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
protected class	IndexFetcher.DirectoryFileFetcher
static class	IndexFetcher.IndexFetchResult
protected class	IndexFetcher.LocalFsFileFetcher

Field Summary

Fields

Modifier and Type	Field	Description
static final String	INDEX_PROPERTIES
static final 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 Details

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 Details

IndexFetcher

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

Method Details

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()