com.eibus.management.counters

Class CounterFactory<T extends ICounter>

java.lang.Object

com.eibus.management.counters.CounterFactory<T>

public final class CounterFactory<T extends ICounter>
extends java.lang.Object

Factory to create different kinds of performance counters.

Field Summary

Fields

Modifier and Type	Field and Description
static CounterFactory<IEventOccurrenceCounter>	EVENT_OCCURRENCE_COUNTER
static int	EVENT_OCCURRENCE_COUNTER_TYPE_IDX
static CounterFactory<IEventValueCounter>	EVENT_VALUE_COUNTER
static int	EVENT_VALUE_COUNTER_TYPE_IDX
static int	MICRO_SECOND_TIMER_EVENT_VALUE_COUNTER_TYPE_IDX
static CounterFactory<ITimerEventValueCounter>	MICRO_TIMER_EVENT_VALUE_COUNTER
static CounterFactory<ITimerEventValueCounter>	TIMER_EVENT_VALUE_COUNTER
static int	TIMER_EVENT_VALUE_COUNTER_TYPE_IDX
static CounterFactory<IValueCounter>	VALUE_COUNTER
static int	VALUE_COUNTER_TYPE_IDX

Method Summary

Modifier and Type	Method and Description
static <T extends ICounter> T	createCounter(CounterFactory<T> counterTypeFactory, java.lang.String name) Creates a counter of a given type, with a given name.
static IValueCounter	createPropertyBasedValueCounter(java.lang.String name, java.beans.PropertyDescriptor propertyDescr, java.lang.Object sourceObject) Creates a property based value counter with a given name.
static IValueCounter	createPropertyBasedValueCounter(java.lang.String name, java.lang.String propertyName, java.lang.Object sourceObject) Creates a property based value counter with a given name.

Methods inherited from class java.lang.Object

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

Field Detail

VALUE_COUNTER_TYPE_IDX

public static final int VALUE_COUNTER_TYPE_IDX

See Also:

Constant Field Values

EVENT_OCCURRENCE_COUNTER_TYPE_IDX

public static final int EVENT_OCCURRENCE_COUNTER_TYPE_IDX

See Also:

Constant Field Values

EVENT_VALUE_COUNTER_TYPE_IDX

public static final int EVENT_VALUE_COUNTER_TYPE_IDX

See Also:

Constant Field Values

TIMER_EVENT_VALUE_COUNTER_TYPE_IDX

public static final int TIMER_EVENT_VALUE_COUNTER_TYPE_IDX

See Also:

Constant Field Values

MICRO_SECOND_TIMER_EVENT_VALUE_COUNTER_TYPE_IDX

public static final int MICRO_SECOND_TIMER_EVENT_VALUE_COUNTER_TYPE_IDX

See Also:

Constant Field Values

VALUE_COUNTER

public static final CounterFactory<IValueCounter> VALUE_COUNTER

EVENT_OCCURRENCE_COUNTER

public static final CounterFactory<IEventOccurrenceCounter> EVENT_OCCURRENCE_COUNTER

EVENT_VALUE_COUNTER

public static final CounterFactory<IEventValueCounter> EVENT_VALUE_COUNTER

TIMER_EVENT_VALUE_COUNTER

public static final CounterFactory<ITimerEventValueCounter> TIMER_EVENT_VALUE_COUNTER

MICRO_TIMER_EVENT_VALUE_COUNTER

public static final CounterFactory<ITimerEventValueCounter> MICRO_TIMER_EVENT_VALUE_COUNTER

Method Detail

createCounter

public static <T extends ICounter> T createCounter(CounterFactory<T> counterTypeFactory,
                                                   java.lang.String name)

Creates a counter of a given type, with a given name.

Parameters:

counterTypeFactory - The factory for the required counter type

name - The name of the new counter

Returns:

the counter

createPropertyBasedValueCounter

public static IValueCounter createPropertyBasedValueCounter(java.lang.String name,
                                                            java.beans.PropertyDescriptor propertyDescr,
                                                            java.lang.Object sourceObject)

Creates a property based value counter with a given name.

Parameters:

name - The name of the new counter

propertyDescr - The descriptor of the property supplying the counter value

sourceObject - The source object on which to invoke the getter method. This parameter can null when the getter method is a static method.

Returns:

the counter

createPropertyBasedValueCounter

public static IValueCounter createPropertyBasedValueCounter(java.lang.String name,
                                                            java.lang.String propertyName,
                                                            java.lang.Object sourceObject)
                                                     throws java.beans.IntrospectionException

Creates a property based value counter with a given name.

Parameters:

name - The name of the new counter

propertyDescr - The descriptor of the property supplying the counter value

sourceObject - The source object on which to invoke the getter method. In case of a static property, this should be the class.

Returns:

the counter

Throws:

java.beans.IntrospectionException