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1   /*
2    * This file is part of Waarp Project (named also Waarp or GG).
3    *
4    *  Copyright (c) 2019, Waarp SAS, and individual contributors by the @author
5    *  tags. See the COPYRIGHT.txt in the distribution for a full listing of
6    * individual contributors.
7    *
8    *  All Waarp Project is free software: you can redistribute it and/or
9    * modify it under the terms of the GNU General Public License as published by
10   * the Free Software Foundation, either version 3 of the License, or (at your
11   * option) any later version.
12   *
13   * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY
14   * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
15   * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16   *
17   *  You should have received a copy of the GNU General Public License along with
18   * Waarp . If not, see <http://www.gnu.org/licenses/>.
19   */
20  package org.waarp.snmp.utils;
21  
22  import org.snmp4j.agent.MOAccess;
23  import org.snmp4j.agent.MOScope;
24  import org.snmp4j.agent.mo.MOScalar;
25  import org.snmp4j.agent.request.SubRequest;
26  import org.snmp4j.smi.OID;
27  import org.snmp4j.smi.Variable;
28  
29  /**
30   * GoldenGate MOScalar implementation
31   */
32  public class WaarpMOScalar extends MOScalar<Variable> {
33    final WaarpMORow row;
34  
35    /**
36     * @param id
37     * @param access
38     * @param value
39     */
40    public WaarpMOScalar(final OID id, final MOAccess access,
41                         final Variable value, final WaarpMORow row) {
42      super(id, access, value);
43      this.row = row;
44      setVolatile(true);
45    }
46  
47    /**
48     * Called when a direct external access is done to this scalar. Therefore
49     * this
50     * function can be override to
51     * host update check.
52     *
53     * @see MOScalar#get(SubRequest)
54     */
55    @Override
56    public final void get(final SubRequest request) {
57      row.mib.updateServices(this);
58      super.get(request);
59    }
60  
61    /**
62     * Called when a multiple external access is done to this scalar and the
63     * following. Therefore this function
64     * can be override to host update check.
65     *
66     * @see MOScalar#find(MOScope)
67     */
68    @Override
69    public final OID find(final MOScope range) {
70      row.mib.updateServices(range);
71      return super.find(range);
72    }
73  
74  }