infovis.column
Class StringColumn

java.lang.Object
  infovis.utils.ChangeManager
      infovis.column.AbstractColumn
          infovis.column.BasicColumn
              infovis.column.BasicObjectColumn
                  infovis.column.StringColumn

All Implemented Interfaces:

IntComparator, Column, Metadata, Constants, RowComparator, Serializable

public class StringColumn
extends BasicObjectColumn

A Column of Strings.

Version:

$Revision: 1.42 $

Author:

fekete

See Also:

Serialized Form

InfoVis factory arguments:

ColumnFactory "string" DENSE

Field Summary

Fields inherited from class infovis.column.AbstractColumn

MODIFIED_ALL, MODIFIED_NONE

Fields inherited from interface infovis.metadata.Constants

CONTRIBUTOR, COVERAGE, CREATOR, DATE, DESCRITION, FORMAT, IDENTIFIER, LANGUAGE, PUBLISHER, RELATION, RIGHTS, SOURCE, SUBJECT, TITLE, TYPE

Constructor Summary

StringColumn(String name)
Creates a new StringColumn object.

StringColumn(String name, int reserve)
Creates a new StringColumn object.

Method Summary

Object	definedValue() Returns the instance of a value defined with the right type for this column.
static StringColumn	findColumn(Table t, String name) Returns a column as a StringColumn from a table, creating it if needed.
String	get(int index) Returns the element at the specified position in this column.
static StringColumn	getColumn(Table t, int index) Returns a column as a StringColumn from an Table.
static StringColumn	getColumn(Table t, String name) Returns a column as a StringColumn from a Table.
Class	getValueClass() Returns the class of the elements.
void	set(int index, String element) Replaces the element at the specified position in this column with the specified element.

Methods inherited from class infovis.column.BasicObjectColumn

add, capacity, clear, compare, compare, compareValues, ensureCapacity, fill, format, getObjectAt, getOrder, getValueAt, getValueReference, hasUndefinedValue, indexOf, isValueUndefined, parse, remove, remove, setExtend, setObjectAt, setOrder, setSize, setValueAt, setValueUndefined, size

Methods inherited from class infovis.column.BasicColumn

addValue, addValueOrNull, firstValidRow, getClientProperty, getFormat, getMaxIndex, getMetadata, getMinIndex, getName, isEmpty, isInternal, iterator, lastValidRow, setFormat, setName, setValueOrNullAt, toString

Methods inherited from class infovis.column.AbstractColumn

addChangeListener, computeValueMap, computeValueMap, equalObj, equals, getLastModifiedRow

Methods inherited from class infovis.utils.ChangeManager

disableNotify, enableNotify, getModCount, removeChangeListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface infovis.Column

disableNotify, enableNotify, removeChangeListener

Constructor Detail

StringColumn

public StringColumn(String name)

Creates a new StringColumn object.

Parameters:

name - the column name.

StringColumn

public StringColumn(String name,
                    int reserve)

Creates a new StringColumn object.

Parameters:

name - the column name.

reserve - the initial capacity.

Method Detail

get

public String get(int index)

Returns the element at the specified position in this column.

Parameters:

index - index of element to return.

Returns:

the element at the specified position in this column.

set

public void set(int index,
                String element)

Replaces the element at the specified position in this column with the specified element.

Parameters:

index - index of element to replace.

element - element to be stored at the specified position.

getColumn

public static StringColumn getColumn(Table t,
                                     int index)

Returns a column as a StringColumn from an Table.

Parameters:

t - the Table

index - index in the Table

Returns:

a StringColumn or null if no such column exists or the column is not a StringColumn.

getColumn

public static StringColumn getColumn(Table t,
                                     String name)

Returns a column as a StringColumn from a Table.

Parameters:

t - the Table

name - the column name.

Returns:

a StringColumn or null if no such column exists or the column is not a StringColumn.

findColumn

public static StringColumn findColumn(Table t,
                                      String name)

Returns a column as a StringColumn from a table, creating it if needed.

Parameters:

t - the Table

name - the column name.

Returns:

a column as a StringColumn from a table,

getValueClass

public Class getValueClass()

Returns the class of the elements.

Specified by:

getValueClass in interface Column

Overrides:

getValueClass in class BasicObjectColumn

Returns:

the class of the elements.

definedValue

public Object definedValue()

Returns the instance of a value defined with the right type for this column.

Specified by:

definedValue in class BasicObjectColumn

Returns:

the instance of a value defined with the right type for this column.