desmoj.extensions.applicationDomains.harbour

Class Gates

java.lang.Object

desmoj.core.simulator.NamedObject

desmoj.core.simulator.ModelComponent

desmoj.extensions.applicationDomains.harbour.Gates

public class Gates
extends ModelComponent

The Gates is a place on a container terminal where the Truck s enter and leave the terminal. It has a ceratin number of the entrance and exit lanes. Both must be not negative. The lanes are implemented as Res with FIFO-strategy and unlimited capacity. The Gates is derived from ModelComponent.

Version:

DESMO-J, Ver. 2.5.1c copyright (c) 2015

Author:

Eugenia Neufeld Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

See Also:

ModelComponent

Constructor Summary

Constructors

Constructor and Description
Gates(Model owner, java.lang.String name, int nEntLanes, int nExitLanes, boolean showInTrace) Constructor for a Gates of a container terminal where the trucks enter and leave the terminal.

Method Summary

Modifier and Type	Method and Description
void	enterEntrance() A process is using this method to enter the entrance of the Gates and get one of free lanes of this Gates.
void	enterExit() A process is using this method to enter the exit of the Gates and get one of free exit lanes of this Gates.
double	getTurnAroundTime() Returns the turn around time of users (trucks) of this Gates.
long	getUsers() Returns the number of users (trucks) of this Gates.
void	leaveEntrance() A process is using this method to leave the enter of the Gates and put used entrance lane back.
void	leaveExit() A process is using this method to leave the exit of the Gates and put a used exit lane back.

Methods inherited from class desmoj.core.simulator.ModelComponent

current, currentEntity, currentEntityAll, currentEvent, currentModel, currentSimProcess, debugIsOn, debugOff, debugOn, getModel, isExperimentCompatible, isModelCompatible, presentTime, sendDebugNote, sendMessage, sendTraceNote, sendWarning, skipTraceNote, skipTraceNote, traceIsOn, traceOff, traceOn

Methods inherited from class desmoj.core.simulator.NamedObject

getName, getQuotedName, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Gates

public Gates(Model owner,
             java.lang.String name,
             int nEntLanes,
             int nExitLanes,
             boolean showInTrace)

Constructor for a Gates of a container terminal where the trucks enter and leave the terminal.

Parameters:

owner - desmoj.Model : The model this Gates is associated to.

name - java.lang.String : The name of this Gates.

int - nEntLanes: the number of the entrance lanes of this Gates.

int - nExitLanes: the number of the exit lanes of this Gates.

showInTrace - boolean : Flag, if trace messages of this Gates should be displayed in the trace file.

Method Detail

enterEntrance

public void enterEntrance()
                   throws SuspendExecution

A process is using this method to enter the entrance of the Gates and get one of free lanes of this Gates.

Throws:

SuspendExecution

leaveEntrance

public void leaveEntrance()

A process is using this method to leave the enter of the Gates and put used entrance lane back.

enterExit

public void enterExit()
               throws SuspendExecution

A process is using this method to enter the exit of the Gates and get one of free exit lanes of this Gates.

Throws:

SuspendExecution

leaveExit

public void leaveExit()

A process is using this method to leave the exit of the Gates and put a used exit lane back.

getUsers

public long getUsers()

Returns the number of users (trucks) of this Gates. It means the number of the trucks that have entered and left the Gates.

Returns:

long : The number of trucks that enterd and left the terminal through this Gates.

getTurnAroundTime

public double getTurnAroundTime()

Returns the turn around time of users (trucks) of this Gates. It means the time of the trucks that were at the terminal: have entered and left the terminal through this Gates.

Returns:

double : The turn around time of trucks.