com.elastisys.scale.cloudpool.api.types

Class Machine.RequestAge

java.lang.Object

com.elastisys.scale.cloudpool.api.types.Machine.RequestAge

All Implemented Interfaces:

com.google.common.base.Function<Machine,com.google.common.base.Optional<Long>>

Enclosing class:

Machine

public static class Machine.RequestAge
extends Object
implements com.google.common.base.Function<Machine,com.google.common.base.Optional<Long>>

A Function that optionally returns the number of milliseconds of how long ago the request to start a given Machine was made. Since not all cloud infrastructures support returning this value, the return value from the function is Optional.

Constructor Summary

Constructors

Constructor and Description
RequestAge(org.joda.time.DateTime now) Creates a new instance that sets the current time to a particular value.

Method Summary

Modifier and Type	Method and Description
com.google.common.base.Optional<Long>	apply(Machine machine)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.base.Function

equals

Constructor Detail

RequestAge

public RequestAge(org.joda.time.DateTime now)

Creates a new instance that sets the current time to a particular value.

Parameters:

now - The time to regard as the current time.

Method Detail

apply

public com.google.common.base.Optional<Long> apply(Machine machine)

Specified by:

apply in interface com.google.common.base.Function<Machine,com.google.common.base.Optional<Long>>