org.apache.solr.common.cloud

Class ClusterProperties

java.lang.Object

org.apache.solr.common.cloud.ClusterProperties

public class ClusterProperties
extends Object

Interact with solr cluster properties Note that all methods on this class make calls to ZK on every invocation. For read-only eventually-consistent uses, clients should instead call ZkStateReader.getClusterProperty(String, Object)

Constructor Summary

Constructors

Constructor and Description
ClusterProperties(SolrZkClient client) Creates a ClusterProperties object using a provided SolrZkClient

Method Summary

Modifier and Type	Method and Description
Map<String,Object>	getClusterProperties() Return the cluster properties
<T> T	getClusterProperty(String key, T defaultValue) Read the value of a cluster property, returning a default if it is not set
void	setClusterProperty(String propertyName, String propertyValue) This method sets a cluster property.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClusterProperties

public ClusterProperties(SolrZkClient client)

Creates a ClusterProperties object using a provided SolrZkClient

Method Detail

getClusterProperty

public <T> T getClusterProperty(String key,
                                T defaultValue)
                         throws IOException

Read the value of a cluster property, returning a default if it is not set

Type Parameters:

T - the type of the property

Parameters:

key - the property name

defaultValue - the default value

Returns:

the property value

Throws:

IOException - if there is an error reading the value from the cluster

getClusterProperties

public Map<String,Object> getClusterProperties()
                                        throws IOException

Return the cluster properties

Throws:

IOException - if there is an error reading properties from the cluster

setClusterProperty

public void setClusterProperty(String propertyName,
                               String propertyValue)
                        throws IOException

This method sets a cluster property.

Parameters:

propertyName - The property name to be set.

propertyValue - The value of the property.

Throws:

IOException - if there is an error writing data to the cluster