org.apache.lucene.search

Interface ExtendedFieldCache

All Superinterfaces:

FieldCache

public interface ExtendedFieldCache
extends FieldCache

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	ExtendedFieldCache.DoubleParser
static interface	ExtendedFieldCache.LongParser

Nested classes/interfaces inherited from interface org.apache.lucene.search.FieldCache

FieldCache.ByteParser, FieldCache.FloatParser, FieldCache.IntParser, FieldCache.ShortParser, FieldCache.StringIndex

Field Summary

Fields

Modifier and Type	Field and Description
static ExtendedFieldCache	EXT_DEFAULT

Fields inherited from interface org.apache.lucene.search.FieldCache

DEFAULT, STRING_INDEX

Method Summary

Modifier and Type	Method and Description
double[]	getDoubles(IndexReader reader, java.lang.String field) Checks the internal cache for an appropriate entry, and if none is found, reads the terms in field as integers and returns an array of size reader.maxDoc() of the value each document has in the given field.
double[]	getDoubles(IndexReader reader, java.lang.String field, ExtendedFieldCache.DoubleParser parser) Checks the internal cache for an appropriate entry, and if none is found, reads the terms in field as doubles and returns an array of size reader.maxDoc() of the value each document has in the given field.
long[]	getLongs(IndexReader reader, java.lang.String field) Checks the internal cache for an appropriate entry, and if none is found, reads the terms in field as longs and returns an array of size reader.maxDoc() of the value each document has in the given field.
long[]	getLongs(IndexReader reader, java.lang.String field, ExtendedFieldCache.LongParser parser) Checks the internal cache for an appropriate entry, and if none is found, reads the terms in field as longs and returns an array of size reader.maxDoc() of the value each document has in the given field.

Methods inherited from interface org.apache.lucene.search.FieldCache

getAuto, getBytes, getBytes, getCustom, getFloats, getFloats, getInts, getInts, getShorts, getShorts, getStringIndex, getStrings

Field Detail

EXT_DEFAULT

static final ExtendedFieldCache EXT_DEFAULT

Method Detail

getLongs

long[] getLongs(IndexReader reader,
                java.lang.String field)
         throws java.io.IOException

Checks the internal cache for an appropriate entry, and if none is found, reads the terms in field as longs and returns an array of size reader.maxDoc() of the value each document has in the given field.

Parameters:

reader - Used to get field values.

field - Which field contains the longs.

Returns:

The values in the given field for each document.

Throws:

java.io.IOException - If any error occurs.

getLongs

long[] getLongs(IndexReader reader,
                java.lang.String field,
                ExtendedFieldCache.LongParser parser)
         throws java.io.IOException

Checks the internal cache for an appropriate entry, and if none is found, reads the terms in field as longs and returns an array of size reader.maxDoc() of the value each document has in the given field.

Parameters:

reader - Used to get field values.

field - Which field contains the longs.

parser - Computes integer for string values.

Returns:

The values in the given field for each document.

Throws:

java.io.IOException - If any error occurs.

getDoubles

double[] getDoubles(IndexReader reader,
                    java.lang.String field)
             throws java.io.IOException

Checks the internal cache for an appropriate entry, and if none is found, reads the terms in field as integers and returns an array of size reader.maxDoc() of the value each document has in the given field.

Parameters:

reader - Used to get field values.

field - Which field contains the doubles.

Returns:

The values in the given field for each document.

Throws:

java.io.IOException - If any error occurs.

getDoubles

double[] getDoubles(IndexReader reader,
                    java.lang.String field,
                    ExtendedFieldCache.DoubleParser parser)
             throws java.io.IOException

Checks the internal cache for an appropriate entry, and if none is found, reads the terms in field as doubles and returns an array of size reader.maxDoc() of the value each document has in the given field.

Parameters:

reader - Used to get field values.

field - Which field contains the doubles.

parser - Computes integer for string values.

Returns:

The values in the given field for each document.

Throws:

java.io.IOException - If any error occurs.