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## rice.pastry.direct
Class GeometricNetworkSimulator

    java.lang.Object
      rice.pastry.direct.GeometricNetworkSimulator

All Implemented Interfaces:
  NetworkSimulator

Direct Known Subclasses:
  EuclideanNetwork, SphereNetwork

public abstract class GeometricNetworkSimulator
extends java.lang.Object
implements NetworkSimulator

DESCRIBE THE CLASS

Version:
  $Id: pretty.settings 2305 2005-03-11 20:22:33Z jeffh $
Author:
  jeffh

Field Summary
`protected Logger` | `logger` DESCRIBE THE FIELD
`protected java.util.Vector` | `msgQueue` DESCRIBE THE FIELD
`protected RandomSource` | `random` DESCRIBE THE FIELD
`protected java.util.TreeSet` | `taskQueue` DESCRIBE THE FIELD

Constructor Summary
`GeometricNetworkSimulator(Environment env)` Constructor for GeometricNetworkSimulator.

Method Summary
`void` | `deliverMessage(Message msg, DirectPastryNode node)` DESCRIBE THE METHOD
`ScheduledMessage` | `deliverMessage(Message msg, DirectPastryNode node, int delay)` DESCRIBE THE METHOD
`ScheduledMessage` | `deliverMessage(Message msg, DirectPastryNode node, int delay, int period)` DESCRIBE THE METHOD
`ScheduledMessage` | `deliverMessageFixedRate(Message msg, DirectPastryNode node, int delay, int period)` DESCRIBE THE METHOD
`void` | `destroy(DirectPastryNode node)` set the liveliness of a NodeId
`DirectNodeHandle` | `getClosest(DirectNodeHandle nh)` find the closest NodeId to an input NodeId out of all NodeIds in the network
`Environment` | `getEnvironment()` Gets the Environment attribute of the GeometricNetworkSimulator object
`TestRecord` | `getTestRecord()` get TestRecord
`boolean` | `isAlive(DirectNodeHandle nh)` testing if a NodeId is alive
`int` | `proximity(DirectNodeHandle a, DirectNodeHandle b)` computes the proximity between two NodeIds
`void` | `registerNode(DirectPastryNode dpn)` DESCRIBE THE METHOD
`void` | `removeNode(DirectPastryNode node)` DESCRIBE THE METHOD
`void` | `setTestRecord(TestRecord tr)` set TestRecord
`boolean` | `simulate()` DESCRIBE THE METHOD
`protected boolean` | `simulate(long maxTime)` Delivers 1 message.
`boolean` | `simulateFor(int millis)` DESCRIBE THE METHOD
`boolean` | `simulateUntil(long targetTime)` 1) process the msgQueue 2) see if there is a) no scheduled messages between now and then

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface rice.pastry.direct.NetworkSimulator
`generateNodeRecord`

Field Detail

### msgQueue

    protected java.util.Vector msgQueue

  DESCRIBE THE FIELD

### taskQueue

    protected java.util.TreeSet taskQueue

  DESCRIBE THE FIELD

### logger

    protected Logger logger

  DESCRIBE THE FIELD

### random

    protected RandomSource random

  DESCRIBE THE FIELD

Constructor Detail

### GeometricNetworkSimulator

    public GeometricNetworkSimulator(Environment env)

  Constructor for GeometricNetworkSimulator.

Parameters:
  `env` - DESCRIBE THE PARAMETER

Method Detail

### getTestRecord

    public TestRecord getTestRecord()

  get TestRecord

  Specified by:
    `getTestRecord` in interface `NetworkSimulator`
  Returns:
    the returned TestRecord

### isAlive

    public boolean isAlive(DirectNodeHandle nh)

  testing if a NodeId is alive

  Specified by:
    `isAlive` in interface `NetworkSimulator`
  Parameters:
    `nh` - DESCRIBE THE PARAMETER
  Returns:
    true if nid is alive false otherwise

### getClosest

    public DirectNodeHandle getClosest(DirectNodeHandle nh)

  find the closest NodeId to an input NodeId out of all NodeIds in the network

  Specified by:
    `getClosest` in interface `NetworkSimulator`
  Parameters:
    `nh` - DESCRIBE THE PARAMETER
  Returns:
    the NodeId closest to the input NodeId in the network

### getEnvironment

    public Environment getEnvironment()

  Gets the Environment attribute of the GeometricNetworkSimulator object

  Specified by:
    `getEnvironment` in interface `NetworkSimulator`
  Returns:
    The Environment value

