org.sat4j.pb.reader

Class OPBReader2007

java.lang.Object

org.sat4j.reader.Reader

org.sat4j.pb.reader.OPBReader2005

org.sat4j.pb.reader.OPBReader2006

org.sat4j.pb.reader.OPBReader2007

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

OPBEclipseReader2007, OPBReader2010

public class OPBReader2007
extends OPBReader2006

Reader complying with the PB07 input format. Non-linear to linear translation adapted from the PB07 readers provided by Olivier Roussel and Vasco Manquinho (was available in C++, not in Java) http://www.cril.univ-artois.fr/PB07/parser/SimpleParser.java http://www.cril.univ-artois.fr/PB07/parser/SimpleParser.cc

Author:

parrain, daniel

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected int	nbNewSymbols contains the number of new symbols generated to linearize products

Fields inherited from class org.sat4j.pb.reader.OPBReader2005

coeffs, d, hasObjFunc, hasVariablesExplanation, lits, nbConstr, nbConstraintsRead, nbVars, operator, solver

Constructor Summary

Constructors

Constructor and Description
OPBReader2007(IPBSolver solver)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	checkId(StringBuffer s)
String	decode(int[] model) Produce a model using the reader format.
void	decode(int[] model, PrintWriter out) Produce a model using the reader format on a provided printwriter.
protected boolean	isGoodFirstCharacter(char c)
protected void	literalInAProduct(String var, IVecInt lits) callback called when we read a term of a constraint
protected void	negateLiteralInAProduct(String var, IVecInt lits) callback called when we read a term of a constraint
protected void	readMetaData() read the first comment line to get the number of variables and the number of constraints in the file calls metaData with the data that was read
protected void	readTerm(StringBuffer coeff, StringBuffer var) read a term into coeff and var
protected int	translateVarToId(String var)

Methods inherited from class org.sat4j.pb.reader.OPBReader2005

beginConstraint, beginObjective, constraintRelOp, constraintRightTerm, endConstraint, endObjective, eof, eol, get, getCoeffs, getListOfVariables, getObjectiveFunction, getVars, isGoodFollowingCharacter, metaData, parse, parseInstance, parseInstance, parseInstance, putback, readConstraint, readIdentifier, readInteger, readObjective, readVariablesExplanation, readWord, skipSpaces

Methods inherited from class org.sat4j.reader.Reader

isVerbose, parseInstance, setVerbosity

Methods inherited from class java.lang.Object

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

Field Detail

nbNewSymbols

protected int nbNewSymbols

contains the number of new symbols generated to linearize products

Constructor Detail

OPBReader2007

public OPBReader2007(IPBSolver solver)

Parameters:

solver -

Method Detail

isGoodFirstCharacter

protected boolean isGoodFirstCharacter(char c)

Overrides:

isGoodFirstCharacter in class OPBReader2005

checkId

protected void checkId(StringBuffer s)
                throws ParseFormatException

Overrides:

checkId in class OPBReader2005

Throws:

ParseFormatException

readTerm

protected void readTerm(StringBuffer coeff,
            StringBuffer var)
                 throws IOException,
                        ParseFormatException

Description copied from class: OPBReader2006

read a term into coeff and var

Overrides:

readTerm in class OPBReader2006

Parameters:

coeff - the coefficient of the variable

var - the indentifier we read

Throws:

IOException

ParseFormatException

literalInAProduct

protected void literalInAProduct(String var,
                     IVecInt lits)
                          throws ParseFormatException

callback called when we read a term of a constraint

Parameters:

var - the identifier of the variable

lits - a set of literals in DIMACS format in which var once translated will be added.

Throws:

ParseFormatException

negateLiteralInAProduct

protected void negateLiteralInAProduct(String var,
                           IVecInt lits)

callback called when we read a term of a constraint

Parameters:

var - the identifier of the variable

lits - a set of literals in DIMACS format in which var once translated will be added.

readMetaData

protected void readMetaData()
                     throws IOException,
                            ParseFormatException

read the first comment line to get the number of variables and the number of constraints in the file calls metaData with the data that was read

Overrides:

readMetaData in class OPBReader2005

Throws:

IOException

ParseException

ParseFormatException

translateVarToId

protected int translateVarToId(String var)
                        throws ParseFormatException

Overrides:

translateVarToId in class OPBReader2005

Throws:

ParseFormatException

decode

public String decode(int[] model)

Description copied from class: Reader

Produce a model using the reader format.

Overrides:

decode in class OPBReader2005

Parameters:

model - a model using the Dimacs format.

Returns:

a human readable view of the model.

decode

public void decode(int[] model,
          PrintWriter out)

Description copied from class: Reader

Produce a model using the reader format on a provided printwriter.

Overrides:

decode in class OPBReader2005

Parameters:

model - a model using the Dimacs format.

out - the place where to display the model