WebLogic Server 5.1.0 API Reference

weblogic.db.jdbc
Class Column

java.lang.Object
  |
  +--weblogic.db.jdbc.Column

public class Column

extends java.lang.Object

implements WLSerializable

A Column object contains the meta information for a table attribute. A Schema is made up of a collection of Column objects.

For implementation and usage see the WebLogic Server documentation.

Author:

Copyright (c) 1995-98 by WebLogic, Inc. All Rights Reserved., Copyright (c) 1999 by BEA WebXpress. All Rights Reserved.
Copyright © 2000 BEA Systems, Inc. All Rights Reserved.

See Also:

Schema, Serialized Form

Constructor Summary

Column()
Private - used for serialization

Method Summary

boolean	autoIncrement() Determines whether a Column is automatically incremented.
java.lang.String	dbKonaMethod()
java.lang.String	dbtype() Returns the data-source specific type of a Column.
void	destroy() Private - used for serialization
void	initialize() Private - used for serialization
boolean	isBigDecimal() Determines whether data type of a Column is numeric.
boolean	isBinary() Determines whether data type of a Column is Binary.
boolean	isBoolean() Determines whether data type of a Column is boolean.
boolean	isByte() Determines whether data type of a Column is a byte.
boolean	isBytes() Determines whether data type of a Column is byte[] (types BINARY, VARBINARY, or LONGVARBINARY).
boolean	isDate() Determines whether data type of a Column is a java.sql.Date.
boolean	isDouble() Determines whether data type of a Column is double.
boolean	isFloat() Determines whether data type of a Column is float.
boolean	isInt() Determines whether data type of a Column is integer.
boolean	isLong() Determines whether data type of a Column is long.
boolean	isLongVarBinary() Determines whether data type of a Column is LongVarBinary.
boolean	isShort() Determines whether data type of a Column is short.
boolean	isString() Determines whether data type of a Column is String.
boolean	isTime() Determines whether data type of a Column is a java.sql.Time.
boolean	isTimestamp() Determines whether data type of a Column is a java.sql.Timestamp.
boolean	isVarBinary() Determines whether data type of a Column is VarBinary.
java.lang.String	javaType()
int	length() Returns the storage length of a Column.
java.lang.String	name() Returns the name of a Column.
boolean	nullAllowed() Determines whether a NULL value is allowed.
int	precision() Returns the precision of a Column.
java.lang.String	preparedStatemntBindMethod()
void	readObject(WLObjectInput sis) Private - used for serialization
boolean	readOnly() Determines whether a Column is read-only.
java.lang.String	resultSetMethod()
int	scale() Returns the scale of a Column.
boolean	searchable() Determines whether a Column is searchable.
java.lang.String	type() Returns the data type of the column as a String.
int	typeEnum() Returns the data type of a Column.
void	writeObject(WLObjectOutput sos) Private - used for serialization

Methods inherited from class java.lang.Object

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

Constructor Detail

Column

public Column()

Private - used for serialization

Method Detail

name

public java.lang.String name()

Returns the name of a Column.

Returns:

Name of Column

dbtype

public java.lang.String dbtype()

Returns the data-source specific type of a Column.

Returns:

Type of Column

typeEnum

public int typeEnum()

Returns the data type of a Column. Constants for data types are defined in java.sql.Types.

Returns:

Data type of column

nullAllowed

public boolean nullAllowed()

Determines whether a NULL value is allowed.

Returns:

True if NULL values are allowed

autoIncrement

public boolean autoIncrement()

Determines whether a Column is automatically incremented.

Returns:

True if column is automatically incremented

readOnly

public boolean readOnly()

Determines whether a Column is read-only.

Returns:

True if column is read-only

searchable

public boolean searchable()

Determines whether a Column is searchable.

Returns:

True if column is searchable

scale

public int scale()

Returns the scale of a Column.

Returns:

Scale of Column

precision

public int precision()

Returns the precision of a Column.

Returns:

Precision of Column

length

public int length()

Returns the storage length of a Column.

Returns:

Length of Column

type

public java.lang.String type()

Returns the data type of the column as a String.

Returns:

Type of Column as String

javaType

public java.lang.String javaType()

dbKonaMethod

public java.lang.String dbKonaMethod()

resultSetMethod

public final java.lang.String resultSetMethod()

preparedStatemntBindMethod

public final java.lang.String preparedStatemntBindMethod()

isBoolean

public boolean isBoolean()

Determines whether data type of a Column is boolean.

Returns:

True if type boolean

isByte

public boolean isByte()

Determines whether data type of a Column is a byte.

Returns:

True if type byte

isShort

public boolean isShort()

Determines whether data type of a Column is short.

Returns:

True if type short

isInt

public boolean isInt()

Determines whether data type of a Column is integer.

Returns:

True if type integer

isLong

public boolean isLong()

Determines whether data type of a Column is long.

Returns:

True if type long

isFloat

public boolean isFloat()

Determines whether data type of a Column is float.

Returns:

True if type float.

isDouble

public boolean isDouble()

Determines whether data type of a Column is double.

Returns:

True if type double

isBigDecimal

public boolean isBigDecimal()

Determines whether data type of a Column is numeric.

Returns:

True if type numeric

isDate

public boolean isDate()

Determines whether data type of a Column is a java.sql.Date.

Returns:

True if type javas.sql.Date

isTime

public boolean isTime()

Determines whether data type of a Column is a java.sql.Time.

Returns:

True if type javas.sql.Time

isTimestamp

public boolean isTimestamp()

Determines whether data type of a Column is a java.sql.Timestamp.

Returns:

True if type javas.sql.Timestamp

isString

public boolean isString()

Determines whether data type of a Column is String.

Returns:

True if type string

isBytes

public boolean isBytes()

Determines whether data type of a Column is byte[] (types BINARY, VARBINARY, or LONGVARBINARY).

Returns:

True if type byte[]

isBinary

public boolean isBinary()

Determines whether data type of a Column is Binary.

Returns:

True if type Binary

isVarBinary

public boolean isVarBinary()

Determines whether data type of a Column is VarBinary.

Returns:

True if type VarBinary

isLongVarBinary

public boolean isLongVarBinary()

Determines whether data type of a Column is LongVarBinary.

Returns:

True if type LongVarBinary

initialize

public void initialize()

Private - used for serialization

destroy

public void destroy()

Private - used for serialization

readObject

public void readObject(WLObjectInput sis)
                throws java.io.IOException

Private - used for serialization

Specified by:

readObject in interface WLSerializable

writeObject

public void writeObject(WLObjectOutput sos)
                 throws java.io.IOException

Private - used for serialization

Specified by:

writeObject in interface WLSerializable