org.apache.lucene.codecs.simpletext

Class SimpleTextStoredFieldsReader

java.lang.Object

org.apache.lucene.codecs.StoredFieldsReader

org.apache.lucene.codecs.simpletext.SimpleTextStoredFieldsReader

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.lang.Cloneable, Accountable

public class SimpleTextStoredFieldsReader
extends StoredFieldsReader

reads plaintext stored fields

FOR RECREATIONAL USE ONLY

Field Summary

Fields

Modifier and Type	Field and Description
private static long	BASE_RAM_BYTES_USED
private FieldInfos	fieldInfos
private IndexInput	in
private long[]	offsets
private BytesRefBuilder	scratch
private CharsRefBuilder	scratchUTF16

Constructor Summary

Constructors

Constructor and Description
SimpleTextStoredFieldsReader(Directory directory, SegmentInfo si, FieldInfos fn, IOContext context)
SimpleTextStoredFieldsReader(long[] offsets, IndexInput in, FieldInfos fieldInfos)

Method Summary

Modifier and Type	Method and Description
void	checkIntegrity() Checks consistency of this reader.
StoredFieldsReader	clone()
void	close()
private boolean	equalsAt(BytesRef a, BytesRef b, int bOffset)
private int	parseIntAt(int offset)
long	ramBytesUsed() Return the memory usage of this object in bytes.
private void	readField(BytesRef type, FieldInfo fieldInfo, StoredFieldVisitor visitor)
private void	readIndex(int size)
private void	readLine()
java.lang.String	toString()
void	visitDocument(int n, StoredFieldVisitor visitor) Visit the stored fields for document docID

Methods inherited from class org.apache.lucene.codecs.StoredFieldsReader

getMergeInstance

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.lucene.util.Accountable

getChildResources

Field Detail

BASE_RAM_BYTES_USED

private static final long BASE_RAM_BYTES_USED

offsets

private long[] offsets

in

private IndexInput in

scratch

private BytesRefBuilder scratch

scratchUTF16

private CharsRefBuilder scratchUTF16

fieldInfos

private final FieldInfos fieldInfos

Constructor Detail

SimpleTextStoredFieldsReader

public SimpleTextStoredFieldsReader(Directory directory,
                                    SegmentInfo si,
                                    FieldInfos fn,
                                    IOContext context)
                             throws java.io.IOException

Throws:

java.io.IOException

SimpleTextStoredFieldsReader

SimpleTextStoredFieldsReader(long[] offsets,
                             IndexInput in,
                             FieldInfos fieldInfos)

Method Detail

readIndex

private void readIndex(int size)
                throws java.io.IOException

Throws:

java.io.IOException

visitDocument

public void visitDocument(int n,
                          StoredFieldVisitor visitor)
                   throws java.io.IOException

Description copied from class: StoredFieldsReader

Visit the stored fields for document docID

Specified by:

visitDocument in class StoredFieldsReader

Throws:

java.io.IOException

readField

private void readField(BytesRef type,
                       FieldInfo fieldInfo,
                       StoredFieldVisitor visitor)
                throws java.io.IOException

Throws:

java.io.IOException

clone

public StoredFieldsReader clone()

Specified by:

clone in class StoredFieldsReader

close

public void close()
           throws java.io.IOException

Throws:

java.io.IOException

readLine

private void readLine()
               throws java.io.IOException

Throws:

java.io.IOException

parseIntAt

private int parseIntAt(int offset)

equalsAt

private boolean equalsAt(BytesRef a,
                         BytesRef b,
                         int bOffset)

ramBytesUsed

public long ramBytesUsed()

Description copied from interface: Accountable

Return the memory usage of this object in bytes. Negative values are illegal.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

checkIntegrity

public void checkIntegrity()
                    throws java.io.IOException

Description copied from class: StoredFieldsReader

Checks consistency of this reader.

Note that this may be costly in terms of I/O, e.g. may involve computing a checksum value against large data files.

Specified by:

checkIntegrity in class StoredFieldsReader

Throws:

java.io.IOException