GcInfoCompositeData.java 文件源码

public static Map<String, MemoryUsage>
        getMemoryUsageBeforeGc(CompositeData cd) {
    try {
        TabularData td = (TabularData) cd.get(MEMORY_USAGE_BEFORE_GC);
        return cast(memoryUsageMapType.toJavaTypeData(td));
    } catch (InvalidObjectException | OpenDataException e) {
        // Should never reach here
        throw new AssertionError(e);
    }
}