org.openstreetmap.josm.gui.mappaint

Class StyleCache

java.lang.Object

org.openstreetmap.josm.gui.mappaint.DividedScale<StyleElementList>

org.openstreetmap.josm.gui.mappaint.StyleCache

public final class StyleCache
extends DividedScale<StyleElementList>

Caches styles for a single primitive.

Nested Class Summary

Nested classes/interfaces inherited from class org.openstreetmap.josm.gui.mappaint.DividedScale

DividedScale.RangeViolatedError

Field Summary

Fields

Modifier and Type	Field and Description
static StyleCache	EMPTY_STYLECACHE
private static Storage<StyleCache>	internPool

Constructor Summary

Constructors

Modifier	Constructor and Description
private	StyleCache()
private	StyleCache(StyleCache sc)

Method Summary

Modifier and Type	Method and Description
private StyleCache	intern() Like String.intern() (reduce memory consumption).
StyleCache	put(StyleElementList o, Range r) Add data object which is valid for the given range.

Methods inherited from class org.openstreetmap.josm.gui.mappaint.DividedScale

consistencyTest, equals, get, getWithRange, hashCode, putImpl, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

internPool

private static final Storage<StyleCache> internPool

EMPTY_STYLECACHE

public static final StyleCache EMPTY_STYLECACHE

Constructor Detail

StyleCache

private StyleCache(StyleCache sc)

StyleCache

private StyleCache()

Method Detail

put

public StyleCache put(StyleElementList o,
                      Range r)

Add data object which is valid for the given range. This is only possible, if there is no data for the given range yet.

Overrides:

put in class DividedScale<StyleElementList>

Parameters:

o - data object

r - the valid range

Returns:

a new, updated, DividedScale object

intern

private StyleCache intern()

Like String.intern() (reduce memory consumption). StyleCache must not be changed after it has been added to the intern pool.

Returns:

style cache