Module swim.streamlet

Package swim.streamlet.combinator

Class FilterFieldsOperator<K,V,I>

java.lang.Object

swim.streamlet.AbstractMapInletMapOutlet<K,K,V,V,I,Map<K,V>>

swim.streamlet.combinator.FilterFieldsOperator<K,V,I>

All Implemented Interfaces:

Inlet<I>, MapInlet<K,V,I>, MapInletMapOutlet<K,K,V,V,I,Map<K,V>>, MapOutlet<K,V,Map<K,V>>, Outlet<Map<K,V>>

Direct Known Subclasses:

FilterFieldsCombinator

public abstract class FilterFieldsOperator<K,V,I>
extends AbstractMapInletMapOutlet<K,K,V,V,I,Map<K,V>>

Field Summary

Fields inherited from class swim.streamlet.AbstractMapInletMapOutlet

input, inputEffects, outlets, outputEffects, outputs, version

Constructor Summary

Constructors

Constructor	Description
FilterFieldsOperator()

Method Summary

Modifier and Type	Method	Description
boolean	containsKey(K key)	Returns true if the current state of this MapOutlet contains the given key; otherwise returns false.
abstract boolean	evaluate(K key, V value)
Map<K,V>	get()	Returns the current state of this Outlet.
V	get(K key)	Returns the value assocaited with the given key in the current state of this MapOutlet, if defined; otherwise returns null.
Iterator<K>	keyIterator()	Returns an Iterator over the keys in the current state of this MapOutlet.
protected void	onInvalidateOutputKey(K key, KeyEffect effect)
protected void	onReconcileOutputKey(K key, KeyEffect effect, int version)
protected KeyEffect	willReconcileInputKey(K key, KeyEffect effect, int version)

Methods inherited from class swim.streamlet.AbstractMapInletMapOutlet

bindInput, bindInput, bindOutput, didInvalidate, didInvalidateInputKey, didInvalidateOutputKey, didReconcile, didReconcileInputKey, didReconcileOutputKey, disconnectInputs, disconnectOutputs, input, invalidate, invalidateInput, invalidateInputKey, invalidateOutput, invalidateOutputKey, onInvalidate, onInvalidateInputKey, onReconcile, onReconcileInputKey, outlet, outputIterator, reconcile, reconcileInput, reconcileInputKey, reconcileOutput, reconcileOutputKey, unbindInput, unbindOutput, unbindOutputs, willInvalidate, willInvalidateInputKey, willInvalidateOutputKey, willReconcile, willReconcileOutputKey

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface swim.streamlet.MapOutlet

filter, map, memoize, reduce, watch

Methods inherited from interface swim.streamlet.Outlet

map, watch

Constructor Detail

FilterFieldsOperator

public FilterFieldsOperator()

Method Detail

containsKey

public boolean containsKey(K key)

Description copied from interface: MapOutlet

Returns true if the current state of this MapOutlet contains the given key; otherwise returns false.

Specified by:

containsKey in interface MapOutlet<K,V,I>

Specified by:

containsKey in class AbstractMapInletMapOutlet<K,K,V,V,I,Map<K,V>>

get

public V get(K key)

Description copied from interface: MapOutlet

Returns the value assocaited with the given key in the current state of this MapOutlet, if defined; otherwise returns null.

Specified by:

get in interface MapOutlet<K,V,I>

Specified by:

get in class AbstractMapInletMapOutlet<K,K,V,V,I,Map<K,V>>

get

public Map<K,V> get()

Description copied from interface: Outlet

Returns the current state of this Outlet.

Specified by:

get in interface Outlet<K>

Specified by:

get in class AbstractMapInletMapOutlet<K,K,V,V,I,Map<K,V>>

keyIterator

public Iterator<K> keyIterator()

Description copied from interface: MapOutlet

Returns an Iterator over the keys in the current state of this MapOutlet.

Specified by:

keyIterator in interface MapOutlet<K,V,I>

Specified by:

keyIterator in class AbstractMapInletMapOutlet<K,K,V,V,I,Map<K,V>>

onInvalidateOutputKey

protected void onInvalidateOutputKey(K key,
                                     KeyEffect effect)

Overrides:

onInvalidateOutputKey in class AbstractMapInletMapOutlet<K,K,V,V,I,Map<K,V>>

onReconcileOutputKey

protected void onReconcileOutputKey(K key,
                                    KeyEffect effect,
                                    int version)

Overrides:

onReconcileOutputKey in class AbstractMapInletMapOutlet<K,K,V,V,I,Map<K,V>>

willReconcileInputKey

protected KeyEffect willReconcileInputKey(K key,
                                          KeyEffect effect,
                                          int version)

Overrides:

willReconcileInputKey in class AbstractMapInletMapOutlet<K,K,V,V,I,Map<K,V>>

evaluate

public abstract boolean evaluate(K key,
                                 V value)