summaryrefslogtreecommitdiff
path: root/java/demo/book/lifecycle/FilesystemI/FileI.java
blob: 1dbb8578ab21efc7493bd5659d3affc0016366b1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
// **********************************************************************
//
// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************

package FilesystemI;

import Ice.*;
import Filesystem.*;
import FilesystemI.*;

public class FileI extends _FileDisp implements NodeI, _FileOperations
{
    public synchronized String
    name(Current c)
    {
        if(_destroyed)
        {
            throw new ObjectNotExistException();
        }
        return _name;
    }

    public Identity
    id()
    {
        return _id;
    }

    public synchronized String[]
    read(Current c)
    {
        if(_destroyed)
        {
            throw new ObjectNotExistException();
        }

        return _lines;
    }

    public synchronized void
    write(String[] text, Current c)
    {
        if(_destroyed)
        {
            throw new ObjectNotExistException();
        }

        _lines = (String[])text.clone();
    }

    public void
    destroy(Current c)
    {
        synchronized(this)
        {
            if(_destroyed)
            {
                throw new ObjectNotExistException();
            }
            _destroyed = true;
        }

        synchronized(_parent._lcMutex)
        {
            c.adapter.remove(id());
            _parent.addReapEntry(_name);
        }
    }

    public FileI(String name, DirectoryI parent)
    {
        _name = name;
        _parent = parent;
        _destroyed = false;
        _id = new Identity();
        _id.name = Util.generateUUID();
    }

    public FilePrx
    activate(Ice.ObjectAdapter a)
    {
        FilePrx node = FilePrxHelper.uncheckedCast(a.add(this, _id));
        _parent.addChild(_name, this);
        return node;
    }

    private String _name;
    private DirectoryI _parent;
    private boolean _destroyed;
    private Identity _id;
    private String[] _lines;
}