1   /****************************************************************************
2    * This demo file is part of yFiles for Java 2.14.
3    * Copyright (c) 2000-2017 by yWorks GmbH, Vor dem Kreuzberg 28,
4    * 72070 Tuebingen, Germany. All rights reserved.
5    * 
6    * yFiles demo files exhibit yFiles for Java functionalities. Any redistribution
7    * of demo files in source code or binary form, with or without
8    * modification, is not permitted.
9    * 
10   * Owners of a valid software license for a yFiles for Java version that this
11   * demo is shipped with are allowed to use the demo source code as basis
12   * for their own yFiles for Java powered applications. Use of such programs is
13   * governed by the rights and conditions as set out in the yFiles for Java
14   * license agreement.
15   * 
16   * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY EXPRESS OR IMPLIED
17   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18   * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
19   * NO EVENT SHALL yWorks BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
21   * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
23   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
24   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26   *
27   ***************************************************************************/
28  package demo.view.networkmonitoring;
29  
30  import y.view.Graph2D;
31  
32  /**
33   * Interface for a network model
34   */
35  public interface NetworkModel {
36  
37    /**
38     * Key to register a {@link y.base.DataProvider} that contains an unique id object for every network node and connection.
39     */
40    public static final Object ELEMENT_ID_DPKEY = "demo.view.networkmonitoring.NetworkModelImpl.ELEMENT_ID_DPKEY";
41  
42    /**
43     * Key to register a {@link y.base.DataProvider} that contains a type for each network node. The type must be one of the
44     * following:
45     * {@link #PC}, {@link #LAPTOP}, {@link #SMARTPHONE}, {@link #SWITCH}, {@link #WLAN}, {@link #SERVER},
46     * {@link #DATABASE}.
47     */
48    public static final Object NODE_TYPE_DPKEY = "demo.view.networkmonitoring.NetworkModelImpl.NODE_TYPE_DPKEY";
49  
50    /** Specifier for the network element PC.*/
51    public static final int PC = 1;
52    /** Specifier for the network element laptop.*/
53    public static final int LAPTOP = 2;
54    /** Specifier for the network element smartphone.*/
55    public static final int SMARTPHONE = 3;
56    /** Specifier for the network element switch.*/
57    public static final int SWITCH = 4;
58    /** Specifier for the network element wlan router.*/
59    public static final int WLAN = 5;
60    /** Specifier for the network element server.*/
61    public static final int SERVER = 6;
62    /** Specifier for the network element database.*/
63    public static final int DATABASE = 7;
64  
65    /**
66     * Key to register a {@link y.base.DataProvider} that contains a capacity for each connection. The capacity must be an
67     * integer value.
68     */
69    public static final Object ELEMENT_CAPACITY_DPKEY = "demo.view.networkmonitoring.NetworkModelImpl.ELEMENT_CAPACITY_DPKEY";
70    /**
71     * Key to register a {@link y.base.DataProvider} that contains some additional information
72     * for a Node {@link NetworkNodeInfo}
73     */
74    public static final Object NODE_INFO_DPKEY = "demo.view.networkmonitoring.NetworkModelImpl.NODE_INFO_DPKEY";
75  
76    /**
77     * Add the given {@link NetworkModelObserver observer} to the observer list.
78     * The observer get informed when a status changed, e.g. when a new network
79     * status where calculated or a element where deactivated.
80     * @param observer observer
81     */
82    public void addObserver(NetworkModelObserver observer);
83  
84    /**
85     * Remove the given {@link NetworkModelObserver observer} from the observer list.
86     * @param observer observer
87     */
88    public void removeObserver(NetworkModelObserver observer);
89  
90    /**
91     * Return the graph representing the network.
92     * @return network graph
93     */
94    public Graph2D getNetworkModel();
95  
96    /**
97     * Enable the given network node.
98     * @param id network node
99     */
100   public void enableNetworkNode(Object id);
101 
102   /**
103    * Disable the given network node.
104    * @param id network node
105    */
106   public void disableNetworkNode(Object id);
107 
108   /**
109    * Enable the given connection.
110    * @param id connection
111    */
112   public void enableConnection(Object id);
113 
114   /**
115    * Disable the given connection.
116    * @param id connection
117    */
118   public void disableConnection(Object id);
119 
120   /**
121    * Repair the given network node.
122    * @param id network node
123    */
124   public void repairNetworkNode(Object id);
125 
126   /**
127    * Repair the given connection.
128    * @param id connection
129    */
130   public void repairEdge(Object id);
131 
132   /**
133    * Set if network errors may happen
134    * @param errorsEnabled true if network errors may happen
135    */
136   public void setNetworkErrorsEnabled(boolean errorsEnabled);
137 
138   /**
139    * Return if network errors may happen
140    * @return true if errors may happen
141    */
142   public boolean isNetworkErrorsEnabled();
143 
144   /**
145    * Set duration until a new status should be calculated
146    * @param duration time in milliseconds
147    */
148   public void setUpdateCycle(final int duration);
149 
150   /**
151    * Return duration of a network cycle
152    * @return duration of a network cycle in milliseconds
153    */
154   public int getUpdateCycle();
155 
156 }
157