org.springframework.integration.monitor

Class DirectChannelMetrics

java.lang.Object

org.springframework.integration.monitor.DirectChannelMetrics

All Implemented Interfaces:

org.aopalliance.aop.Advice, org.aopalliance.intercept.Interceptor, org.aopalliance.intercept.MethodInterceptor, MessageChannelMetrics

Direct Known Subclasses:

PollableChannelMetrics

@ManagedResource
public class DirectChannelMetrics
extends Object
implements org.aopalliance.intercept.MethodInterceptor, MessageChannelMetrics

Registers all message channels, and accumulates statistics about their performance. The statistics are then published locally for other components to consume and publish remotely.

Since:

2.0

Author:

Dave Syer, Helena Edelson

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_MOVING_AVERAGE_WINDOW
protected org.apache.commons.logging.Log	logger
static long	ONE_MINUTE_SECONDS
static long	ONE_SECOND_SECONDS

Constructor Summary

Constructors

Constructor and Description
DirectChannelMetrics(MessageChannel messageChannel, String name)

Method Summary

Methods

Modifier and Type	Method and Description
void	destroy()
protected Object	doInvoke(org.aopalliance.intercept.MethodInvocation invocation, String method, MessageChannel channel)
Statistics	getErrorRate()
double	getMaxSendDuration()
double	getMeanErrorRate()
double	getMeanErrorRatio()
double	getMeanSendDuration()
double	getMeanSendRate()
MessageChannel	getMessageChannel()
double	getMinSendDuration()
String	getName()
int	getSendCount()
Statistics	getSendDuration()
int	getSendErrorCount()
Statistics	getSendRate()
double	getStandardDeviationSendDuration()
double	getTimeSinceLastSend()
Object	invoke(org.aopalliance.intercept.MethodInvocation invocation)
void	reset()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final org.apache.commons.logging.Log logger

ONE_SECOND_SECONDS

public static final long ONE_SECOND_SECONDS

See Also:

Constant Field Values

ONE_MINUTE_SECONDS

public static final long ONE_MINUTE_SECONDS

See Also:

Constant Field Values

DEFAULT_MOVING_AVERAGE_WINDOW

public static final int DEFAULT_MOVING_AVERAGE_WINDOW

See Also:

Constant Field Values

Constructor Detail

DirectChannelMetrics

public DirectChannelMetrics(MessageChannel messageChannel,
                    String name)

Method Detail

destroy

public void destroy()

getMessageChannel

public MessageChannel getMessageChannel()

getName

public String getName()

invoke

public Object invoke(org.aopalliance.intercept.MethodInvocation invocation)
              throws Throwable

Specified by:

invoke in interface org.aopalliance.intercept.MethodInterceptor

Throws:

Throwable

doInvoke

protected Object doInvoke(org.aopalliance.intercept.MethodInvocation invocation,
              String method,
              MessageChannel channel)
                   throws Throwable

Throws:

Throwable

reset

public void reset()

Specified by:

reset in interface MessageChannelMetrics

getSendCount

public int getSendCount()

Specified by:

getSendCount in interface MessageChannelMetrics

Returns:

the number of successful sends

getSendErrorCount

public int getSendErrorCount()

Specified by:

getSendErrorCount in interface MessageChannelMetrics

Returns:

the number of failed sends (either throwing an exception or rejected by the channel)

getTimeSinceLastSend

public double getTimeSinceLastSend()

Specified by:

getTimeSinceLastSend in interface MessageChannelMetrics

Returns:

the time in seconds since the last send

getMeanSendRate

public double getMeanSendRate()

Specified by:

getMeanSendRate in interface MessageChannelMetrics

Returns:

the mean send rate (per second)

getMeanErrorRate

public double getMeanErrorRate()

Specified by:

getMeanErrorRate in interface MessageChannelMetrics

Returns:

the mean error rate (per second). Errors comprise all failed sends.

getMeanErrorRatio

public double getMeanErrorRatio()

Specified by:

getMeanErrorRatio in interface MessageChannelMetrics

Returns:

the mean ratio of failed to successful sends in approximately the last minute

getMeanSendDuration

public double getMeanSendDuration()

Specified by:

getMeanSendDuration in interface MessageChannelMetrics

Returns:

the mean send duration (milliseconds)

getMinSendDuration

public double getMinSendDuration()

Specified by:

getMinSendDuration in interface MessageChannelMetrics

Returns:

the minimum send duration (milliseconds) since startup

getMaxSendDuration

public double getMaxSendDuration()

Specified by:

getMaxSendDuration in interface MessageChannelMetrics

Returns:

the maximum send duration (milliseconds) since startup

getStandardDeviationSendDuration

public double getStandardDeviationSendDuration()

Specified by:

getStandardDeviationSendDuration in interface MessageChannelMetrics

Returns:

the standard deviation send duration (milliseconds)

getSendDuration

public Statistics getSendDuration()

Specified by:

getSendDuration in interface MessageChannelMetrics

Returns:

summary statistics about the send duration (milliseconds)

getSendRate

public Statistics getSendRate()

Specified by:

getSendRate in interface MessageChannelMetrics

Returns:

summary statistics about the send rates (per second)

getErrorRate

public Statistics getErrorRate()

Specified by:

getErrorRate in interface MessageChannelMetrics

Returns:

summary statistics about the error rates (per second)

toString

public String toString()

Overrides:

toString in class Object