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
|
/***************************************************************************
* Copyright (c) 2004, 2005, 2006 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.server.protocol;
import org.eclipse.net4j.signal.IndicationWithResponse;
import org.eclipse.net4j.util.om.ContextTracer;
import org.eclipse.net4j.util.stream.ExtendedDataInputStream;
import org.eclipse.net4j.util.stream.ExtendedDataOutputStream;
import org.eclipse.emf.cdo.core.CDOSignals;
import org.eclipse.emf.cdo.server.AttributeInfo;
import org.eclipse.emf.cdo.server.ClassInfo;
import org.eclipse.emf.cdo.server.Mapper;
import org.eclipse.emf.cdo.server.PackageInfo;
import org.eclipse.emf.cdo.server.internal.CDOServer;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.io.IOException;
/**
* @author Eike Stepper
*/
public class DescribePackageIndication extends IndicationWithResponse
{
private static final ContextTracer TRACER = new ContextTracer(CDOServer.DEBUG_PROTOCOL,
DescribePackageIndication.class);
private Mapper mapper;
private List<ClassInfo> infos;
public DescribePackageIndication(Mapper mapper)
{
this.mapper = mapper;
}
@Override
protected short getSignalID()
{
return CDOSignals.DESCRIBE_PACKAGE;
}
@Override
protected void indicating(ExtendedDataInputStream in) throws IOException
{
int pid = mapper.getNextPid();
String packageName = in.readString();
if (TRACER.isEnabled())
{
TRACER.trace("Described package " + packageName);
}
PackageInfo packageInfo = mapper.getPackageManager().addPackage(pid, packageName);
mapper.insertPackage(packageInfo);
infos = receiveClasses(in, packageInfo);
mapper.createAttributeTables(packageInfo);
}
@Override
protected void responding(ExtendedDataOutputStream out) throws IOException
{
out.writeInt(infos.size());
for (Iterator<ClassInfo> iter = infos.iterator(); iter.hasNext();)
{
ClassInfo classInfo = iter.next();
if (TRACER.isEnabled())
{
TRACER.trace("Responding class " + classInfo.getName() + " = " + classInfo.getCID());
}
out.writeInt(classInfo.getCID());
out.writeString(classInfo.getName());
}
}
private List<ClassInfo> receiveClasses(ExtendedDataInputStream in, PackageInfo packageInfo)
throws IOException
{
List<ClassInfo> result = new ArrayList<ClassInfo>();
int count = in.readInt();
for (int i = 0; i < count; i++)
{
int cid = mapper.getNextCID();
String name = in.readString();
String parentName = in.readString();
String tableName = in.readString();
if (TRACER.isEnabled())
{
TRACER.trace("Described class " + name);
}
ClassInfo classInfo = packageInfo.addClass(cid, name, parentName, tableName);
mapper.insertClass(classInfo);
receiveAttributes(in, classInfo);
result.add(classInfo);
}
return result;
}
private void receiveAttributes(ExtendedDataInputStream in, ClassInfo classInfo)
throws IOException
{
int count = in.readInt();
for (int i = 0; i < count; i++)
{
String name = in.readString();
int featureId = in.readInt();
int dataType = in.readInt();
String columnName = in.readString();
int columnType = in.readInt();
if (TRACER.isEnabled())
{
TRACER.trace("Described attribute " + name);
}
AttributeInfo attributeInfo = classInfo.addAttribute(name, featureId, dataType, columnName,
columnType);
mapper.insertAttribute(attributeInfo, classInfo.getCID());
}
}
}
|
