org.jgroups.util.Ref Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of wildfly-client-all

This artifact provides a single jar that contains all classes required to use remote Jakarta Enterprise Beans and Jakarta Messaging, including all dependencies. It is intended for use by those not using maven, maven users should just import the Jakarta Enterprise Beans and Jakarta Messaging BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

The newest version!

package org.jgroups.util;

/**
 * Keeps a reference to another object
 * @author Bela Ban
 * @since  5.2
 */
public class Ref {
    protected T obj;

    public Ref(T obj) {
        this.obj=obj;
    }

    public T get() {return obj;}

    public Ref set(T obj) {
        this.obj=obj;
        return this;
    }

    public boolean isSet() {return obj != null;}

    public String toString() {
        return String.format("ref<%s>", obj);
    }
}