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reladomo example (#2469) 

* reladomo example

* fix formatting

* add plugin versions

* fix closing streams
This commit is contained in:
lor6 2017-08-21 21:25:12 +03:00 committed by Grzegorz Piwowarek
parent 6d7fa197dd
commit 04fa1782a2
16 changed files with 415 additions and 2 deletions
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100
libraries/pom.xml
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@ -105,6 +105,92 @@
</executions>
</plugin>
<!-- /Neuroph -->
<!-- Reladomo -->
<plugin>
<artifactId>maven-antrun-plugin</artifactId>
<version>1.8</version>
<executions>
<execution>
<id>generateMithra</id>
<phase>generate-sources</phase>
<goals>
<goal>run</goal>
</goals>
<configuration>
<tasks>
<property name="plugin_classpath" refid="maven.plugin.classpath" />
<taskdef name="gen-reladomo" classpath="plugin_classpath"
classname="com.gs.fw.common.mithra.generator.MithraGenerator" />
<gen-reladomo
xml="${project.basedir}/src/main/resources/reladomo/ReladomoClassList.xml"
generateGscListMethod="true"
generatedDir="${project.build.directory}/generated-sources/reladomo"
nonGeneratedDir="${project.basedir}/src/main/java" />
<taskdef name="gen-ddl"
classname="com.gs.fw.common.mithra.generator.dbgenerator.MithraDbDefinitionGenerator"
loaderRef="reladomoGenerator">
<classpath refid="maven.plugin.classpath" />
</taskdef>
<gen-ddl
xml="${project.basedir}/src/main/resources/reladomo/ReladomoClassList.xml"
generatedDir="${project.build.directory}/generated-db/sql"
databaseType="postgres" />
</tasks>
</configuration>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>com.goldmansachs.reladomo</groupId>
<artifactId>reladomogen</artifactId>
<version>${reladomo.version}</version>
</dependency>
<dependency>
<groupId>com.goldmansachs.reladomo</groupId>
<artifactId>reladomo-gen-util</artifactId>
<version>${reladomo.version}</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>build-helper-maven-plugin</artifactId>
<version>3.0.0</version>
<executions>
<execution>
<id>add-source</id>
<phase>generate-sources</phase>
<goals>
<goal>add-source</goal>
</goals>
<configuration>
<sources>
<source>${project.build.directory}/generated-sources/reladomo</source>
</sources>
</configuration>
</execution>
<execution>
<id>add-resource</id>
<phase>generate-resources</phase>
<goals>
<goal>add-resource</goal>
</goals>
<configuration>
<resources>
<resource>
<directory>${project.build.directory}/generated-db/</directory>
</resource>
</resources>
</configuration>
</execution>
</executions>
</plugin>
<!-- /Reladomo-->
</plugins>
</build>
<dependencies>
@ -497,6 +583,16 @@
<artifactId>gt-swing</artifactId>
<version>${geotools.version}</version>
</dependency>
<dependency>
<groupId>com.goldmansachs.reladomo</groupId>
<artifactId>reladomo</artifactId>
<version>${reladomo.version}</version>
</dependency>
<dependency>
<groupId>com.goldmansachs.reladomo</groupId>
<artifactId>reladomo-test-util</artifactId>
<version>${reladomo.version}</version>
</dependency>
</dependencies>
<repositories>
<repository>
@ -563,6 +659,6 @@
<streamex.version>0.6.5</streamex.version>
<vavr.version>0.9.0</vavr.version>
<geotools.version>15.2</geotools.version>
<reladomo.version>16.5.1</reladomo.version>
</properties>
</project>
</project>

15
libraries/src/main/java/com/baeldung/reladomo/Department.java Normal file
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@ -0,0 +1,15 @@
package com.baeldung.reladomo;
public class Department extends DepartmentAbstract {
public Department() {
super();
// You must not modify this constructor. Mithra calls this internally.
// You can call this constructor. You can also add new constructors.
}
public Department(long id, String name) {
super();
this.setId(id);
this.setName(name);
}
}

4
libraries/src/main/java/com/baeldung/reladomo/DepartmentDatabaseObject.java Normal file
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@ -0,0 +1,4 @@
package com.baeldung.reladomo;
public class DepartmentDatabaseObject extends DepartmentDatabaseObjectAbstract
{
}

25
libraries/src/main/java/com/baeldung/reladomo/DepartmentList.java Normal file
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@ -0,0 +1,25 @@
package com.baeldung.reladomo;
import com.gs.fw.finder.Operation;
import java.util.*;
public class DepartmentList extends DepartmentListAbstract
{
public DepartmentList()
{
super();
}
public DepartmentList(int initialSize)
{
super(initialSize);
}
public DepartmentList(Collection c)
{
super(c);
}
public DepartmentList(Operation operation)
{
super(operation);
}
}

