Package com.codahale.metrics.health

Class HealthCheck.Result

java.lang.Object

com.codahale.metrics.health.HealthCheck.Result

Enclosing class:

HealthCheck

public static class HealthCheck.Result
extends java.lang.Object

The result of a HealthCheck being run. It can be healthy (with an optional message) or unhealthy (with either an error message or a thrown exception).

Field Summary

Fields

Modifier and Type	Field	Description
private java.lang.Throwable	error
private boolean	healthy
private static HealthCheck.Result	HEALTHY
private java.lang.String	message
private static int	PRIME

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Result(boolean isHealthy, java.lang.String message, java.lang.Throwable error)

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object o)
java.lang.Throwable	getError()	Returns any exception for the result, or null if the result has no exception.
java.lang.String	getMessage()	Returns any additional message for the result, or null if the result has no message.
int	hashCode()
static HealthCheck.Result	healthy()	Returns a healthy HealthCheck.Result with no additional message.
static HealthCheck.Result	healthy(java.lang.String message)	Returns a healthy HealthCheck.Result with an additional message.
static HealthCheck.Result	healthy(java.lang.String message, java.lang.Object... args)	Returns a healthy HealthCheck.Result with a formatted message.
boolean	isHealthy()	Returns true if the result indicates the component is healthy; false otherwise.
java.lang.String	toString()
static HealthCheck.Result	unhealthy(java.lang.String message)	Returns an unhealthy HealthCheck.Result with the given message.
static HealthCheck.Result	unhealthy(java.lang.String message, java.lang.Object... args)	Returns an unhealthy HealthCheck.Result with a formatted message.
static HealthCheck.Result	unhealthy(java.lang.Throwable error)	Returns an unhealthy HealthCheck.Result with the given error.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

HEALTHY

private static final HealthCheck.Result HEALTHY

PRIME

private static final int PRIME

See Also:

Constant Field Values

healthy

private final boolean healthy

message

private final java.lang.String message

error

private final java.lang.Throwable error

Constructor Detail

Result

private Result(boolean isHealthy,
               java.lang.String message,
               java.lang.Throwable error)

Method Detail

healthy

public static HealthCheck.Result healthy()

Returns a healthy HealthCheck.Result with no additional message.

Returns:

a healthy HealthCheck.Result with no additional message

healthy

public static HealthCheck.Result healthy(java.lang.String message)

Returns a healthy HealthCheck.Result with an additional message.

Parameters:

message - an informative message

Returns:

a healthy HealthCheck.Result with an additional message

healthy

public static HealthCheck.Result healthy(java.lang.String message,
                                         java.lang.Object... args)

Returns a healthy HealthCheck.Result with a formatted message.

Message formatting follows the same rules as String.format(String, Object...).

Parameters:

message - a message format

args - the arguments apply to the message format

Returns:

a healthy HealthCheck.Result with an additional message

See Also:

String.format(String, Object...)

unhealthy

public static HealthCheck.Result unhealthy(java.lang.String message)

Returns an unhealthy HealthCheck.Result with the given message.

Parameters:

message - an informative message describing how the health check failed

Returns:

an unhealthy HealthCheck.Result with the given message

unhealthy

public static HealthCheck.Result unhealthy(java.lang.String message,
                                           java.lang.Object... args)

Returns an unhealthy HealthCheck.Result with a formatted message.

Message formatting follows the same rules as String.format(String, Object...).

Parameters:

message - a message format

args - the arguments apply to the message format

Returns:

an unhealthy HealthCheck.Result with an additional message

See Also:

String.format(String, Object...)

unhealthy

public static HealthCheck.Result unhealthy(java.lang.Throwable error)

Returns an unhealthy HealthCheck.Result with the given error.

Parameters:

error - an exception thrown during the health check

Returns:

an unhealthy HealthCheck.Result with the given error

isHealthy

public boolean isHealthy()

Returns true if the result indicates the component is healthy; false otherwise.

Returns:

true if the result indicates the component is healthy

getMessage

public java.lang.String getMessage()

Returns any additional message for the result, or null if the result has no message.

Returns:

any additional message for the result, or null

getError

public java.lang.Throwable getError()

Returns any exception for the result, or null if the result has no exception.

Returns:

any exception for the result, or null

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object