Package org.eclipse.viatra.query.runtime.rete.misc

## Class SimpleReceiver

- java.lang.Object
- - org.eclipse.viatra.query.runtime.rete.network.BaseNode
  - - org.eclipse.viatra.query.runtime.rete.misc.SimpleReceiver

- All Implemented Interfaces:
    `Node`, `Receiver`
  Direct Known Subclasses:
    `Bag`, `CallbackNode`, `DeltaMonitor`, `RelationEvaluatorNode.BatchingReceiver`

      public abstract class SimpleReceiver
      extends BaseNode
      implements Receiver

- - ### Field Summary

    Fields
    Modifier and Type | Field | Description
    --- | --- | ---
    `protected Mailbox` | `mailbox` |
    `protected Supplier` | `parent` |

    - ### Fields inherited from class org.eclipse.viatra.query.runtime.rete.network.BaseNode

      `nodeId, reteContainer, tag, traceInfos`

  - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `SimpleReceiver​(ReteContainer reteContainer)` |

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `appendParent​(Supplier supplier)` | appends a parent that will continuously send insert and revoke updates to this supplier
    `void` | `assignTraceInfo​(TraceInfo traceInfo)` | assigns new traceability info to this node
    `void` | `disconnectFromNetwork()` | Disconnects this node from the network.
    `Mailbox` | `getMailbox()` | Returns the `Mailbox` of this receiver.
    `java.util.Collection<Supplier>` | `getParents()` | access active parent
    `protected Mailbox` | `instantiateMailbox()` | Instantiates the `Mailbox` of this receiver.
    `void` | `removeParent​(Supplier supplier)` | removes a parent

    - ### Methods inherited from class org.eclipse.viatra.query.runtime.rete.network.BaseNode

      `acceptPropagatedTraceInfo, getContainer, getNodeId, getTag, getTraceInfoPatternsEnumerated, getTraceInfos, setTag, toString, toStringCore`

    - ### Methods inherited from class java.lang.Object

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

    - ### Methods inherited from interface org.eclipse.viatra.query.runtime.rete.network.Node

      `acceptPropagatedTraceInfo, getCommunicationTracker, getContainer, getNodeId, getTag, getTraceInfos, setTag`

    - ### Methods inherited from interface org.eclipse.viatra.query.runtime.rete.network.Receiver

      `batchUpdate, update`

- - ### Field Detail

    - #### parent

          protected Supplier parent

    - #### mailbox

          protected final Mailbox mailbox

      Since:
        1.6

  - ### Constructor Detail

    - #### SimpleReceiver

          public SimpleReceiver​(ReteContainer reteContainer)

      Parameters:
        `reteContainer` -

  - ### Method Detail

    - #### instantiateMailbox

          protected Mailbox instantiateMailbox()

      Instantiates the `Mailbox` of this receiver. Subclasses may override this method to provide their own mailbox implementation.
      Returns:
        the mailbox
      Since:
        2.0

    - #### getMailbox

          public Mailbox getMailbox()

      Description copied from interface: `Receiver`
      Returns the `Mailbox` of this receiver.
      Specified by:
        `getMailbox` in interface `Receiver`
      Returns:
        the mailbox

    - #### appendParent

          public void appendParent​(Supplier supplier)

      Description copied from interface: `Receiver`
      appends a parent that will continuously send insert and revoke updates to this supplier
      Specified by:
        `appendParent` in interface `Receiver`

    - #### removeParent

          public void removeParent​(Supplier supplier)

      Description copied from interface: `Receiver`
      removes a parent
      Specified by:
        `removeParent` in interface `Receiver`

    - #### getParents

          public java.util.Collection<Supplier> getParents()

      Description copied from interface: `Receiver`
      access active parent
      Specified by:
        `getParents` in interface `Receiver`

    - #### disconnectFromNetwork

          public void disconnectFromNetwork()

      Disconnects this node from the network. Can be called publicly.

    - #### assignTraceInfo

          public void assignTraceInfo​(TraceInfo traceInfo)

      Description copied from interface: `Node`
      assigns new traceability info to this node
      Specified by:
        `assignTraceInfo` in interface `Node`
      Overrides:
        `assignTraceInfo` in class `BaseNode`