Package org.apache.sling.discovery.commons

Class InstancesDiff.InstanceCollection

java.lang.Object

org.apache.sling.discovery.commons.InstancesDiff.InstanceCollection

Enclosing class:

InstancesDiff

public final class InstancesDiff.InstanceCollection
extends java.lang.Object

The InstanceCollection collection allows to filter the instances using a set of custom filter either implementing InstanceFilter or pre-defined ones.

Filters conditions are joined combined together using the logical operator "AND".

Method Summary

Modifier and Type	Method	Description
InstancesDiff.InstanceCollection	filterWith(InstanceFilter filter)	Filter the instances with a custom InstanceFilter filter.
java.util.Collection<InstanceDescription>	get()	Return the collection of InstanceDescription instances that have not been filtered out.
InstancesDiff.InstanceCollection	isInClusterView(ClusterView clusterView)	Keep only the instances that are contained in the same ClusterView cluster view as the one provided.
InstancesDiff.InstanceCollection	isLeader()	Keep only the leader instances (see InstanceDescription.isLeader().
InstancesDiff.InstanceCollection	isLocal()	Keep only the local instance (see InstanceDescription.isLocal().
InstancesDiff.InstanceCollection	isNotInClusterView(ClusterView clusterView)	Filter out the instances that are contained in the same ClusterView cluster view as the one provided.
InstancesDiff.InstanceCollection	isNotLeader()	Filter out the leader instances (see InstanceDescription.isLeader().
InstancesDiff.InstanceCollection	isNotLocal()	Filter out the local instances (see InstanceDescription.isLocal().

Methods inherited from class java.lang.Object

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

Method Detail

filterWith

@Nonnull
public InstancesDiff.InstanceCollection filterWith(@Nullable
                                                   InstanceFilter filter)

Filter the instances with a custom InstanceFilter filter.

Parameters:

filter - the filter to be applied on the instances

Returns:

this

isLocal

@Nonnull
public InstancesDiff.InstanceCollection isLocal()

Keep only the local instance (see InstanceDescription.isLocal().

Returns:

this

isNotLocal

@Nonnull
public InstancesDiff.InstanceCollection isNotLocal()

Filter out the local instances (see InstanceDescription.isLocal().

Returns:

this

isLeader

@Nonnull
public InstancesDiff.InstanceCollection isLeader()

Keep only the leader instances (see InstanceDescription.isLeader().

Returns:

this

isNotLeader

@Nonnull
public InstancesDiff.InstanceCollection isNotLeader()

Filter out the leader instances (see InstanceDescription.isLeader().

Returns:

this

isInClusterView

@Nonnull
public InstancesDiff.InstanceCollection isInClusterView(@Nullable
                                                        ClusterView clusterView)

Keep only the instances that are contained in the same ClusterView cluster view as the one provided.

The comparison between cluster views is done on the basis of the cluster view identifier. Two cluster views with the same identifier are considered equal.

Parameters:

clusterView - the cluster view used to filter the instances

Returns:

this

isNotInClusterView

@Nonnull
public InstancesDiff.InstanceCollection isNotInClusterView(@Nullable
                                                           ClusterView clusterView)

Filter out the instances that are contained in the same ClusterView cluster view as the one provided.

The comparison between cluster views is done on the basis of the cluster view identifier. Two cluster views with the same identifier are considered equal.

Parameters:

clusterView - the cluster view used to filter the instances

Returns:

this

get

@Nonnull
public java.util.Collection<InstanceDescription> get()

Return the collection of InstanceDescription instances that have not been filtered out.

Returns:

the filtered collection of instances.