Package com.codahale.metrics.health

Class HealthCheck.ResultBuilder

java.lang.Object

com.codahale.metrics.health.HealthCheck.ResultBuilder

Enclosing class:

HealthCheck

public static class HealthCheck.ResultBuilder
extends Object

This a convenient builder for an HealthCheck.Result. It can be health (with optional message and detail) or unhealthy (with optional message, error and detail)

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ResultBuilder()

Method Summary

Modifier and Type	Method	Description
HealthCheck.Result	build()
HealthCheck.ResultBuilder	healthy()	Configure an healthy result
HealthCheck.ResultBuilder	unhealthy()	Configure an unhealthy result
HealthCheck.ResultBuilder	unhealthy(Throwable error)	Configure an unhealthy result with an error
HealthCheck.ResultBuilder	usingClock(Clock clock)	Configure this HealthCheck.ResultBuilder to use the given clock instead of the default clock.
HealthCheck.ResultBuilder	withDetail(String key, Object data)	Add an optional detail
HealthCheck.ResultBuilder	withMessage(String message)	Set an optional message
HealthCheck.ResultBuilder	withMessage(String message, Object... args)	Set an optional formatted message

Methods inherited from class java.lang.Object

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

Constructor Detail

ResultBuilder

protected ResultBuilder()

Method Detail

healthy

public HealthCheck.ResultBuilder healthy()

Configure an healthy result

Returns:

this builder with healthy status

unhealthy

public HealthCheck.ResultBuilder unhealthy()

Configure an unhealthy result

Returns:

this builder with unhealthy status

unhealthy

public HealthCheck.ResultBuilder unhealthy(Throwable error)

Configure an unhealthy result with an error

Parameters:

error - the error

Returns:

this builder with the given error

withMessage

public HealthCheck.ResultBuilder withMessage(String message)

Set an optional message

Parameters:

message - an informative message

Returns:

this builder with the given message

withMessage

public HealthCheck.ResultBuilder withMessage(String message,
                                             Object... args)

Set an optional 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:

this builder with the given formatted message

See Also:

String.format(String, Object...)

withDetail

public HealthCheck.ResultBuilder withDetail(String key,
                                            Object data)

Add an optional detail

Parameters:

key - a key for this detail

data - an object representing the detail data

Returns:

this builder with the given detail added

usingClock

public HealthCheck.ResultBuilder usingClock(Clock clock)

Configure this HealthCheck.ResultBuilder to use the given clock instead of the default clock. If not specified, the default clock is Clock.defaultClock().

Parameters:

clock - the Clock to use when generating the health check timestamp (useful for unit testing)

Returns:

this builder configured to use the given clock

build

public HealthCheck.Result build()