org.pentaho.reporting.libraries.base.util

Class Empty

java.lang.Object

org.pentaho.reporting.libraries.base.util.Empty

public final class Empty
extends Object

Class which holds a static reference to a set of empty objects. This is created for performance reasons. Using this class will prevent creating duplicated "empty" object.

Author:

David Kincade

Field Summary

Fields

Modifier and Type	Field and Description
static List	LIST Deprecated. this is a redeclaration of the Collections.EMPTY_LIST field and should be killed.
static Map	MAP Deprecated. this is a redeclaration of the Collections.EMPTY_MAP field and should be killed.
static String	STRING The empty string.
static String[]	STRING_ARRAY An empty array of Strings.

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

STRING

public static final String STRING

The empty string.

See Also:

Constant Field Values

STRING_ARRAY

public static final String[] STRING_ARRAY

An empty array of Strings.

MAP

public static final Map MAP

Deprecated. this is a redeclaration of the Collections.EMPTY_MAP field and should be killed.

An empty Map. (Collections.EMPTY_MAP is not available until JDK 1.4)

LIST

public static final List LIST

Deprecated. this is a redeclaration of the Collections.EMPTY_LIST field and should be killed.

An empty List.