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.

Author:

Oleksiy Yarmula

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
NodePredicates()

Method Summary

Methods

Modifier and Type	Method and 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

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