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java.lang.Objectorg.apache.fop.fo.properties.PropertyCache
public final class PropertyCache
Dedicated cache, meant for storing canonical instances
of property-related classes.
The public access points are overloaded fetch()
methods
that each correspond to a cached type.
It is designed especially to be used concurrently by multiple threads,
drawing heavily upon the principles behind Java 1.5's
ConcurrentHashMap
.
Constructor Summary | |
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PropertyCache(java.lang.Class c)
Default constructor. |
Method Summary | |
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CommonBorderPaddingBackground.BorderInfo |
fetch(CommonBorderPaddingBackground.BorderInfo bi)
Checks if the given CommonBorderPaddingBackground.BorderInfo is present
in the cache - if so, returns a reference to the cached instance. |
CommonBorderPaddingBackground |
fetch(CommonBorderPaddingBackground cbpb)
Checks if the given CommonBorderPaddingBackground is present in the cache -
if so, returns a reference to the cached instance. |
CommonFont |
fetch(CommonFont cf)
Checks if the given CommonFont is present in the cache -
if so, returns a reference to the cached instance. |
CommonHyphenation |
fetch(CommonHyphenation chy)
Checks if the given CommonHyphenation is present in the cache -
if so, returns a reference to the cached instance. |
Marker.MarkerAttribute |
fetch(Marker.MarkerAttribute ma)
Checks if the given Marker.MarkerAttribute is present
in the cache - if so, returns a reference to the cached instance. |
Property |
fetch(Property prop)
Checks if the given Property is present in the cache -
if so, returns a reference to the cached instance. |
java.lang.String |
toString()
|
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public PropertyCache(java.lang.Class c)
c
- Runtime type of the objects that will be stored in the cacheMethod Detail |
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public Property fetch(Property prop)
Property
is present in the cache -
if so, returns a reference to the cached instance.
Otherwise the given object is added to the cache and returned.
prop
- the Property instance to check for
public CommonHyphenation fetch(CommonHyphenation chy)
CommonHyphenation
is present in the cache -
if so, returns a reference to the cached instance.
Otherwise the given object is added to the cache and returned.
chy
- the CommonHyphenation instance to check for
public CommonFont fetch(CommonFont cf)
CommonFont
is present in the cache -
if so, returns a reference to the cached instance.
Otherwise the given object is added to the cache and returned.
cf
- the CommonFont instance to check for
public CommonBorderPaddingBackground fetch(CommonBorderPaddingBackground cbpb)
CommonBorderPaddingBackground
is present in the cache -
if so, returns a reference to the cached instance.
Otherwise the given object is added to the cache and returned.
cbpb
- the CommonBorderPaddingBackground instance to check for
public CommonBorderPaddingBackground.BorderInfo fetch(CommonBorderPaddingBackground.BorderInfo bi)
CommonBorderPaddingBackground.BorderInfo
is present
in the cache - if so, returns a reference to the cached instance.
Otherwise the given object is added to the cache and returned.
bi
- the BorderInfo instance to check for
public Marker.MarkerAttribute fetch(Marker.MarkerAttribute ma)
Marker.MarkerAttribute
is present
in the cache - if so, returns a reference to the cached instance.
Otherwise the given object is added to the cache and returned.
ma
- the MarkerAttribute instance to check for
public java.lang.String toString()
toString
in class java.lang.Object
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