com.ugos.jiprolog.extensions.database

Class JDBCClausesDatabase

java.lang.Object

com.ugos.jiprolog.engine.JIPClausesDatabase

com.ugos.jiprolog.extensions.database.JDBCClausesDatabase

public class JDBCClausesDatabase
extends JIPClausesDatabase

Field Summary

Fields

Modifier and Type	Field and Description
static String	QUOTE
static String	SEPARATOR

Constructor Summary

Constructors

Constructor and Description
JDBCClausesDatabase()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	addClause(JIPClause clause) Appends a clause to the database Note that some databases may not allow to append a clause.
boolean	addClauseAt(int nPos, JIPClause clause) Adds a clause to the database at the position specified Note that some databases may not allow to add a clause at a given position.
Enumeration	clauses() Returns an enumeration of the clauses contained in this database
void	finalize()
List<JIPClause>	getClauses()
Connection	getConnection()
ResultSet	getResultSet()
String	getSQLQuery()
String	getURL()
static boolean	isNumber(int nType)
static boolean	isString(int nType)
static boolean	isValid(int nType)
int	readNextRow(int count)
boolean	removeClause(JIPClause clause) Removes a clause from the database Note that some databases may not allow to remove a clause.
void	setAttributes(String strAttribs) Sets the attributes to pass to the database (i.e. login info, filename, etc.)

Methods inherited from class com.ugos.jiprolog.engine.JIPClausesDatabase

getArity, getFunctorName, getJIPEngine

Methods inherited from class java.lang.Object

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

Field Detail

SEPARATOR

public static final String SEPARATOR

See Also:

Constant Field Values

QUOTE

public static final String QUOTE

See Also:

Constant Field Values

Constructor Detail

JDBCClausesDatabase

public JDBCClausesDatabase()

Method Detail

getConnection

public final Connection getConnection()

getURL

public final String getURL()

getSQLQuery

public final String getSQLQuery()

setAttributes

public final void setAttributes(String strAttribs)

Description copied from class: JIPClausesDatabase

Sets the attributes to pass to the database (i.e. login info, filename, etc.)

Specified by:

setAttributes in class JIPClausesDatabase

Parameters:

strAttribs - the attributes to pass

addClauseAt

public final boolean addClauseAt(int nPos,
                  JIPClause clause)

Description copied from class: JIPClausesDatabase

Adds a clause to the database at the position specified
Note that some databases may not allow to add a clause at a given position.

Specified by:

addClauseAt in class JIPClausesDatabase

Parameters:

nPos - Position of the clause to add

clause - Clause to add

Returns:

true if the clause has been added.

See Also:

JIPClause

addClause

public final boolean addClause(JIPClause clause)

Description copied from class: JIPClausesDatabase

Appends a clause to the database
Note that some databases may not allow to append a clause.

Specified by:

addClause in class JIPClausesDatabase

Parameters:

clause - Clause to add

Returns:

true if the clause has been appended.

See Also:

JIPClause

removeClause

public final boolean removeClause(JIPClause clause)

Description copied from class: JIPClausesDatabase

Removes a clause from the database Note that some databases may not allow to remove a clause.

Specified by:

removeClause in class JIPClausesDatabase

Parameters:

clause - Clause to remove

Returns:

true if the clause has been removed.

See Also:

JIPClause

clauses

public final Enumeration clauses()

Description copied from class: JIPClausesDatabase

Returns an enumeration of the clauses contained in this database

Specified by:

clauses in class JIPClausesDatabase

Returns:

an enumeration of the clauses contained in this database

See Also:

JIPClause, JIPClausesEnumeration

getResultSet

public ResultSet getResultSet()
                       throws SQLException

Throws:

SQLException

finalize

public void finalize()

Overrides:

finalize in class Object

isNumber

public static final boolean isNumber(int nType)

isValid

public static final boolean isValid(int nType)

isString

public static final boolean isString(int nType)

readNextRow

public int readNextRow(int count)
                throws SQLException

Throws:

SQLException

getClauses

public List<JIPClause> getClauses()

Returns:

the clauseList