org.apache.solr.client.solrj.cloud.autoscaling

类 PolicyHelper

java.lang.Object

org.apache.solr.client.solrj.cloud.autoscaling.PolicyHelper

public class PolicyHelper
extends Object

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	PolicyHelper.SessionWrapper
static class	PolicyHelper.Status

字段概要

字段

限定符和类型	字段和说明
static int	SESSION_EXPIRY

构造器概要

构造器

构造器和说明
PolicyHelper()

方法概要

限定符和类型	方法和说明
static MapWriter	getDiagnostics(Policy.Session session)
static MapWriter	getDiagnostics(Policy policy, SolrCloudManager cloudManager)
static PolicyHelper.SessionWrapper	getLastSessionWrapper(boolean clear) Use this to get the last used session wrapper in this thread
static List<ReplicaPosition>	getReplicaLocations(String collName, AutoScalingConfig autoScalingConfig, SolrCloudManager cloudManager, Map<String,String> optionalPolicyMapping, List<String> shardNames, int nrtReplicas, int tlogReplicas, int pullReplicas, List<String> nodesList)
static PolicyHelper.SessionWrapper	getSession(SolrCloudManager cloudManager) How to get a shared Policy Session 1) call getSession(SolrCloudManager) 2) compute all suggestions 3) call PolicyHelper.SessionWrapper.returnSession(Policy.Session) 4) perform all suggestions 5) call PolicyHelper.SessionWrapper.release()
static List<Suggester.SuggestionInfo>	getSuggestions(AutoScalingConfig autoScalingConf, SolrCloudManager cloudManager)
static List<Suggester.SuggestionInfo>	getSuggestions(AutoScalingConfig autoScalingConf, SolrCloudManager cloudManager, int max, int timeoutInSecs, SolrParams params)
static List<Suggester.SuggestionInfo>	getSuggestions(AutoScalingConfig autoScalingConf, SolrCloudManager cloudManager, SolrParams params)
static void	logState(SolrCloudManager cloudManager, Suggester suggester) Use this to dump the state of a system and to generate a testcase

从类继承的方法 java.lang.Object

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

字段详细资料

SESSION_EXPIRY

public static final int SESSION_EXPIRY

另请参阅:

常量字段值

构造器详细资料

PolicyHelper

public PolicyHelper()

方法详细资料

getReplicaLocations

public static List<ReplicaPosition> getReplicaLocations(String collName,
                                                        AutoScalingConfig autoScalingConfig,
                                                        SolrCloudManager cloudManager,
                                                        Map<String,String> optionalPolicyMapping,
                                                        List<String> shardNames,
                                                        int nrtReplicas,
                                                        int tlogReplicas,
                                                        int pullReplicas,
                                                        List<String> nodesList)

getDiagnostics

public static MapWriter getDiagnostics(Policy policy,
                                       SolrCloudManager cloudManager)

getDiagnostics

public static MapWriter getDiagnostics(Policy.Session session)

getSuggestions

public static List<Suggester.SuggestionInfo> getSuggestions(AutoScalingConfig autoScalingConf,
                                                            SolrCloudManager cloudManager,
                                                            SolrParams params)

getSuggestions

public static List<Suggester.SuggestionInfo> getSuggestions(AutoScalingConfig autoScalingConf,
                                                            SolrCloudManager cloudManager)

getSuggestions

public static List<Suggester.SuggestionInfo> getSuggestions(AutoScalingConfig autoScalingConf,
                                                            SolrCloudManager cloudManager,
                                                            int max,
                                                            int timeoutInSecs,
                                                            SolrParams params)

logState

public static void logState(SolrCloudManager cloudManager,
                            Suggester suggester)

Use this to dump the state of a system and to generate a testcase

getSession

public static PolicyHelper.SessionWrapper getSession(SolrCloudManager cloudManager)
                                              throws IOException,
                                                     InterruptedException

How to get a shared Policy Session 1) call getSession(SolrCloudManager) 2) compute all suggestions 3) call PolicyHelper.SessionWrapper.returnSession(Policy.Session) 4) perform all suggestions 5) call PolicyHelper.SessionWrapper.release()

抛出:

IOException

InterruptedException

getLastSessionWrapper

public static PolicyHelper.SessionWrapper getLastSessionWrapper(boolean clear)

Use this to get the last used session wrapper in this thread

参数:

clear - whether to unset the threadlocal or not