com.elastisys.scale.cloudpool.openstack.predicates

Class ServerPredicates

java.lang.Object

com.elastisys.scale.cloudpool.openstack.predicates.ServerPredicates

public class ServerPredicates
extends Object

Predicates relating to Openstack Server instances.

Constructor Summary

Constructors

Constructor and Description
ServerPredicates()

Method Summary

Methods

Modifier and Type	Method and Description
static com.google.common.base.Predicate<? super org.openstack4j.model.compute.Server>	withStateIn(org.openstack4j.model.compute.Server.Status... statuses) Creates a Predicate function that returns true for any Server with a status in a set of allowed values.
static com.google.common.base.Predicate<org.openstack4j.model.compute.Server>	withTag(String tag, String tagValue) Creates a Predicate that checks Server instances for the existence of a given meta data tag.

Methods inherited from class java.lang.Object

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

Constructor Detail

ServerPredicates

public ServerPredicates()

Method Detail

withTag

public static com.google.common.base.Predicate<org.openstack4j.model.compute.Server> withTag(String tag,
                                                                             String tagValue)

Creates a Predicate that checks Server instances for the existence of a given meta data tag.

The predicate will return true for all Server instances with a given tag value in its user meta data.

Parameters:

tag - The meta data tag.

value - The expected value of the meta data tag.

Returns:

A predicate that returns true for Server instances with the given tag value and false for all other Server instances.

withStateIn

public static com.google.common.base.Predicate<? super org.openstack4j.model.compute.Server> withStateIn(org.openstack4j.model.compute.Server.Status... statuses)

Creates a Predicate function that returns true for any Server with a status in a set of allowed values.

Parameters:

statuses - The allowed server Server.Statuses.

Returns:

A predicate that returns true for Server instances in a certain state.