com.google.gwt.dev.javac

Class UnitCacheSingleton

java.lang.Object

com.google.gwt.dev.javac.UnitCacheSingleton

public class UnitCacheSingleton
extends Object

Lazily creates a singleton cache for CompilationUnit instances.

Field Summary

Fields

Modifier and Type	Field and Description
static String	GWT_PERSISTENTUNITCACHE

Constructor Summary

Constructors

Constructor and Description
UnitCacheSingleton()

Method Summary

Modifier and Type	Method and Description
static void	clearCache() If a cache exists, asks it to clear its contents.
static UnitCache	get(TreeLogger logger, File specifiedCacheDir, File fallbackCacheDir, JJSOptions options) If the cache is enabled, instantiates the cache and begins loading units into memory in a background thread.
static UnitCache	get(TreeLogger logger, File specifiedCacheDir, JJSOptions options) If the cache is enabled, instantiates the cache and begins loading units into memory in a background thread.
static String	getRelevantOptionsHash(JJSOptions options)

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, toString

Field Detail

GWT_PERSISTENTUNITCACHE

public static final String GWT_PERSISTENTUNITCACHE

See Also:

Constant Field Values

Constructor Detail

UnitCacheSingleton

public UnitCacheSingleton()

Method Detail

clearCache

public static void clearCache()
                       throws UnableToCompleteException

If a cache exists, asks it to clear its contents.

Throws:

UnableToCompleteException

getRelevantOptionsHash

public static String getRelevantOptionsHash(JJSOptions options)

get

public static UnitCache get(TreeLogger logger,
                            File specifiedCacheDir,
                            JJSOptions options)

If the cache is enabled, instantiates the cache and begins loading units into memory in a background thread. If the cache is not enabled, it clears out any old cached files.

Only one instance of the cache is instantiated. If a previously created cache exists, the previous instance is returned.

The specified cache dir parameter is optional.

get

public static UnitCache get(TreeLogger logger,
                            File specifiedCacheDir,
                            File fallbackCacheDir,
                            JJSOptions options)

If the cache is enabled, instantiates the cache and begins loading units into memory in a background thread. If the cache is not enabled, it clears out any old cached files.

Only one instance of the cache is instantiated. If a previously created cache exists, the previous instance is returned.

Both specified and fallback cache dir parameters are optional.