org.apache.solr.search.function

Class FileFloatSource

java.lang.Object

org.apache.solr.search.function.ValueSource

org.apache.solr.search.function.FileFloatSource

All Implemented Interfaces:

java.io.Serializable

public class FileFloatSource
extends ValueSource

Obtains float field values from an external file.

Version:

$Id: FileFloatSource.java 1229782 2012-01-10 22:50:43Z erick $

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	FileFloatSource.Cache Internal cache.
(package private) static class	FileFloatSource.CreationPlaceholder
private static class	FileFloatSource.Entry Expert: Every composite-key in the internal cache is of this type.
static class	FileFloatSource.ReloadCacheRequestHandler

Nested classes/interfaces inherited from class org.apache.solr.search.function.ValueSource

ValueSource.ValueSourceComparator, ValueSource.ValueSourceComparatorSource, ValueSource.ValueSourceSortField

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.String	dataDir
private float	defVal
private SchemaField	field
(package private) static FileFloatSource.Cache	floatCache
private SchemaField	keyField
(package private) static java.lang.Object	onlyForTesting

Constructor Summary

Constructors

Constructor and Description
FileFloatSource(SchemaField field, SchemaField keyField, float defVal, QParser parser)

Method Summary

Modifier and Type	Method and Description
java.lang.String	description() description of field, used in explain()
boolean	equals(java.lang.Object o)
private float[]	getCachedFloats(org.apache.lucene.index.IndexReader reader)
private static float[]	getFloats(FileFloatSource ffs, org.apache.lucene.index.IndexReader reader)
DocValues	getValues(java.util.Map context, org.apache.lucene.index.IndexReader reader) Gets the values for this reader and the context that was previously passed to createWeight()
int	hashCode()
static void	resetCache()
java.lang.String	toString()

Methods inherited from class org.apache.solr.search.function.ValueSource

createWeight, getSortField, getValues, newContext

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

field

private SchemaField field

keyField

private final SchemaField keyField

defVal

private final float defVal

dataDir

private final java.lang.String dataDir

floatCache

static FileFloatSource.Cache floatCache

onlyForTesting

static java.lang.Object onlyForTesting

Constructor Detail

FileFloatSource

public FileFloatSource(SchemaField field,
                       SchemaField keyField,
                       float defVal,
                       QParser parser)

Method Detail

description

public java.lang.String description()

Description copied from class: ValueSource

description of field, used in explain()

Specified by:

description in class ValueSource

getValues

public DocValues getValues(java.util.Map context,
                           org.apache.lucene.index.IndexReader reader)
                    throws java.io.IOException

Description copied from class: ValueSource

Gets the values for this reader and the context that was previously passed to createWeight()

Overrides:

getValues in class ValueSource

Throws:

java.io.IOException

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in class ValueSource

hashCode

public int hashCode()

Specified by:

hashCode in class ValueSource

toString

public java.lang.String toString()

Overrides:

toString in class ValueSource

resetCache

public static void resetCache()

getCachedFloats

private final float[] getCachedFloats(org.apache.lucene.index.IndexReader reader)

getFloats

private static float[] getFloats(FileFloatSource ffs,
                                 org.apache.lucene.index.IndexReader reader)