Dear Simon and Luciano,
Thank you for your detailed replies and comments. I also got an impression
that trunk is maintained healthy and "buildable". You can imagine how much
frustration has brought to me my attempt to build the web service WAR, since
I did not know that war plugin was not operational :-) Pure M3 war plugin
did not work because of contribution dependency on 2.0alpha tag. I tried to
mix M3 SDO/DAS and 2.0alpha-incubating branch from TSSS demo, M2 SCA and M3
SDO/DAS and finally came back to all M2 code. The latter yielded the same
results as M2 SCA and M3 SDO/DAS (at the very end of this message).
I want to bundle as WAR just enough SCA runtime needed to 1) feed data to an
AJAX client over a web service 2) and resolve change summaries from the
client to the database. Ideally I wanted this WAR to be deployable to
Tomcat, JBoss, IBM WebSphere 6.1 and Bea WebLogic. I was aware that
WebSphere and WebLogic would've needed much more attention in preparing
descriptors and crafting dependencies. If I succeeded with proof of concept,
I'd be able to assign further packaging to specialists capable of WebSphere
and WebLogic parts.
I will try now with M3 code and SCA embedded in Jetty or Tomcat.
A few words about problem that stopped my advance with WAR packaging of web
service. Below are the pom.xml, WSDL, default.scdl, DAS configuration and
service implementation if anybody cares to glance through and maybe point
out any obvious mistakes. I stripped down some comments. M2 SCA/SDO/DAS,
just as M2 SCA and M3 SDO/DAS packaged as WAR and deployed to Tomcat 5.5.23
give me the following message when I try to invoke loadProcessFolderContent:
java.lang.IllegalArgumentException: Complex type is not supported for simple
jav
a databinding.
at
org.apache.tuscany.spi.databinding.extension.SimpleTypeMapperExtensio
n.toJavaObject(SimpleTypeMapperExtension.java:275)
at
org.apache.tuscany.spi.databinding.extension.SimpleType2JavaTransform
er.transform(SimpleType2JavaTransformer.java:51)
at
org.apache.tuscany.core.databinding.impl.MediatorImpl.mediate(Mediato
rImpl.java:95)
at
org.apache.tuscany.core.databinding.impl.Input2InputTransformer.trans
form(Input2InputTransformer.java:197)
at
org.apache.tuscany.core.databinding.impl.Input2InputTransformer.trans
form(Input2InputTransformer.java:47)
at
org.apache.tuscany.core.databinding.impl.MediatorImpl.mediate(Mediato
rImpl.java:95)
at
org.apache.tuscany.core.databinding.impl.DataBindingInteceptor.transf
orm(DataBindingInteceptor.java:105)
at
org.apache.tuscany.core.databinding.impl.DataBindingInteceptor.invoke
(DataBindingInteceptor.java:69)
at
org.apache.tuscany.binding.axis2.Axis2Service.invokeTarget(Axis2Servi
ce.java:215)
at
org.apache.tuscany.binding.axis2.Axis2ServiceInOutSyncMessageReceiver
.invokeBusinessLogic(Axis2ServiceInOutSyncMessageReceiver.java:53)
at
org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.receive(A
bstractInOutSyncMessageReceiver.java:39)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:493)
at
org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostReq
uest(HTTPTransportUtils.java:319)
at
org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:2
47)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
at
org.apache.tuscany.binding.axis2.Axis2ServiceServlet.service(Axis2Ser
viceServlet.java:204)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
org.apache.tuscany.runtime.webapp.ServletHostImpl.service(ServletHost
Impl.java:88)
at
org.apache.tuscany.runtime.webapp.TuscanyServlet.service(TuscanyServl
et.java:56)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:269)
SERVICE IMPLEMENTATION: PFTServiceImpl.java
package pemr;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Properties;
import org.apache.tuscany.das.rdb.Command;
import org.apache.tuscany.das.rdb.DAS;
import org.osoa.sca.annotations.Scope;
import org.osoa.sca.annotations.Service;
import commonj.sdo.DataObject;
import commonj.sdo.DataGraph;
@Service(PFTService.class)
public class PFTServiceImpl implements PFTService {
public PFTServiceImpl() {
}
private DAS das = DAS.FACTORY.createDAS(
getConfig("PEMRConfig.xml"), createConnection());
protected InputStream getConfig(String fileName) {
return getClass().getClassLoader().getResourceAsStream(fileName);
}
/**
* Method either returns unassigned processes and topmost folders OR
subfolders and
* contained processes for some given folder.
* @param folderId
* @param maxDepth
* @return
*/
public FolderList loadProcessFolderContent(Integer folderId) {
FolderList res = PemrFactory.INSTANCE.createFolderList();
Command foldersCmd, processDefsCmd;
processDefsCmd = das.getCommand("unassigned processes");
DataObject root = processDefsCmd.executeQuery();
Util.printDataObject(root, 0);
res.getProcessDef().addAll(root.getList("ProcessDef"));
return res;
}
/**
* Method applies changes passed in a data graph.