16
libraries/src/main/java/com/baeldung/reladomo/Employee.java Normal file
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@ -0,0 +1,16 @@
package com.baeldung.reladomo;
public class Employee extends EmployeeAbstract
{
public Employee()
{
super();
// You must not modify this constructor. Mithra calls this internally.
// You can call this constructor. You can also add new constructors.
}
public Employee(long id, String name){
super();
this.setId(id);
this.setName(name);
}
}

4
libraries/src/main/java/com/baeldung/reladomo/EmployeeDatabaseObject.java Normal file
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@ -0,0 +1,4 @@
package com.baeldung.reladomo;
public class EmployeeDatabaseObject extends EmployeeDatabaseObjectAbstract
{
}

25
libraries/src/main/java/com/baeldung/reladomo/EmployeeList.java Normal file
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@ -0,0 +1,25 @@
package com.baeldung.reladomo;
import com.gs.fw.finder.Operation;
import java.util.*;
public class EmployeeList extends EmployeeListAbstract
{
public EmployeeList()
{
super();
}
public EmployeeList(int initialSize)
{
super(initialSize);
}
public EmployeeList(Collection c)
{
super(c);
}
public EmployeeList(Operation operation)
{
super(operation);
}
}

54
libraries/src/main/java/com/baeldung/reladomo/ReladomoApplication.java Normal file
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@ -0,0 +1,54 @@
package com.baeldung.reladomo;
import java.io.InputStream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.gs.fw.common.mithra.MithraManager;
import com.gs.fw.common.mithra.MithraManagerProvider;
public class ReladomoApplication {
public static void main(String[] args) {
try {
ReladomoConnectionManager.getInstance().createTables();
} catch (Exception e1) {
e1.printStackTrace();
}
MithraManager mithraManager = MithraManagerProvider.getMithraManager();
mithraManager.setTransactionTimeout(120);
try (InputStream is = ReladomoApplication.class.getClassLoader().getResourceAsStream("ReladomoRuntimeConfig.xml")) {
MithraManagerProvider.getMithraManager().readConfiguration(is);
Department department = new Department(1, "IT");
Employee employee = new Employee(1, "John");
department.getEmployees().add(employee);
department.cascadeInsert();
Department depFound = DepartmentFinder.findByPrimaryKey(1);
System.out.println("Department Name:" + department.getName());
Employee empFound = EmployeeFinder.findOne(EmployeeFinder.name().eq("John"));
System.out.println("Employee Id:" + empFound.getId());
empFound.setName("Steven");
empFound.delete();
Department depDetached = DepartmentFinder.findByPrimaryKey(1).getDetachedCopy();
mithraManager.executeTransactionalCommand(tx -> {
Department dep = new Department(2, "HR");
Employee emp = new Employee(2, "Jim");
dep.getEmployees().add(emp);
dep.cascadeInsert();
return null;
});
} catch (java.io.IOException e) {
e.printStackTrace();
}
}
}

92
libraries/src/main/java/com/baeldung/reladomo/ReladomoConnectionManager.java Normal file
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@ -0,0 +1,92 @@
package com.baeldung.reladomo;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.TimeZone;
import java.util.stream.Stream;
import org.h2.tools.RunScript;
import com.gs.fw.common.mithra.bulkloader.BulkLoader;
import com.gs.fw.common.mithra.bulkloader.BulkLoaderException;
import com.gs.fw.common.mithra.connectionmanager.SourcelessConnectionManager;
import com.gs.fw.common.mithra.connectionmanager.XAConnectionManager;
import com.gs.fw.common.mithra.databasetype.DatabaseType;
import com.gs.fw.common.mithra.databasetype.H2DatabaseType;
public class ReladomoConnectionManager implements SourcelessConnectionManager {
private static ReladomoConnectionManager instance;
private XAConnectionManager xaConnectionManager;
private final String databaseName = "myDb";
public static synchronized ReladomoConnectionManager getInstance() {
if (instance == null) {
instance = new ReladomoConnectionManager();
}
return instance;
}
private ReladomoConnectionManager() {
this.createConnectionManager();
}
private XAConnectionManager createConnectionManager() {
xaConnectionManager = new XAConnectionManager();
xaConnectionManager.setDriverClassName("org.h2.Driver");
xaConnectionManager.setJdbcConnectionString("jdbc:h2:mem:" + databaseName);
xaConnectionManager.setJdbcUser("sa");
xaConnectionManager.setJdbcPassword("");
xaConnectionManager.setPoolName("My Connection Pool");
xaConnectionManager.setInitialSize(1);
xaConnectionManager.setPoolSize(10);
xaConnectionManager.initialisePool();
return xaConnectionManager;
}
@Override
public BulkLoader createBulkLoader() throws BulkLoaderException {
return null;
}
@Override
public Connection getConnection() {
return xaConnectionManager.getConnection();
}
@Override
public DatabaseType getDatabaseType() {
return H2DatabaseType.getInstance();
}
@Override
public TimeZone getDatabaseTimeZone() {
return TimeZone.getDefault();
}
@Override
public String getDatabaseIdentifier() {
return databaseName;
}
public void createTables() throws Exception {
Path ddlPath = Paths.get(ClassLoader.getSystemResource("sql").toURI());
try (Connection conn = xaConnectionManager.getConnection(); Stream<Path> list = Files.list(ddlPath);) {
list.forEach(path -> {
try {
RunScript.execute(conn, Files.newBufferedReader(path));
} catch (SQLException | IOException exc) {
exc.printStackTrace();
}
});
}
}
}

