Package org.apache.solr.cloud.autoscaling.sim

Class SnapshotNodeStateProvider

java.lang.Object

org.apache.solr.cloud.autoscaling.sim.SnapshotNodeStateProvider

All Implemented Interfaces:

Closeable, AutoCloseable, NodeStateProvider, SolrCloseable

public class SnapshotNodeStateProvider
extends Object
implements NodeStateProvider

Read-only snapshot of another NodeStateProvider.

Constructor Summary

Constructors

Constructor	Description
SnapshotNodeStateProvider(Map<String,Object> snapshot)	Populate this instance from a previously generated snapshot.
SnapshotNodeStateProvider(SolrCloudManager other, AutoScalingConfig config)	Populate this instance from another instance of SolrCloudManager.

Method Summary

Modifier and Type	Method	Description
void	close()
Map<String,Object>	getNodeValues(String node, Collection<String> tags)
ReplicaInfo	getReplicaInfo(String collection, String coreNode)
Map<String,Map<String,List<ReplicaInfo>>>	getReplicaInfo(String node, Collection<String> keys)
Map<String,Object>	getSnapshot()	Create a snapshot of all node and replica tag values available from the original source, per the original autoscaling configuration.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.solr.common.SolrCloseable

isClosed

Constructor Detail

SnapshotNodeStateProvider

public SnapshotNodeStateProvider(SolrCloudManager other,
                                 AutoScalingConfig config)
                          throws Exception

Populate this instance from another instance of SolrCloudManager.

Parameters:

other - another instance

config - optional AutoScalingConfig, which will be used to determine what node and replica tags to retrieve. If this is null then the other instance's config will be used.

Throws:

Exception

SnapshotNodeStateProvider

public SnapshotNodeStateProvider(Map<String,Object> snapshot)

Populate this instance from a previously generated snapshot.

Parameters:

snapshot - previous snapshot created using this class.

Method Detail

getSnapshot

public Map<String,Object> getSnapshot()

Create a snapshot of all node and replica tag values available from the original source, per the original autoscaling configuration. Note:

getNodeValues

public Map<String,Object> getNodeValues(String node,
                                              Collection<String> tags)

Specified by:

getNodeValues in interface NodeStateProvider

getReplicaInfo

public Map<String,Map<String,List<ReplicaInfo>>> getReplicaInfo(String node,
                                                                            Collection<String> keys)

Specified by:

getReplicaInfo in interface NodeStateProvider

getReplicaInfo

public ReplicaInfo getReplicaInfo(String collection,
                                  String coreNode)

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException