operator.

Returns:

OperatorIOMetricGroup for this operator.

putVariables

protected void putVariables(Map<String,String> variables)

Description copied from class: AbstractMetricGroup

Enters all variables specific to this AbstractMetricGroup and their associated values into the map.

Overrides:

putVariables in class AbstractMetricGroup<TaskMetricGroup>

Parameters:

variables - map to enter variables and their values into

subComponents

protected Iterable<? extends ComponentMetricGroup> subComponents()

Description copied from class: ComponentMetricGroup

Gets all component metric groups that are contained in this component metric group.

Specified by:

subComponents in class ComponentMetricGroup<TaskMetricGroup>

Returns:

All component metric groups that are contained in this component metric group.

getGroupName

protected String getGroupName(org.apache.flink.metrics.CharacterFilter filter)

Description copied from class: AbstractMetricGroup

Returns the name for this group, meaning what kind of entity it represents, for example "taskmanager".

Specified by:

getGroupName in class AbstractMetricGroup<TaskMetricGroup>

Parameters:

filter - character filter which is applied to the name

Returns:

logical name for this group