GarbageCollectionNotifInfoCompositeData.java 文件源码

public static String getGcAction(CompositeData cd) {
    String gcaction = getString(cd, GC_ACTION);
    if (gcaction == null) {
        throw new IllegalArgumentException("Invalid composite data: " +
            "Attribute " + GC_ACTION + " has null value");
    }
    return gcaction;
}