GCache

一个轻量级，高性能的缓存构架，以android缓存而设计为初衷，也可以应用于一般的Java项目中。

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DiskWithMemoryCache:

GCache cache = Builders.newBuilder()
			.withTranscoder(new StringTranscoder())
			.withCacheRootDirectory(new File("diskCache"))
			.maxDiskUsageBytes(10000)
			.maxMemoryUsageBytes(1000)
			.defaultCacheTime(50)
			.build();

MemoryCache:

GCache cache = Builders.newBuilderForMemory()
			.withTranscoder(new StringTranscoder())
			.maxMemoryUsageBytes(10000)
			.defaultCacheTime(20)
			.build();

DiskBasedCache:

GCache cache = Builders.newBuilderForDisk()
			.withTranscoder(new StringTranscoder())
			.withCacheRootDirectory(new File("diskCache"))
			.maxDiskUsageBytes(1000)
			.defaultCacheTime(50)
			.build();			
			

cache.put(K, V); //use defaultCacheTime
cache.put(K, V, TTL);
cache.get(K);