Package org.jclouds.compute.predicates

Class NodePredicates

java.lang.Object

org.jclouds.compute.predicates.NodePredicates

public class NodePredicates
extends Object

Container for node filters (predicates). This class has static methods that create customized predicates to use with ComputeService.

Field Summary

Fields

Modifier and Type	Field	Description
static com.google.common.base.Predicate<NodeMetadata>	RUNNING	Match nodes with State == RUNNING
static com.google.common.base.Predicate<NodeMetadata>	SUSPENDED	Match nodes with State == SUSPENDED
static com.google.common.base.Predicate<NodeMetadata>	TERMINATED	Match nodes with State == NODE_TERMINATED

Constructor Summary

Constructors

Constructor	Description
NodePredicates()

Method Summary

Modifier and Type	Method	Description
static com.google.common.base.Predicate<ComputeMetadata>	all()	return everything.
static com.google.common.base.Predicate<NodeMetadata>	hasGroup()	Return nodes who have a value for NodeMetadata.getGroup()
static com.google.common.base.Predicate<NodeMetadata>	inGroup(String group)	Return nodes in the specified group.
static com.google.common.base.Predicate<ComputeMetadata>	locationId(String id)	Return nodes in the specified location.
static com.google.common.base.Predicate<ComputeMetadata>	parentLocationId(String id)	Return nodes in the specified parent location.
static com.google.common.base.Predicate<NodeMetadata>	runningInGroup(String group)	Return nodes with specified group that are in the NODE_RUNNING state.
static <T extends ComputeMetadata> com.google.common.base.Predicate<T>	withIds(String... ids)	Return nodes with the specific ids Note: returns all nodes, regardless of the state.

Methods inherited from class java.lang.Object

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

Field Detail

RUNNING

public static final com.google.common.base.Predicate<NodeMetadata> RUNNING

Match nodes with State == RUNNING

TERMINATED

public static final com.google.common.base.Predicate<NodeMetadata> TERMINATED

Match nodes with State == NODE_TERMINATED

SUSPENDED

public static final com.google.common.base.Predicate<NodeMetadata> SUSPENDED

Match nodes with State == SUSPENDED

Constructor Detail

NodePredicates

public NodePredicates()

Method Detail

locationId

public static com.google.common.base.Predicate<ComputeMetadata> locationId(String id)

Return nodes in the specified location.

Parameters:

id - id of the location

Returns:

predicate

parentLocationId

public static com.google.common.base.Predicate<ComputeMetadata> parentLocationId(String id)

Return nodes in the specified parent location.

Parameters:

id - id of the location

Returns:

predicate

withIds

public static <T extends ComputeMetadata> com.google.common.base.Predicate<T> withIds(String... ids)

Return nodes with the specific ids Note: returns all nodes, regardless of the state.

Parameters:

ids - ids of the resources

Returns:

predicate

all

public static com.google.common.base.Predicate<ComputeMetadata> all()

return everything.

inGroup

public static com.google.common.base.Predicate<NodeMetadata> inGroup(String group)

Return nodes in the specified group. Note: returns all nodes, regardless of the state.

Parameters:

group - group to match the items

Returns:

predicate

hasGroup

public static com.google.common.base.Predicate<NodeMetadata> hasGroup()

Return nodes who have a value for NodeMetadata.getGroup()

runningInGroup

public static com.google.common.base.Predicate<NodeMetadata> runningInGroup(String group)

Return nodes with specified group that are in the NODE_RUNNING state.

Parameters:

group - group to match the items

Returns:

predicate