com.stackify.api.common.error

Class ErrorCounter

java.lang.Object

com.stackify.api.common.error.ErrorCounter

public class ErrorCounter
extends Object

ErrorCounter

Author:

Eric Martin

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	ErrorCounter.MinuteCounter Unix epoch minute and error count for that minute

Constructor Summary

Constructors

Constructor and Description
ErrorCounter()

Method Summary

Methods

Modifier and Type	Method and Description
static ErrorItem	getBaseError(StackifyError error) Gets the base error (the last error in the causal chain)
static String	getUniqueKey(ErrorItem errorItem) Generates a unique key based on the error.
int	incrementCounter(StackifyError error, long epochMinute) Increments the counter for this error in the epoch minute specified
void	purgeCounters(long epochMinute) Purges the errorCounter map of expired entries

Methods inherited from class java.lang.Object

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

Constructor Detail

ErrorCounter

public ErrorCounter()

Method Detail

getBaseError

public static ErrorItem getBaseError(StackifyError error)

Gets the base error (the last error in the causal chain)

Parameters:

error - The error

Returns:

The inner most error

getUniqueKey

public static String getUniqueKey(ErrorItem errorItem)

Generates a unique key based on the error. The key will be an MD5 hash of the type, type code, and method.

Parameters:

errorItem - The error item

Returns:

The unique key for the error

incrementCounter

public int incrementCounter(StackifyError error,
                   long epochMinute)

Increments the counter for this error in the epoch minute specified

Parameters:

error - The error

epochMinute - The epoch minute

Returns:

The count for the error after it has been incremented

purgeCounters

public void purgeCounters(long epochMinute)

Purges the errorCounter map of expired entries

Parameters:

epochMinute - The current time