com.hume.datahub

Class HubTableColumn

Object

HubTableColumn

public class HubTableColumn
extends Object

Datahub Table Column class. Has some static methods to obtain column name lists.

Field Summary

Fields

Modifier and Type	Field and Description
static int	NAME_MAX
static int	TYPE_INT
static int	TYPE_LONG
static int	TYPE_REAL
static int	TYPE_VARCHAR

Constructor Summary

Constructors

Constructor and Description
HubTableColumn(String name, int type, int len, int seq, Field f, boolean isKey)

Method Summary

Methods

Modifier and Type	Method and Description
String	getName() Obtain the original name passed to the constructor but possibly truncated to NAME_MAX characters in length.
int	getSequence() Return the column index.
int	getType() the HubTableColumn.TYPE_* column data type
int	getVarcharLen() Maximum declared length of a varchar field
void	javaDeclare(StringBuilder sb, boolean instanceDeclare) Return a java declaration phrase for the column field such as "int columnName"
static String	listNames(HubTableColumn[] columns) return a list of names for the specified columns
static String	namesCommaList(HubTableColumn[] columns) Obtain a comma separated list of column names.

Methods inherited from class Object

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

Field Detail

NAME_MAX

public static final int NAME_MAX

See Also:

Constant Field Values

TYPE_INT

public static final int TYPE_INT

See Also:

Constant Field Values

TYPE_LONG

public static final int TYPE_LONG

See Also:

Constant Field Values

TYPE_REAL

public static final int TYPE_REAL

See Also:

Constant Field Values

TYPE_VARCHAR

public static final int TYPE_VARCHAR

See Also:

Constant Field Values

Constructor Detail

HubTableColumn

public HubTableColumn(String name,
              int type,
              int len,
              int seq,
              Field f,
              boolean isKey)

Method Detail

getName

public String getName()

Obtain the original name passed to the constructor but possibly truncated to NAME_MAX characters in length.

Returns:

the column name

getSequence

public int getSequence()

Return the column index.

Returns:

the sequence value starting from 0

getType

public int getType()

the HubTableColumn.TYPE_* column data type

Returns:

integer type code

getVarcharLen

public int getVarcharLen()

Maximum declared length of a varchar field

Returns:

the length

javaDeclare

public void javaDeclare(StringBuilder sb,
               boolean instanceDeclare)

Return a java declaration phrase for the column field such as "int columnName"

Parameters:

sb - a StringBuilder for the returned data

instanceDeclare - whether to surround the result with "Public " and ";\n"

listNames

public static String listNames(HubTableColumn[] columns)

return a list of names for the specified columns

Parameters:

columns - should not be null

Returns:

space separated list

namesCommaList

public static String namesCommaList(HubTableColumn[] columns)

Obtain a comma separated list of column names.

Parameters:

columns - should not be null

Returns:

comma separated list of column names