org.apache.flink.shaded.guava18.com.google.common.cache.Cache Java Examples

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Example #1

Source File: CompileUtils.java From flink with Apache License 2.0

5 votes

/**
 * Compiles a generated code to a Class.
 * @param cl the ClassLoader used to load the class
 * @param name  the class name
 * @param code  the generated code
 * @param <T>   the class type
 * @return  the compiled class
 */
@SuppressWarnings("unchecked")
public static <T> Class<T> compile(ClassLoader cl, String name, String code) {
	try {
		Cache<ClassLoader, Class> compiledClasses = COMPILED_CACHE.get(name,
				() -> CacheBuilder.newBuilder().maximumSize(5).weakKeys().softValues().build());
		return compiledClasses.get(cl, () -> doCompile(cl, name, code));
	} catch (Exception e) {
		throw new FlinkRuntimeException(e.getMessage(), e);
	}
}