* @param dataGraph
*/
public void applyChanges(DataGraph dataGraph) {
das.applyChanges(dataGraph.getRootObject());
}
public void greet(String name) {
System.out.println("pemrSCA Greeter: Hello " + name + "!");
}
protected Connection createConnection() {
Properties p = new Properties();
try {
p.load(getConfig("db.properties"));
String driver = p.getProperty("jdbc.driverClassName");
Class.forName(driver).newInstance();
Connection con = DriverManager.getConnection(
p.getProperty("jdbc.url"),
p.getProperty("jdbc.username"),
p.getProperty("jdbc.password")
);
con.setAutoCommit(false);
return con;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
SERVICE COMPONENT DEFINITION: default.scdl
<?xml version="1.0" encoding="UTF-8"?>
<composite
xmlns="http://www.osoa.org/xmlns/sca/1.0";
xmlns:wsdli="http://www.w3.org/2006/01/wsdl-instance"; name="PFTService">
<!-- <dbsdo:import.sdo
xmlns:dbsdo="http://tuscany.apache.org/xmlns/sca/databinding/sdo/1.0";
factory="pemr.PemrFactory"/> -->
<dbsdo:import.sdo
xmlns:dbsdo="http://incubator.apache.org/tuscany/xmlns/databinding/sdo/1.0-incubator-M2";
location="wsdl/pemr.wsdl" />
<!-- <dbsdo:import.sdo
xmlns:dbsdo="http://incubator.apache.org/tuscany/xmlns/databinding/sdo/1.0-incubator-M2";
location="wsdl/pemr.wsdl" /> -->
<service name="PFTService" target="http://pemr";>
<interface.java interface="pemr.PFTService"/>
<!-- <interface.wsdl
xmlns:wsdli="http://www.w3.org/2006/01/wsdl-instance";
interface="http://pemr#wsdl.interface(PFTService)"
wsdli:wsdlLocation="http://pemr wsdl/pemr.wsdl" /> -->
<!--FIXME the location attribute is a really bad hack here! does
not follow to spec at all
-->
<binding.ws
endpoint="http://pemr#wsdl.endpoint(PFTService/PFTServiceSOAP)"
conformanceURIs="http://ws-i.org/profiles/basic/1.1";
location="wsdl/pemr.wsdl" />
<!-- <binding.ws
wsdlElement="http://pemr/PFTService#wsdl.service(PFTService)"
wsdli:wsdlLocation="http://pemr wsdl/pemr.wsdl"/> -->
<reference>PFTServiceComponent</reference>
</service>
<component name="PFTServiceComponent">
<implementation.java class="pemr.PFTServiceImpl" />
</component>
</composite>
WEB SERVICE WSDL: pemr.wsdl
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<wsdl:definitions xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/";
xmlns:tns="http://pemr";
xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/";
xmlns:xsd="http://www.w3.org/2001/XMLSchema"; name="PFTService"
targetNamespace="http://pemr";>
<wsdl:types>
<xsd:schema targetNamespace="http://pemr";
xmlns:sdo="commonj.sdo" xmlns:sdoJava="commonj.sdo/java"
xmlns:sdoXML="commonj.sdo/XML">
<xsd:element name="greet">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="name" type="xsd:string" />
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="loadProcessFolderContent">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="folderId" type="xsd:int"
nillable="true"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="loadProcessFolderContentResponse"
type="tns:FolderList" />
<xsd:complexType name="ProcessDef">
<xsd:sequence>
<xsd:element name="name" type="xsd:string"
/>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:int"
use="required" />
</xsd:complexType>
<xsd:complexType name="FolderList">
<xsd:sequence>
<xsd:element name="processDef"
minOccurs="0"
maxOccurs="unbounded" type="tns:ProcessDef" sdoXML:name="processDefs"
/>
</xsd:sequence>
</xsd:complexType>
</xsd:schema>
</wsdl:types>
<wsdl:message name="greetRequest">
<wsdl:part element="tns:greet" name="parameters" />
</wsdl:message>
<wsdl:message name="loadProcessFolderContentRequest">
<wsdl:part element="tns:loadProcessFolderContent"
name="parameters" />
</wsdl:message>
<wsdl:message name="loadProcessFolderContentResponse">
<wsdl:part element="tns:loadProcessFolderContentResponse"
name="parameters" />
</wsdl:message>
<wsdl:portType name="PFTService">
<wsdl:operation name="loadProcessFolderContent">
<wsdl:input message="tns:loadProcessFolderContentRequest"
name="loadProcessFolderContentRequest"/>
<wsdl:output message="tns:loadProcessFolderContentResponse"
name="loadProcessFolderContentResponse"/>
</wsdl:operation>
<wsdl:operation name="greet">
<wsdl:input message="tns:greetRequest" name="greetRequest" />
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="PFTServiceSOAP" type="tns:PFTService">
<soap:binding style="document"
transport="http://schemas.xmlsoap.org/soap/http"; />
