org.eclipse.smila.taskworker.util

Class Counters

java.lang.Object

org.eclipse.smila.taskworker.util.Counters

public final class Counters
extends java.lang.Object

utility class for counter aggregation.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DATAOBJECTCOUNT
static java.lang.String	DURATION
static java.lang.String	DURATION_IODATA
static java.lang.String	DURATION_IODATA_CLOSE
static java.lang.String	DURATION_IODATA_OPEN
static java.lang.String	DURATION_PERFORM
static java.lang.String	DURATION_PERFORM_FUNCTION
static java.lang.String	DURATION_PERFORM_INPUT
static java.lang.String	DURATION_PERFORM_OUTPUT
static java.lang.String	FUNCTION
static java.lang.String	INPUT
static double	NANOS_PER_SEC prevent instance creation.
static java.lang.String	OUTPUT
static java.lang.String	WARN_COUNT name for counters and durations.

Method Summary

Methods

Modifier and Type	Method and Description
static void	add(java.util.Map<java.lang.String,java.lang.Number> counters, java.lang.String key, double count) add count value to counter key.
static void	add(java.util.Map<java.lang.String,java.lang.Number> counters, java.lang.String key, long count) add count value to counter key.
static void	addAll(java.util.Map<java.lang.String,java.lang.Number> counters, java.util.Map<java.lang.String,java.lang.Number> moreCounters) add all counters from the second map to the first one.
static void	addAll(java.util.Map<java.lang.String,java.lang.Number> counters, java.util.Map<java.lang.String,java.lang.Number> moreCounters, java.lang.String prefix) add all counters from the second map to the first one, add a prefix to the names of the added counters.
static void	addDuration(java.util.Map<java.lang.String,java.lang.Number> counters, java.lang.String key, long nanoSeconds) convert nanoseconds value to seconds (as double) and add to counter key.

Methods inherited from class java.lang.Object

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

Field Detail

NANOS_PER_SEC

public static final double NANOS_PER_SEC

prevent instance creation.

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Constant Field Values

WARN_COUNT

public static final java.lang.String WARN_COUNT

name for counters and durations.

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Constant Field Values

INPUT

public static final java.lang.String INPUT

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Constant Field Values

OUTPUT

public static final java.lang.String OUTPUT

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Constant Field Values

FUNCTION

public static final java.lang.String FUNCTION

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Constant Field Values

DURATION

public static final java.lang.String DURATION

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Constant Field Values

DURATION_IODATA

public static final java.lang.String DURATION_IODATA

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Constant Field Values

DURATION_IODATA_OPEN

public static final java.lang.String DURATION_IODATA_OPEN

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Constant Field Values

DURATION_IODATA_CLOSE

public static final java.lang.String DURATION_IODATA_CLOSE

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Constant Field Values

DURATION_PERFORM

public static final java.lang.String DURATION_PERFORM

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Constant Field Values

DURATION_PERFORM_FUNCTION

public static final java.lang.String DURATION_PERFORM_FUNCTION

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Constant Field Values

DURATION_PERFORM_INPUT

public static final java.lang.String DURATION_PERFORM_INPUT

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Constant Field Values

DURATION_PERFORM_OUTPUT

public static final java.lang.String DURATION_PERFORM_OUTPUT

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Constant Field Values

DATAOBJECTCOUNT

public static final java.lang.String DATAOBJECTCOUNT

See Also:

Constant Field Values

Method Detail

addDuration

public static void addDuration(java.util.Map<java.lang.String,java.lang.Number> counters,
               java.lang.String key,
               long nanoSeconds)

convert nanoseconds value to seconds (as double) and add to counter key.

add

public static void add(java.util.Map<java.lang.String,java.lang.Number> counters,
       java.lang.String key,
       long count)

add count value to counter key. An existing counter value is converted to a long value.

add

public static void add(java.util.Map<java.lang.String,java.lang.Number> counters,
       java.lang.String key,
       double count)

add count value to counter key. An existing counter value is converted to a double value.

addAll

public static void addAll(java.util.Map<java.lang.String,java.lang.Number> counters,
          java.util.Map<java.lang.String,java.lang.Number> moreCounters)

add all counters from the second map to the first one.

addAll

public static void addAll(java.util.Map<java.lang.String,java.lang.Number> counters,
          java.util.Map<java.lang.String,java.lang.Number> moreCounters,
          java.lang.String prefix)

add all counters from the second map to the first one, add a prefix to the names of the added counters.