Package org.robolectric.util

Class PerfStatsCollector

java.lang.Object

org.robolectric.util.PerfStatsCollector

public class PerfStatsCollector
extends java.lang.Object

Collects performance statistics for later reporting via PerfStatsReporter.

Since:

3.6

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	PerfStatsCollector.Event	Event for perf stats collection.
static interface	PerfStatsCollector.ThrowingRunnable<F extends java.lang.Exception>	Runnable that throws an exception.
static interface	PerfStatsCollector.ThrowingSupplier<T,F extends java.lang.Exception>	Supplier that throws an exception.

Constructor Summary

Constructors

Constructor	Description
PerfStatsCollector()

Method Summary

Modifier and Type	Method	Description
static PerfStatsCollector	getInstance()
org.robolectric.pluginapi.perf.Metadata	getMetadata()
java.util.Collection<org.robolectric.pluginapi.perf.Metric>	getMetrics()
<E extends java.lang.Exception> void	measure(java.lang.String eventName, PerfStatsCollector.ThrowingRunnable<E> runnable)
<T,E extends java.lang.Exception> T	measure(java.lang.String eventName, PerfStatsCollector.ThrowingSupplier<T,E> supplier)
<T> void	putMetadata(java.lang.Class<T> metadataClass, T metadata)
void	reset()
void	setEnabled(boolean isEnabled)	If not enabled, don't bother retaining perf stats, saving some memory and CPU cycles.
PerfStatsCollector.Event	startEvent(java.lang.String eventName)

Methods inherited from class java.lang.Object

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

Constructor Detail

PerfStatsCollector

public PerfStatsCollector()

Method Detail

getInstance

public static PerfStatsCollector getInstance()

setEnabled

public void setEnabled(boolean isEnabled)

If not enabled, don't bother retaining perf stats, saving some memory and CPU cycles.

startEvent

public PerfStatsCollector.Event startEvent(java.lang.String eventName)

measure

public <T,E extends java.lang.Exception> T measure(java.lang.String eventName,
                                                         PerfStatsCollector.ThrowingSupplier<T,E> supplier)
                                                  throws E extends java.lang.Exception

Throws:

E extends java.lang.Exception

measure

public <E extends java.lang.Exception> void measure(java.lang.String eventName,
                                                    PerfStatsCollector.ThrowingRunnable<E> runnable)
                                             throws E extends java.lang.Exception

Throws:

E extends java.lang.Exception

getMetrics

public java.util.Collection<org.robolectric.pluginapi.perf.Metric> getMetrics()

putMetadata

public <T> void putMetadata(java.lang.Class<T> metadataClass,
                            T metadata)

getMetadata

public org.robolectric.pluginapi.perf.Metadata getMetadata()

reset

public void reset()