Package com.intellij.util.indexing

Class SingleEntryFileBasedIndexExtension<V>

java.lang.Object

com.intellij.util.indexing.IndexExtension<K,V,FileContent>

com.intellij.util.indexing.FileBasedIndexExtension<java.lang.Integer,V>

com.intellij.util.indexing.SingleEntryFileBasedIndexExtension<V>

Direct Known Subclasses:

GroovyTraitFieldsFileIndex, GroovyTraitMethodsFileIndex, ImageInfoIndex, StubUpdatingIndex

public abstract class SingleEntryFileBasedIndexExtension<V>
extends FileBasedIndexExtension<java.lang.Integer,V>

Base implementation for indices that produce single value per single file

Field Summary

Fields inherited from class com.intellij.util.indexing.FileBasedIndexExtension

EXTENSION_POINT_NAME

Constructor Summary

Constructors

Constructor and Description
SingleEntryFileBasedIndexExtension()

Method Summary

Modifier and Type	Method and Description
boolean	dependsOnFileContent()
int	getCacheSize()
static int	getFileKey(VirtualFile file) Use this method to get key for extracting the value from index
abstract SingleEntryIndexer<V>	getIndexer()
KeyDescriptor<java.lang.Integer>	getKeyDescriptor()
boolean	keyIsUniqueForIndexedFile()

Methods inherited from class com.intellij.util.indexing.FileBasedIndexExtension

getFileTypesWithSizeLimitNotApplicable, getInputFilter, getName, hasSnapshotMapping, indexDirectories, needsForwardIndexWhenSharing, traceKeyHashToVirtualFileMapping

Methods inherited from class com.intellij.util.indexing.IndexExtension

getValueExternalizer, getVersion

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleEntryFileBasedIndexExtension

public SingleEntryFileBasedIndexExtension()

Method Detail

getKeyDescriptor

public final KeyDescriptor<java.lang.Integer> getKeyDescriptor()

Specified by:

getKeyDescriptor in class IndexExtension<java.lang.Integer,V,FileContent>

dependsOnFileContent

public boolean dependsOnFileContent()

Specified by:

dependsOnFileContent in class FileBasedIndexExtension<java.lang.Integer,V>

getCacheSize

public int getCacheSize()

Overrides:

getCacheSize in class FileBasedIndexExtension<java.lang.Integer,V>

See Also:

FileBasedIndexExtension.DEFAULT_CACHE_SIZE

getIndexer

public abstract SingleEntryIndexer<V> getIndexer()

Specified by:

getIndexer in class IndexExtension<java.lang.Integer,V,FileContent>

keyIsUniqueForIndexedFile

public boolean keyIsUniqueForIndexedFile()

Overrides:

keyIsUniqueForIndexedFile in class FileBasedIndexExtension<java.lang.Integer,V>

getFileKey

public static int getFileKey(VirtualFile file)

Use this method to get key for extracting the value from index