io.nflow.engine.workflow.definition.Mutable Maven / Gradle / Ivy
package io.nflow.engine.workflow.definition;
import java.util.Objects;
/**
* Wrapper class to provide mutable object for immutable value.
*
* @param The class of object to be wrapped.
*/
public class Mutable {
/**
* The wrapped value.
*/
public T val;
/**
* Default constructor.
*/
public Mutable() {}
/**
* Creates a wrapper for {@code val}.
*
* @param val Any object to be wrapped.
*/
public Mutable(T val) {
this.val = val;
}
/**
* Sets the new value for {@code val}.
*
* @param val New value.
*/
public void setVal(T val) {
this.val = val;
}
/**
* Returns the wrapped value.
*
* @return Wrapped value.
*/
public T getVal() {
return val;
}
/**
* Returns the string representation of the {@code val}.
*
* @return String representation.
*/
@Override
public String toString() {
return String.valueOf(val);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
Mutable mutable = (Mutable) o;
return Objects.equals(val, mutable.val);
}
@Override
public int hashCode() {
return Objects.hash(val);
}
}