package hu.bme.mit.incquery.cep.tests.testcaseSm.main;
import org.eclipse.core.databinding.observable.Realm;
/**
* Simple realm implementation that will set itself as default when constructed. Invoke
* {@link #dispose()} to remove the realm from being the default. Does not support asyncExec(...).
*/
public class DefaultRealm extends Realm {
private Realm previousRealm;
public DefaultRealm() {
previousRealm = super.setDefault(this);
}
/**
* @return always returns true
*/
public boolean isCurrent() {
return true;
}
protected void syncExec(Runnable runnable) {
runnable.run();
}
/**
* @throws UnsupportedOperationException
*/
public void asyncExec(Runnable runnable) {
throw new UnsupportedOperationException("asyncExec is unsupported");
}
/**
* Removes the realm from being the current and sets the previous realm to the default.
*/
public void dispose() {
if (getDefault() == this) {
setDefault(previousRealm);
}
}
}