/** {@inheritDoc} */
@Override
public boolean removeCheckpoint(String key) throws GridException {
A.notNull(key, "key");
synchronized (mux) {
if (closed) throw new GridException("Failed to remove checkpoint (session closed): " + this);
}
return ctx.checkpoint().removeCheckpoint(this, key);
}
/** {@inheritDoc} */
@SuppressWarnings("unchecked")
@Override
public <T> T loadCheckpoint(String key) throws GridException {
A.notNull(key, "key");
synchronized (mux) {
if (closed) throw new GridException("Failed to load checkpoint (session closed): " + this);
}
return (T) ctx.checkpoint().loadCheckpoint(this, key);
}
/** {@inheritDoc} */
@Override
public void saveCheckpoint(
String key, Object state, GridTaskSessionScope scope, long timeout, boolean overwrite)
throws GridException {
A.notNull(key, "key");
A.ensure(timeout >= 0, "timeout >= 0");
synchronized (mux) {
if (closed) throw new GridException("Failed to save checkpoint (session closed): " + this);
}
ctx.checkpoint().storeCheckpoint(this, key, state, scope, timeout, overwrite);
}