Package org.apache.solr.common

Class LazySolrCluster

java.lang.Object

org.apache.solr.common.LazySolrCluster

All Implemented Interfaces:

SolrCluster

public class LazySolrCluster
extends Object
implements SolrCluster

Reference implementation for SolrCluster. As much as possible fetch all the values lazily because the value of anything can change any moment Creating an instance is a low cost operation. It does not result in a network call or large object creation

Constructor Summary

Constructors

Constructor	Description
LazySolrCluster(ZkStateReader zkStateReader)

Method Summary

Modifier and Type	Method	Description
SimpleMap<SolrCollection>	collections()	collections in the cluster
SimpleMap<SolrCollection>	collections(boolean includeAlias)	collections in the cluster and aliases
SimpleMap<CollectionConfig>	configs()	Config sets in the cluster
SimpleMap<SolrNode>	nodes()	nodes in the cluster
String	overseerNode()	Name of the node in which the overseer is running
String	thisNode()	The name of the node in which this method is invoked from.

Methods inherited from class java.lang.Object

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

Constructor Detail

LazySolrCluster

public LazySolrCluster(ZkStateReader zkStateReader)

Method Detail

collections

public SimpleMap<SolrCollection> collections()
                                      throws SolrException

Description copied from interface: SolrCluster

collections in the cluster

Specified by:

collections in interface SolrCluster

Throws:

SolrException

collections

public SimpleMap<SolrCollection> collections(boolean includeAlias)
                                      throws SolrException

Description copied from interface: SolrCluster

collections in the cluster and aliases

Specified by:

collections in interface SolrCluster

Throws:

SolrException

nodes

public SimpleMap<SolrNode> nodes()
                          throws SolrException

Description copied from interface: SolrCluster

nodes in the cluster

Specified by:

nodes in interface SolrCluster

Throws:

SolrException

configs

public SimpleMap<CollectionConfig> configs()
                                    throws SolrException

Description copied from interface: SolrCluster

Config sets in the cluster

Specified by:

configs in interface SolrCluster

Throws:

SolrException

overseerNode

public String overseerNode()
                    throws SolrException

Description copied from interface: SolrCluster

Name of the node in which the overseer is running

Specified by:

overseerNode in interface SolrCluster

Throws:

SolrException

thisNode

public String thisNode()

Description copied from interface: SolrCluster

The name of the node in which this method is invoked from. returns null, if this is not invoked from a Solr node

Specified by:

thisNode in interface SolrCluster