6
libraries/src/main/resources/ReladomoRuntimeConfig.xml Normal file
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@ -0,0 +1,6 @@
<MithraRuntime>
<ConnectionManager className="com.baeldung.reladomo.ReladomoConnectionManager ">
<MithraObjectConfiguration className="com.baeldung.reladomo.Department" cacheType="partial"/>
<MithraObjectConfiguration className="com.baeldung.reladomo.Employee " cacheType="partial"/>
</ConnectionManager>
</MithraRuntime>

11
libraries/src/main/resources/reladomo/Department.xml Normal file
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@ -0,0 +1,11 @@
<MithraObject objectType="transactional">
<PackageName>com.baeldung.reladomo</PackageName>
<ClassName>Department</ClassName>
<DefaultTable>departments</DefaultTable>
<Attribute name="id" javaType="long" columnName="department_id" primaryKey="true"/>
<Attribute name="name" javaType="String" columnName="name" maxLength="50" truncate="true"/>
<Relationship name="employees" relatedObject="Employee" cardinality="one-to-many" reverseRelationshipName="department" relatedIsDependent="true">
Employee.departmentId = this.id
</Relationship>
</MithraObject>

9
libraries/src/main/resources/reladomo/Employee.xml Normal file
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@ -0,0 +1,9 @@
<MithraObject objectType="transactional">
<PackageName>com.baeldung.reladomo</PackageName>
<ClassName>Employee</ClassName>
<DefaultTable>employees</DefaultTable>
<Attribute name="id" javaType="long" columnName="employee_id" primaryKey="true"/>
<Attribute name="name" javaType="String" columnName="name" maxLength="50" truncate="true"/>
<Attribute name="departmentId" javaType="long" columnName="department_id"/>
</MithraObject>

4
libraries/src/main/resources/reladomo/ReladomoClassList.xml Normal file
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@ -0,0 +1,4 @@
<Mithra>
<MithraObjectResource name="Department"/>
<MithraObjectResource name="Employee"/>
</Mithra>

38
libraries/src/test/java/com/baeldung/reladomo/ReladomoTest.java Normal file
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@ -0,0 +1,38 @@
package com.baeldung.reladomo;
import static org.junit.Assert.*;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.gs.fw.common.mithra.test.ConnectionManagerForTests;
import com.gs.fw.common.mithra.test.MithraTestResource;
public class ReladomoTest {
private MithraTestResource mithraTestResource;
@Before
public void setUp() throws Exception {
this.mithraTestResource = new MithraTestResource("reladomo/ReladomoTestConfig.xml");
final ConnectionManagerForTests connectionManager = ConnectionManagerForTests.getInstanceForDbName("testDb");
this.mithraTestResource.createSingleDatabase(connectionManager);
mithraTestResource.addTestDataToDatabase("reladomo/test-data.txt", connectionManager);
this.mithraTestResource.setUp();
}
@Test
public void whenGetTestData_thenOk() {
Employee employee = EmployeeFinder.findByPrimaryKey(1);
assertEquals(employee.getName(), "Paul");
}
@After
public void tearDown() throws Exception {
this.mithraTestResource.tearDown();
}
}

7
libraries/src/test/resources/reladomo/ReladomoTestConfig.xml Normal file
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@ -0,0 +1,7 @@
<MithraRuntime>
<ConnectionManager className="com.gs.fw.common.mithra.test.ConnectionManagerForTests">
<Property name="resourceName" value="testDb"/>
<MithraObjectConfiguration className="com.baeldung.reladomo.Department" cacheType="partial"/>
<MithraObjectConfiguration className="com.baeldung.reladomo.Employee " cacheType="partial"/>
</ConnectionManager>
</MithraRuntime>

7
libraries/src/test/resources/reladomo/test-data.txt Normal file
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@ -0,0 +1,7 @@
class com.baeldung.reladomo.Department
id, name
1, "Marketing"
class com.baeldung.reladomo.Employee
id, name
1, "Paul"