PropertyEnv.java 文件源码

/**
 * Feature descritor that describes the property. It is feature
 * descriptor so one can plug in PropertyDescritor and also Node.Property
 * which both inherit from FeatureDescriptor
 */
void setFeatureDescriptor(FeatureDescriptor desc) {
    if (desc == null) {
        throw new IllegalArgumentException("Cannot set FeatureDescriptor to null."); //NOI18N
    }

    this.featureDescriptor = desc;

    if (featureDescriptor != null) {
        Object obj = featureDescriptor.getValue(PROP_CHANGE_IMMEDIATE);

        if (obj instanceof Boolean) {
            setChangeImmediate(((Boolean) obj).booleanValue());
        }
    }
}