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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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package org.apache.openjpa.persistence.jdbc.unique;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.StringTokenizer;
import javax.persistence.EntityManager;
import org.apache.openjpa.jdbc.conf.JDBCConfiguration;
import org.apache.openjpa.jdbc.sql.DBDictionary;
import org.apache.openjpa.jdbc.sql.MariaDBDictionary;
import org.apache.openjpa.jdbc.sql.MySQLDictionary;
import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI;
import org.apache.openjpa.persistence.jdbc.SQLSniffer;
import org.apache.openjpa.persistence.test.SQLListenerTestCase;
public class TestNamedUniqueConstraint extends SQLListenerTestCase {
DBDictionary dict;
@Override
public void setUp(Object... props) {
super.setUp(DROP_TABLES, NamedUniqueA.class, NamedUniqueB.class);
}
public void testMapping() {
// If the database does not support unique constraints, exit
if (!supportsUniqueConstraints())
return;
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
em.getTransaction().commit();
em.close();
// The above should trigger schema definition
List<String> sqls = super.sql;
assertSQLFragnments(sqls, "CREATE TABLE N_UNIQUE_A",
getUniqueConstraint("uca_f1_f2 UNIQUE .*\\(f1, f2\\)"),
getUniqueConstraint("uca_f3_f4 UNIQUE .*\\(f3, f4\\).*"));
assertSQLFragnments(sqls, "CREATE TABLE N_UNIQUE_B",
getUniqueConstraint("ucb_f1_f2 UNIQUE .*\\(f1, f2\\).*"));
assertSQLFragnments(sqls, "CREATE TABLE N_UNIQUE_SECONDARY",
getUniqueConstraint("uca_sf1 UNIQUE .*\\(sf1\\)"));
assertSQLFragnments(sqls, "CREATE TABLE N_UNIQUE_GENERATOR",
getUniqueConstraint("ucb_gen1_gen2 UNIQUE .*\\(GEN1, GEN2\\)"));
assertSQLFragnments(sqls, "CREATE TABLE N_UNIQUE_JOINTABLE",
getUniqueConstraint("uca_fka_fkb UNIQUE .*\\(FK_A, FK_B\\)"));
assertSQLFragnments(sqls, "CREATE TABLE N_U_COLL_TBL",
getUniqueConstraint("ucb_f3 UNIQUE .*\\(f3\\).*"));
}
private boolean supportsUniqueConstraints() {
OpenJPAEntityManagerFactorySPI emfs = (OpenJPAEntityManagerFactorySPI)emf;
JDBCConfiguration jdbccfg = (JDBCConfiguration)emfs.getConfiguration();
dict = jdbccfg.getDBDictionaryInstance();
return dict.supportsUniqueConstraints;
}
private String getUniqueConstraint(String unique) {
if (dict instanceof MySQLDictionary || dict instanceof MariaDBDictionary) {
//CREATE TABLE N_UNIQUE_A (aid INTEGER NOT NULL, f1 INTEGER NOT NULL, f2 INTEGER NOT NULL,
//f3 INTEGER NOT NULL, f4 INTEGER NOT NULL, f5 INTEGER, f6 INTEGER, PRIMARY KEY (aid),
//UNIQUE U_N_UNQU__F1 (f1),
//UNIQUE uca_f1_f2 (f1, f2),
//UNIQUE uca_f3_f4 (f3, f4)) TYPE = innodb
return getUniqueConstraint(dict, unique);
}
return unique;
}
public static String getUniqueConstraint(DBDictionary dict, String unique) {
List<String> tokens = new ArrayList<String>();
List<String> tokens1 = new ArrayList<String>();
StringTokenizer st = new StringTokenizer(unique);
while (st.hasMoreTokens()) {
tokens.add(st.nextToken());
}
tokens1.add(tokens.get(1));
tokens1.add(tokens.get(0));
for (int i = 2; i < tokens.size(); i++) {
tokens1.add(tokens.get(i));
}
StringBuffer buf = new StringBuffer();
for (String token : tokens1) {
buf.append(token).append(" ");
}
return buf.toString().trim();
}
void assertSQLFragnments(List<String> list, String... keys) {
if (SQLSniffer.matches(list, keys))
return;
fail("None of the following " + sql.size() + " SQL \r\n" +
toString(sql) + "\r\n contains all keys \r\n"
+ toString(Arrays.asList(keys)));
}
}