Class GroovyObjectSupport

src/main/java/groovy/lang/GroovyObjectSupport.java:29–50

Base class for Java objects wishing to be Groovy objects.

 * Base class for Java objects wishing to be Groovy objects.
 */
public abstract class GroovyObjectSupport implements GroovyObject {

    // never persist the MetaClass
    private transient MetaClass metaClass = getDefaultMetaClass();

    /** {@inheritDoc} */
    @Override
    @Transient
    public MetaClass getMetaClass() {
        return this.metaClass;
    }

    /** {@inheritDoc} */
    @Override
    public void setMetaClass(/*@Nullable*/ final MetaClass metaClass) {
        this.metaClass = Optional.ofNullable(metaClass).orElseGet(this::getDefaultMetaClass);
    }

    private MetaClass getDefaultMetaClass() {
        return InvokerHelper.getMetaClass(this.getClass());
    }
}