e4s.db
Class E4DBColumnType

java.lang.Object
  e4s.util.E4Object
      e4s.util.E4String
          e4s.db.E4DBColumnType

All Implemented Interfaces:

java.lang.Comparable

public class E4DBColumnType
extends E4String

Datatype definition for the data dictionary classes.

Since:

JDK 1.4

See Also:

E4DBFreeFieldType, E4DBColumnType

Field Summary

static E4DBColumnType	_DATATYPE_BOOL Internal datatype for boolean values.
static E4DBColumnType	_DATATYPE_DATE Internal datatype for date values (can be day, time or day & time).
static E4DBColumnType	_DATATYPE_FLOAT Internal datatype for numeric, decimal values.
static E4DBColumnType	_DATATYPE_INT Internal datatype for numeric, non decimal values.
static E4DBColumnType	_DATATYPE_STRING Internal datatype for String, length must be specified and will be between 1 and 255.
static E4DBColumnType	_DATATYPE_TEXT Internal datatype for long Text (depending on the DBMS, up to 2 GB).

Fields inherited from class e4s.util.E4String

CLASSNAME, m_maxsize, m_nullable, m_string

Fields inherited from class e4s.util.E4Object

CRLF, E4S_CORE_SYSTEM_LANGUAGE, NBSP, NULLSTR, URL_ENCODING_CHARSET

Method Summary

static java.lang.String	_getSVNVersionString() Get version info string from subversion.
boolean	equals(E4DBColumnType c2) Compare the given column-type against the column type of this object.
java.lang.String	getColumnType() Get the type of the column.
static E4DBColumnType	getInstance(java.lang.Class clazz) Finds or creates an instance of E4DBColumnType object by the given class name.
static E4DBColumnType	getInstance(java.lang.String columnType) Finds or creates an instance of E4DBColumnType object by the given column (database-field) name.
boolean	is_e4sDefinedType()
static E4DBColumnType	newInstance(java.lang.String type)
boolean	renameType(E4DBColumnType oldname, E4DBColumnType newname)
static E4DBColumnType	toColumnType(java.lang.String s) Convert from a string into a column-type object.

Methods inherited from class e4s.util.E4String

_equals, charAt, clone, compareTo, compareTo, compareTo, compareToIgnoreCase, compareToIgnoreCase, concat, concat, concat, concat, concat, cut, cut, endsWith, endsWith, equals, equals, equalsIgnoreCase, equalsIgnoreCase, fixed, fixedRight, getMaxSize, getNullable, getString, hashCode, indexOf, indexOf, indexOf, indexOf, indexOf, indexOf, lastIndexOf, lastIndexOf, lastIndexOf, lastIndexOf, lastIndexOf, lastIndexOf, left, left, length, matches, matchesIgnoreCase, regionMatches, regionMatches, regionMatches, regionMatches, remove, removeSpaces, removeSpaces, replace, replace, replace, replace, replace, replaceIgnoreCase, right, right, setMaxSize, setNullable, setString, startsWith, startsWith, startsWith, startsWith, substring, substring, toCharArray, toLowerCase, toLowerCase, toString, toUpperCase, toUpperCase, trim, validate

Methods inherited from class e4s.util.E4Object

Calendar, CName, CName, E4LabelApp, E4LabelApp, E4LabelApp, E4LabelApp, E4LabelApp, E4LabelApp, E4LabelNone, E4LabelNone, E4LabelNone, E4LabelNone, E4LabelSys, E4LabelSys, e4sCopyright, e4sVersion, encode, encode, encode, encodeHtml, encodeHtml, encodeHtml, encodeURL, encodeURL, encodeURL, finalize, getLINE, getTRACE, getTRACE, getTRACE, getTRACE, getTRACE, getTRACE, getTraceMemory, HtmlEncode, HtmlEncode, HtmlEncode, isdecimal, isdigit, isnotok, isnotok, isnumeric, isok, isok, isok, isok, lastCallingFunction, lastCallingFunction, lastCallingFunction, lastCallingFunction, lastCallingStack, mkdirs, null2nbsp, null2nbsp, null2nbsp, ok, ok, ok, ok, outPrintln, setLogFile4Trace, setTraceMemory, STACKTRACE, toDebug, toDouble, toFloat, toFloat, TRACE_CALLS, TRACE, TRACE, TRACE, TRACE, TRACE, TRACE, TRACE, TRACE, TRACE, TRACE, TRACE, TRACE, wait

Methods inherited from class java.lang.Object

equals, getClass, notify, notifyAll, wait, wait, wait

Field Detail

_DATATYPE_STRING

public static final E4DBColumnType _DATATYPE_STRING

Internal datatype for String, length must be specified and will be between 1 and 255. Index: possible
DBMS: nvarchar(n)
Java: String

_DATATYPE_TEXT

public static final E4DBColumnType _DATATYPE_TEXT

Internal datatype for long Text (depending on the DBMS, up to 2 GB). Index: not possible
DBMS: text
Java: String

_DATATYPE_INT

public static final E4DBColumnType _DATATYPE_INT

Internal datatype for numeric, non decimal values. Index: possible
DBMS: int
Java: long

_DATATYPE_FLOAT

public static final E4DBColumnType _DATATYPE_FLOAT

Internal datatype for numeric, decimal values. Index: possible
DBMS: float
Java: float

_DATATYPE_BOOL

public static final E4DBColumnType _DATATYPE_BOOL

Internal datatype for boolean values. Index: possible
DBMS: int
Java: boolean

_DATATYPE_DATE

public static final E4DBColumnType _DATATYPE_DATE

Internal datatype for date values (can be day, time or day & time). Index: possible
DBMS: nvarchar(14)
Java: java.util.Date

Method Detail

getInstance

public static E4DBColumnType getInstance(java.lang.String columnType)

Finds or creates an instance of E4DBColumnType object by the given column (database-field) name.

Parameters:

columnType - is either the name of a built in type (e.g. _DATATYPE_DATE), or a built in class (e.g. E4Client) or a user defined class (E4DBType.

See Also:

getInstance(Class)

getInstance

public static E4DBColumnType getInstance(java.lang.Class clazz)

Finds or creates an instance of E4DBColumnType object by the given class name. The column-type becomes equal to the class name without the package information.

Parameters:

clazz - is typically a built in or user defined class

See Also:

getInstance(String)

getColumnType

public java.lang.String getColumnType()

Get the type of the column.

Returns:

the type of the column as String.

is_e4sDefinedType

public boolean is_e4sDefinedType()

equals

public boolean equals(E4DBColumnType c2)

Compare the given column-type against the column type of this object.

Returns:

true if column types matches

toColumnType

public static E4DBColumnType toColumnType(java.lang.String s)

Convert from a string into a column-type object.

Parameters:

s - the string.

Returns:

the column type.

See Also:

E4DBFreeFieldType.toColumnType(String)

renameType

public boolean renameType(E4DBColumnType oldname,
                          E4DBColumnType newname)

newInstance

public static E4DBColumnType newInstance(java.lang.String type)

_getSVNVersionString

public static java.lang.String _getSVNVersionString()

Get version info string from subversion.

Returns:

the version info string.

See Also:

E4Util.getRevisionCodeFromSVN(Class)