Class FileFormatMPS

java.lang.Object

org.ojalgo.optimisation.FileFormatMPS

final class FileFormatMPS
extends Object

Mathematical Programming System (MPS) parser

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static enum	FileFormatMPS.BoundType	BoundType used with the BOUNDS section.
(package private) final class	FileFormatMPS.Column
(package private) static enum	FileFormatMPS.ColumnMarker
(package private) static interface	FileFormatMPS.FieldPredicate
(package private) static enum	FileFormatMPS.FileSection
(package private) final class	FileFormatMPS.Row
(package private) static enum	FileFormatMPS.RowType	RowType used with the ROWS and RANGES sections.

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	COMMENT
private static final String	COMMENT_REF	Seems to be used in problem headers/comment to mark references to authors and such
private static final int[]	FIELD_START
private static final String	INTEND
private static final String	INTORG
private static final String	MARKER
private static final String	MAX
private final Map<String, FileFormatMPS.Column>	myColumns
private final FileFormatMPS.FieldPredicate	myExistingColumn
private final FileFormatMPS.FieldPredicate	myExistingRow
private final String[]	myFields
private String	myIdBOUNDS
private String	myIdRANGES
private String	myIdRHS
private String	myIdRowN
private boolean	myIntegerMarker
private final FileFormatMPS.FieldPredicate	myMatchingBOUNDS
private final FileFormatMPS.FieldPredicate	myMatchingRANGES
private final FileFormatMPS.FieldPredicate	myMatchingRHS
private final ExpressionsBasedModel	myModel
private String	myName
private Expression	myQuadObjExpr
private final Map<String, FileFormatMPS.Row>	myRows
private final FileFormatMPS.FieldPredicate[]	myVerifierBOUNDS
private final FileFormatMPS.FieldPredicate[]	myVerifierCOLUMNS
private final FileFormatMPS.FieldPredicate[]	myVerifierQ
private final FileFormatMPS.FieldPredicate[]	myVerifierRANGES
private final FileFormatMPS.FieldPredicate[]	myVerifierRHS
private final FileFormatMPS.FieldPredicate[]	myVerifierROWS
private static final String	SPACE

Constructor Summary

Constructors

Constructor	Description
FileFormatMPS()

Method Summary

Modifier and Type	Method	Description
private void	extractFields(String line, FileFormatMPS.FieldPredicate[] verifiers)
private ExpressionsBasedModel	getModel()
private FileFormatMPS.FileSection	identifySection(String line)
(package private) boolean	nameColumns(String line, String field)
(package private) boolean	nameRows(String line, String field)
private void	parseSectionLine(FileFormatMPS.FileSection section, String line)
(package private) static ExpressionsBasedModel	read(InputStream input)
String	toString()

Methods inherited from class Object

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

Field Details

COMMENT

private static final String COMMENT

See Also:

• Constant Field Values

COMMENT_REF

private static final String COMMENT_REF

Seems to be used in problem headers/comment to mark references to authors and such

See Also:

• Constant Field Values

FIELD_START

private static final int[] FIELD_START

INTEND

private static final String INTEND

See Also:

• Constant Field Values

INTORG

private static final String INTORG

See Also:

• Constant Field Values

MARKER

private static final String MARKER

See Also:

• Constant Field Values

MAX

private static final String MAX

See Also:

• Constant Field Values

SPACE

private static final String SPACE

See Also:

• Constant Field Values

myRows

private final Map<String, FileFormatMPS.Row> myRows

myColumns

private final Map<String, FileFormatMPS.Column> myColumns

myExistingColumn

private final FileFormatMPS.FieldPredicate myExistingColumn

myExistingRow

private final FileFormatMPS.FieldPredicate myExistingRow

myFields

private final String[] myFields

myIdBOUNDS

private String myIdBOUNDS

myIdRANGES

private String myIdRANGES

myIdRHS

private String myIdRHS

myIdRowN

private String myIdRowN

myIntegerMarker

private boolean myIntegerMarker

myMatchingBOUNDS

private final FileFormatMPS.FieldPredicate myMatchingBOUNDS

myMatchingRANGES

private final FileFormatMPS.FieldPredicate myMatchingRANGES

myMatchingRHS

private final FileFormatMPS.FieldPredicate myMatchingRHS

myModel

private final ExpressionsBasedModel myModel

myName

private String myName

myQuadObjExpr

private Expression myQuadObjExpr

myVerifierBOUNDS

private final FileFormatMPS.FieldPredicate[] myVerifierBOUNDS

myVerifierCOLUMNS

private final FileFormatMPS.FieldPredicate[] myVerifierCOLUMNS

myVerifierQ

private final FileFormatMPS.FieldPredicate[] myVerifierQ

myVerifierRANGES

private final FileFormatMPS.FieldPredicate[] myVerifierRANGES

myVerifierRHS

private final FileFormatMPS.FieldPredicate[] myVerifierRHS

myVerifierROWS

private final FileFormatMPS.FieldPredicate[] myVerifierROWS

Constructor Details

FileFormatMPS

FileFormatMPS()

Method Details

read

static ExpressionsBasedModel read(InputStream input)

toString

public String toString()

Overrides:

toString in class Object

extractFields

private void extractFields(String line,
 FileFormatMPS.FieldPredicate[] verifiers)

getModel

private ExpressionsBasedModel getModel()

identifySection

private FileFormatMPS.FileSection identifySection(String line)

parseSectionLine

private void parseSectionLine(FileFormatMPS.FileSection section,
 String line)

nameColumns

boolean nameColumns(String line,
 String field)

nameRows

boolean nameRows(String line,
 String field)