public void setStateBackend(StateBackend backend) {
		if (backend != null) {
			try {
				InstantiationUtil.writeObjectToConfig(backend, this.config, STATE_BACKEND);
			} catch (Exception e) {
				throw new StreamTaskException("Could not serialize stateHandle provider.", e);
			}
		}
	}
public void setStateBackend ( StateBackend backend ) { if ( backend != null ) { try { InstantiationUtil . writeObjectToConfig ( backend , this . config , STATE_BACKEND ) ; } catch ( Exception e ) { throw new StreamTaskException ( "Could not serialize stateHandle provider." , e ) ; } } }
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