Home

Contribute

Source code


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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148

/***************************************************************************
 * Copyright (c) 2004 - 2008 Eike Stepper, Germany.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *    Eike Stepper - initial API and implementation
 **************************************************************************/
package org.eclipse.emf.cdo.internal.common.model;

import org.eclipse.emf.cdo.common.CDODataInput;
import org.eclipse.emf.cdo.common.CDODataOutput;
import org.eclipse.emf.cdo.common.model.CDOClass;
import org.eclipse.emf.cdo.common.model.CDOPackageManager;
import org.eclipse.emf.cdo.spi.common.model.InternalCDOClass;
import org.eclipse.emf.cdo.spi.common.model.InternalCDOFeature;

import java.io.IOException;

/**
 * @author Eike Stepper
 */
public abstract class CDOFeatureImpl extends CDOTypedElementImpl implements InternalCDOFeature
{
  private transient CDOClass containingClass;

  private transient int featureIndex = UNKNOWN_FEATURE_INDEX;

  private int featureID;

  private boolean unsettable;

  private Object defaultValue;

  public CDOFeatureImpl()
  {
  }

  public CDOClass getContainingClass()
  {
    return containingClass;
  }

  public void setContainingClass(CDOClass containingClass)
  {
    this.containingClass = containingClass;
  }

  public int getFeatureIndex()
  {
    if (featureIndex == UNKNOWN_FEATURE_INDEX)
    {
      featureIndex = ((InternalCDOClass)containingClass).getFeatureIndex(featureID);
    }

    return featureIndex;
  }

  public void setFeatureIndex(int featureIndex)
  {
    this.featureIndex = featureIndex;
  }

  public int getFeatureID()
  {
    return featureID;
  }

  public void setFeatureID(int featureID)
  {
    this.featureID = featureID;
  }

  public boolean isUnsettable()
  {
    return unsettable;
  }

  public void setUnsettable(boolean unsettable)
  {
    this.unsettable = unsettable;
  }

  public Object getDefaultValue()
  {
    return defaultValue;
  }

  public void setDefaultValue(Object defaultValue)
  {
    this.defaultValue = defaultValue;
  }

  public CDOPackageManager getPackageManager()
  {
    return containingClass.getPackageManager();
  }

  public String getQualifiedName()
  {
    return getContainingClass().getQualifiedName() + "." + getName();
  }

  // @Override
  // public void writeValue(CDODataOutput out, Object value) throws IOException
  // {
  // if (!getType().canBeNull() && value == null)
  // {
  // // TODO Simon: Is this special handling needed?
  // getType().writeValue(out, getDefaultValue());
  // }
  // else
  // {
  // super.writeValue(out, value);
  // }
  // }

  @Override
  public void read(CDODataInput in, boolean proxy) throws IOException
  {
    super.read(in, proxy);
    featureID = in.readInt();
    unsettable = in.readBoolean();
    if (in.readBoolean())
    {
      defaultValue = getType().readValue(in);
    }
  }

  @Override
  public void write(CDODataOutput out, boolean proxy) throws IOException
  {
    super.write(out, proxy);
    out.writeInt(featureID);
    out.writeBoolean(unsettable);
    if (defaultValue != null)
    {
      out.writeBoolean(true);
      getType().writeValue(out, defaultValue);
    }
    else
    {
      out.writeBoolean(false);
    }
  }
}