org.jruby.util

Class JarCache

java.lang.Object

org.jruby.util.JarCache

class JarCache
extends java.lang.Object

Instances of JarCache provides jar index information.

Implementation is threadsafe. Since loading index information is O(jar-entries) we cache the snapshot in a WeakHashMap. The implementation pays attention to lastModified timestamp of the jar and will invalidate the cache entry if jar has been updated since the snapshot calculation.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	JarCache.JarIndex

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Map<java.lang.String,JarCache.JarIndex>	indexCache

Constructor Summary

Constructors

Constructor and Description
JarCache()

Method Summary

Modifier and Type	Method and Description
JarCache.JarIndex	getIndex(java.lang.String jarPath)

Methods inherited from class java.lang.Object

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

Field Detail

indexCache

private final java.util.Map<java.lang.String,JarCache.JarIndex> indexCache

Constructor Detail

JarCache

JarCache()

Method Detail

getIndex

public JarCache.JarIndex getIndex(java.lang.String jarPath)