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
|
/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tuscany.das.rdb.test;
import org.apache.tuscany.das.rdb.Command;
import org.apache.tuscany.das.rdb.ResultSetShape;
import org.apache.tuscany.das.rdb.SDODataTypes;
import org.apache.tuscany.das.rdb.test.data.CustomerData;
import org.apache.tuscany.das.rdb.test.framework.DasTest;
import commonj.sdo.DataObject;
import commonj.sdo.Type;
/**
* Test ability to specify format(shape) of the ResultSet. This is necessary
* when the JDBC driver in use does not provide adequate support for
* ResultSetMetadata. Also, we expect that specifying the result set shape will
* increase performance.
*
*/
public class ResultSetShapeTests extends DasTest {
protected void setUp() throws Exception {
super.setUp();
new CustomerData(getAutoConnection()).refresh();
}
protected void tearDown() throws Exception {
super.tearDown();
}
/**
* Read a specific customer
*/
public void testReadSingle() throws Exception {
// Using literals in the select forces invalid resultset metadata
String sqlString = "Select 99, 'Roosevelt', '1600 Pennsylvania Avenue' from customer";
String[] columns = { "ID", "LASTNAME", "ADDRESS" };
String[] tables = { "CUSTOMER", "CUSTOMER", "CUSTOMER" };
Type[] types = { SDODataTypes.LONG, SDODataTypes.STRING,
SDODataTypes.STRING };
ResultSetShape shape = new ResultSetShape(tables, columns, types);
// Create and initialize command to read customers
Command readCustomers = Command.FACTORY.createCommand(sqlString);
readCustomers.addConverter("CUSTOMER.ID", "org.apache.tuscany.das.rdb.test.mappings.StringToLongConverter");
// Specify result shape
readCustomers.setResultSetShape(shape);
readCustomers.setConnection(getConnection());
// Read
DataObject root = readCustomers.executeQuery();
// Verify
assertEquals(5, root.getList("CUSTOMER").size());
assertEquals(99, root.getInt("CUSTOMER[1]/ID"));
assertEquals("Roosevelt", root.getString("CUSTOMER[1]/LASTNAME"));
assertEquals("1600 Pennsylvania Avenue", root
.getString("CUSTOMER[1]/ADDRESS"));
}
/**
* Read a specific customer This duplicates the previous tests but does not
* provide the shape info. Since the select will not return valid metadata,
* this test is expected to fail
*/
public void testReadSingleVerifyShapeUse() throws Exception {
// Using literals in the select forces invalid resultset metadata
String sqlString = "Select 99, 'Roosevelt', '1600 Pennsylvania Avenue' from customer";
// Create and initialize command to read customers
Command readCustomers = Command.FACTORY.createCommand(sqlString);
readCustomers.setConnection(getConnection());
// Read
DataObject root = readCustomers.executeQuery();
// Verify
try {
assertEquals(5, root.getList("CUSTOMER").size());
fail("Should fail since there will be no feature named CUSTOMER");
} catch (IllegalArgumentException e) {
// OK
}
}
}
|