### setTestRecord

    public void setTestRecord(TestRecord tr)

  set TestRecord

  Specified by:
    `setTestRecord` in interface `NetworkSimulator`
  Parameters:
    `tr` - input TestRecord

### deliverMessage

    public void deliverMessage(Message msg,
                               DirectPastryNode node)

  DESCRIBE THE METHOD

  Specified by:
    `deliverMessage` in interface `NetworkSimulator`
  Parameters:
    `msg` - DESCRIBE THE PARAMETER
    `node` - DESCRIBE THE PARAMETER

### deliverMessage

    public ScheduledMessage deliverMessage(Message msg,
                                           DirectPastryNode node,
                                           int delay)

  DESCRIBE THE METHOD

  Specified by:
    `deliverMessage` in interface `NetworkSimulator`
  Parameters:
    `msg` - DESCRIBE THE PARAMETER
    `node` - DESCRIBE THE PARAMETER
    `delay` - DESCRIBE THE PARAMETER
  Returns:
    DESCRIBE THE RETURN VALUE

### deliverMessage

    public ScheduledMessage deliverMessage(Message msg,
                                           DirectPastryNode node,
                                           int delay,
                                           int period)

  DESCRIBE THE METHOD

  Specified by:
    `deliverMessage` in interface `NetworkSimulator`
  Parameters:
    `msg` - DESCRIBE THE PARAMETER
    `node` - DESCRIBE THE PARAMETER
    `delay` - DESCRIBE THE PARAMETER
    `period` - DESCRIBE THE PARAMETER
  Returns:
    DESCRIBE THE RETURN VALUE

### deliverMessageFixedRate

    public ScheduledMessage deliverMessageFixedRate(Message msg,
                                                    DirectPastryNode node,
                                                    int delay,
                                                    int period)

  DESCRIBE THE METHOD

  Specified by:
    `deliverMessageFixedRate` in interface `NetworkSimulator`
  Parameters:
    `msg` - DESCRIBE THE PARAMETER
    `node` - DESCRIBE THE PARAMETER
    `delay` - DESCRIBE THE PARAMETER
    `period` - DESCRIBE THE PARAMETER
  Returns:
    DESCRIBE THE RETURN VALUE

### simulate

    public boolean simulate()

  DESCRIBE THE METHOD

  Specified by:
    `simulate` in interface `NetworkSimulator`
  Returns:
    DESCRIBE THE RETURN VALUE

### simulate

    protected boolean simulate(long maxTime)

  Delivers 1 message. Will advance the clock if necessary. If there is a message in the queue, deliver that and return true. If there is a message in the taskQueue, update the clock if necessary, deliver that, then return true. If both are empty, return false;

  Parameters:
    `maxTime` - DESCRIBE THE PARAMETER
  Returns:
    DESCRIBE THE RETURN VALUE

### simulateFor

    public boolean simulateFor(int millis)

  DESCRIBE THE METHOD

  Specified by:
    `simulateFor` in interface `NetworkSimulator`
  Parameters:
    `millis` - DESCRIBE THE PARAMETER
  Returns:
    DESCRIBE THE RETURN VALUE

### simulateUntil

    public boolean simulateUntil(long targetTime)

  1) process the msgQueue 2) see if there is a) no scheduled messages between now and then

  Specified by:
    `simulateUntil` in interface `NetworkSimulator`
  Parameters:
    `targetTime` - DESCRIBE THE PARAMETER
  Returns:
    DESCRIBE THE RETURN VALUE

### destroy

    public void destroy(DirectPastryNode node)

  set the liveliness of a NodeId

  Specified by:
    `destroy` in interface `NetworkSimulator`
  Parameters:
    `node` - DESCRIBE THE PARAMETER

### proximity

    public int proximity(DirectNodeHandle a,
                         DirectNodeHandle b)

  computes the proximity between two NodeIds

  Specified by:
    `proximity` in interface `NetworkSimulator`
  Parameters:
    `a` - the first NodeId
    `b` - the second NodeId
  Returns:
    the proximity between the two input NodeIds

### registerNode

    public void registerNode(DirectPastryNode dpn)

  DESCRIBE THE METHOD

  Specified by:
    `registerNode` in interface `NetworkSimulator`
  Parameters:
    `dpn` - DESCRIBE THE PARAMETER

### removeNode

    public void removeNode(DirectPastryNode node)

  DESCRIBE THE METHOD

  Specified by:
    `removeNode` in interface `NetworkSimulator`
  Parameters:
    `node` - DESCRIBE THE PARAMETER

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