jet.connect
Class DbValue

java.lang.Object
  jet.connect.DbValue

Direct Known Subclasses:

DbBinary, DbBit, DbChar, DbDateTime, DbNumber, fArray

public abstract class DbValue
extends java.lang.Object

A abstract class that provides a set of methods to convert data between an JDBC data type to Java data types.

Field Summary

boolean	bNull
static DbColDesc	CHAR_DESC
static DbColDesc	CURRENCY_DESC
static DbColDesc	DATE_DESC
DbColDesc	desc
static DbColDesc	DOUBLE_DESC
static DbColDesc	INTEGER_DESC
static DbColDesc	TIME_DESC

Constructor Summary

DbValue()

DbValue(DbColDesc desc)

Method Summary

abstract java.lang.Object	clone() Creates a clone of this DbValue variable.
abstract int	compareTo(DbValue v) Compare with the dbvalue v;
abstract boolean	equals(DbValue v) Determine if another DbValue object is of equal value as this DbValue Object
boolean	equals(java.lang.Object v)
DbColDesc	getColDesc()
int	getPrecision()
int	getScale()
int	getSqlType() Returns the SqlType.
boolean	isCurrency() Is this object a cash value?
boolean	isNull() Returns the value null state.
static DbValue	makeDbValue(DbColDesc desc) Make a dbvalue with the column description.
abstract void	set(DbValue v) Set the value with DbValue.
void	set(JRHierarchicalDataset hds, int col)
abstract void	set(java.sql.ResultSet rs, int col) Set the value with result set.
void	setColDesc(DbColDesc desc)
void	setfoo(DbValue v)
void	setNull() Set the value to null.
void	setValue(DbValue v)
abstract void	setValue(java.lang.String v) Set the value with a string.
abstract java.lang.String	toString() Convert the value to string.

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

desc

public DbColDesc desc

bNull

public boolean bNull

DOUBLE_DESC

public static DbColDesc DOUBLE_DESC

CURRENCY_DESC

public static DbColDesc CURRENCY_DESC

DATE_DESC

public static DbColDesc DATE_DESC

TIME_DESC

public static DbColDesc TIME_DESC

CHAR_DESC

public static DbColDesc CHAR_DESC

INTEGER_DESC

public static DbColDesc INTEGER_DESC

Constructor Detail

DbValue

public DbValue()

DbValue

public DbValue(DbColDesc desc)

Method Detail

getSqlType

public int getSqlType()

Returns the SqlType.

Returns:

SqlType, which is one of the following:

• Db.SQL_BIGINT
• Db.SQL_BINARY
• Db.SQL_BIT
• Db.SQL_CHAR
• Db.SQL_DATE
• Db.SQL_DECIMAL
• Db.SQL_FLOAT
• Db.SQL_INTEGER
• Db.SQL_LONGVARBINARY
• Db.SQL_LONGVARCHAR
• Db.SQL_NUMERIC
• Db.SQL_REAL
• Db.SQL_SMALLINT
• Db.SQL_TIME
• Db.SQL_TIMESTAMP
• Db.SQL_TINYINT
• Db.SQL_VARBINARY
• Db.SQL_VARCHAR

getPrecision

public int getPrecision()

getScale

public int getScale()

getColDesc

public DbColDesc getColDesc()

setColDesc

public void setColDesc(DbColDesc desc)

isCurrency

public boolean isCurrency()

Is this object a cash value?

Returns:

true if so.

See Also:

Db.SQL_DECIMAL

Db.SQL_NUMERIC, BigDecimal

isNull

public boolean isNull()

Returns the value null state.

Returns:

true null

setNull

public void setNull()

Set the value to null.

set

public abstract void set(java.sql.ResultSet rs,
                         int col)
                  throws java.sql.SQLException

Set the value with result set.

Parameters:

rs - the source value result set.

col - the source value column number in the rs.

Throws:

java.sql.SQLException

set

public void set(JRHierarchicalDataset hds,
                int col)
         throws java.sql.SQLException

Throws:

java.sql.SQLException

set

public abstract void set(DbValue v)

Set the value with DbValue.

setValue

public void setValue(DbValue v)

setfoo

public void setfoo(DbValue v)

clone

public abstract java.lang.Object clone()

Creates a clone of this DbValue variable.

Overrides:

clone in class java.lang.Object

equals

public abstract boolean equals(DbValue v)

Determine if another DbValue object is of equal value as this DbValue Object

equals

public boolean equals(java.lang.Object v)

Overrides:

equals in class java.lang.Object

setValue

public abstract void setValue(java.lang.String v)

Set the value with a string.

compareTo

public abstract int compareTo(DbValue v)

Compare with the dbvalue v;

Returns:

LESS, EQUAL, GREAT.

makeDbValue

public static final DbValue makeDbValue(DbColDesc desc)

Make a dbvalue with the column description.

toString

public abstract java.lang.String toString()

Convert the value to string.

Overrides:

toString in class java.lang.Object