chemaxon.marvin.io

Class ArrayMDocSource

java.lang.Object

chemaxon.marvin.io.MDocSource

chemaxon.marvin.io.ArrayMDocSource

All Implemented Interfaces:

Closeable, AutoCloseable, Iterable<Molecule>

public class ArrayMDocSource
extends MDocSource

MDocSource implementation for an array of documents or molecules.

Since:

Marvin 5.2, 02/27/2009

Version:

5.2, 02/27/2009

Author:

Nora Mate, Peter Csizmadia

Constructor Summary

Constructors

Constructor and Description
ArrayMDocSource(List<?> list) Creates a document source for a list of documents or molecules.
ArrayMDocSource(MDocument[] docs) Creates a document source for an array of documents.
ArrayMDocSource(Molecule[] mols) Creates a document source for an array of molecules.

Method Summary

Methods

Modifier and Type	Method and Description
int	estimateNumRecords() Estimates the total number of records.
int	getRecordCount() Gets the current record number.
int	getRecordCountMax() Gets the total number of records.
boolean	isEndReached() Tests whether the end of input is already reached.
boolean	isRewindable() Tests whether rewinding (seeking backwards) is possible.
MDocument	nextDoc() Produces the next document.
void	seekRecord(int k, MProgressMonitor pmon) Seeks the specified record.
protected void	seekVisitedRecord(int k) Seeks an already visited position in case of rewindable input.
boolean	skipRecord() Skips the next document.

Methods inherited from class chemaxon.marvin.io.MDocSource

close, getDocLabel, getMoleculeIterator, iterator, seekForward, seekRecordAtFraction, skipRecords

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayMDocSource

public ArrayMDocSource(List<?> list)

Creates a document source for a list of documents or molecules.

Parameters:

list - the list of documents or molecules

ArrayMDocSource

public ArrayMDocSource(MDocument[] docs)

Creates a document source for an array of documents.

Parameters:

docs - the array of documents

ArrayMDocSource

public ArrayMDocSource(Molecule[] mols)

Creates a document source for an array of molecules.

Parameters:

mols - the array of molecules

Method Detail

nextDoc

public MDocument nextDoc()

Produces the next document.

Specified by:

nextDoc in class MDocSource

Returns:

the document or null at end of file

skipRecord

public boolean skipRecord()

Skips the next document.

Specified by:

skipRecord in class MDocSource

Returns:

true if the end of the next document is found, false if there is no chance to continue

isRewindable

public boolean isRewindable()

Tests whether rewinding (seeking backwards) is possible.

Specified by:

isRewindable in class MDocSource

Returns:

true if rewinding is possible, false otherwise

See Also:

seekRecord(int, MProgressMonitor), MDocSource.seekRecordAtFraction(double, int, int, int, MProgressMonitor)

seekRecord

public void seekRecord(int k,
              MProgressMonitor pmon)

Seeks the specified record.

Specified by:

seekRecord in class MDocSource

Parameters:

k - position

pmon - progress monitor (unused in this implementation) or null

See Also:

isRewindable(), MDocSource.seekRecordAtFraction(double, int, int, int, MProgressMonitor)

seekVisitedRecord

protected void seekVisitedRecord(int k)

Seeks an already visited position in case of rewindable input.

Specified by:

seekVisitedRecord in class MDocSource

Parameters:

k - the record index

isEndReached

public boolean isEndReached()

Tests whether the end of input is already reached.

Specified by:

isEndReached in class MDocSource

Returns:

true if the end was reached, false otherwise

getRecordCount

public int getRecordCount()

Gets the current record number.

Specified by:

getRecordCount in class MDocSource

Returns:

the record number

getRecordCountMax

public int getRecordCountMax()

Gets the total number of records.

Specified by:

getRecordCountMax in class MDocSource

Returns:

the number of records

estimateNumRecords

public int estimateNumRecords()

Estimates the total number of records.

Specified by:

estimateNumRecords in class MDocSource

Returns:

estimated number of records or -1 (at the beginning)