Package org.apache.solr.handler

Class IndexFetcher

java.lang.Object

org.apache.solr.handler.IndexFetcher

public class IndexFetcher
extends Object

Provides functionality of downloading changed index files as well as config files and a timer for scheduling fetches from the leader.

Since:

solr 1.4

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	IndexFetcher.CompareResult
static class	IndexFetcher.IndexFetchResult

Field Summary

Fields

Modifier and Type	Field	Description
static String	INDEX_PROPERTIES
static String	REPLICATION_PROPERTIES

Constructor Summary

Constructors

Constructor	Description
IndexFetcher(org.apache.solr.common.util.NamedList<?> initArgs, ReplicationHandler handler, SolrCore sc)

Method Summary

Modifier and Type	Method	Description
protected static IndexFetcher.CompareResult	compareFile(org.apache.lucene.store.Directory indexDir, String filename, Long backupIndexFileLen, Long backupIndexFileChecksum)
void	destroy()
org.apache.solr.common.util.NamedList<Object>	getLatestVersion()	Gets the latest commit version and generation from the leader
protected <T> T	getParameter(org.apache.solr.common.util.NamedList<?> initArgs, String configKey, T defaultValue, StringBuilder sb)

Methods inherited from class java.lang.Object

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

Field Detail

INDEX_PROPERTIES

public static final String INDEX_PROPERTIES

See Also:

Constant Field Values

REPLICATION_PROPERTIES

public static final String REPLICATION_PROPERTIES

See Also:

Constant Field Values

Constructor Detail

IndexFetcher

public IndexFetcher(org.apache.solr.common.util.NamedList<?> initArgs,
                    ReplicationHandler handler,
                    SolrCore sc)

Method Detail

getParameter

protected <T> T getParameter(org.apache.solr.common.util.NamedList<?> initArgs,
                             String configKey,
                             T defaultValue,
                             StringBuilder sb)

getLatestVersion

public org.apache.solr.common.util.NamedList<Object> getLatestVersion()
                                                               throws IOException

Gets the latest commit version and generation from the leader

Throws:

IOException

compareFile

protected static IndexFetcher.CompareResult compareFile(org.apache.lucene.store.Directory indexDir,
                                                        String filename,
                                                        Long backupIndexFileLen,
                                                        Long backupIndexFileChecksum)

destroy

public void destroy()