<wsdl:operation name="loadProcessFolderContent">
<soap:operation soapAction="loadProcessFolderContent"
/>
<wsdl:input name="loadProcessFolderContentRequest">
<soap:body use="literal" />
</wsdl:input>
<wsdl:output name="loadProcessFolderContentResponse">
<soap:body use="literal" />
</wsdl:output>
</wsdl:operation>
<wsdl:operation name="greet">
<soap:operation soapAction="greet" />
<wsdl:input name="greetRequest">
<soap:body use="literal" />
</wsdl:input>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="PFTService">
<wsdl:port binding="tns:PFTServiceSOAP"
name="PFTServiceSOAP">
<soap:address location="http://localhost:8888/m2test/services/PFTService";
/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions>
BUILD FILE: pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/maven-v4_0_0.xsd";>
<modelVersion>4.0.0</modelVersion>
<groupId>m2test</groupId>
<artifactId>m2test</artifactId>
<packaging>war</packaging>
<version>0.0.1</version>
<build>
<finalName>${artifactId}</finalName>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.5</source>
<target>1.5</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.tuscany.sdo</groupId>
<artifactId>tuscany-sdo-plugin</artifactId>
<version>1.0-incubator-M2</version>
<executions>
<execution>
<goals>
<goal>generate</goal>
</goals>
<configuration>
<schemaFile>
${basedir}/src/main/resources/wsdl/pemr.wsdl
</schemaFile>
<noEMF>true</noEMF>
<!--
<noNotification>true</noNotification>
<noContainer>true</noContainer>
<noUnsettable>true</noUnsettable> -->
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.tuscany.sca.plugins</groupId>
<artifactId>tuscany-plugin-wsdl2java</artifactId>
<version>1.0-incubator-M2</version>
<executions>
<execution>
<goals>
<goal>generate</goal>
</goals>
<configuration>
<wsdlFile>
${basedir}/src/main/resources/wsdl/pemr.wsdl
</wsdlFile>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.tuscany.sca.plugins</groupId>
<artifactId>tuscany-war-plugin</artifactId>
<version>1.0-incubator-M2</version>
<executions>
<execution>
<id>tuscany-war</id>
<goals>
<goal>tuscany-war</goal>
</goals>
</execution>
</executions>
<configuration>
<loadExtensionDependencies>
false
</loadExtensionDependencies>
<extensions>
<dependency>
<groupId>org.apache.tuscany.sca.services.databinding</groupId>
<artifactId>
databinding-sdo
</artifactId>
<version>1.0-incubator-M2</version>
</dependency>
<dependency>
<groupId>org.apache.tuscany.sca.services.bindings</groupId>
<artifactId>
axis2
</artifactId>
<version>1.0-incubator-M2</version>
</dependency>
</extensions>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.apache.tuscany.sca.plugins</groupId>
<artifactId>tuscany-plugin-wsdl2java</artifactId>
<version>1.0-incubator-M2</version>
</dependency>
<dependency>
<groupId>org.osoa</groupId>
<artifactId>sca-api-r0.95</artifactId>
<version>1.0-incubator-M2</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.tuscany.sca.runtime</groupId>
<artifactId>webapp</artifactId>
<version>1.0-incubator-M2</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.apache.tuscany</groupId>
<artifactId>commonj-api_r1.1</artifactId>
<version>1.0-incubator-M2</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>stax</groupId>
<artifactId>stax-api</artifactId>
<version>1.0.1</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.codehaus.woodstox</groupId>
<artifactId>wstx-asl</artifactId>
<version>3.2.0</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.apache.tuscany.sdo</groupId>
<artifactId>tuscany-sdo-impl</artifactId>
<version>1.0-incubator-M2</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.tuscany.das</groupId>
<artifactId>tuscany-das-rdb</artifactId>
<version>1.0-incubator-M2</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>
org.apache.tuscany.sca.services.databinding
</groupId>
<artifactId>databinding-sdo</artifactId>
<version>1.0-incubator-M2</version>
</dependency>
<dependency>
<groupId>org.apache.tuscany.sca.kernel</groupId>
<artifactId>tuscany-spi</artifactId>
<version>1.0-incubator-M2</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.1</version>
</dependency>
</dependencies>
</project>
DAS CONFIGURATION:
<?xml version="1.0" encoding="UTF-8"?>
<!--
-->
<Config
xsi:noNamespaceSchemaLocation="http:///org.apache.tuscany.das.rdb/config.xsd";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
dataObjectModel="http://pemr";>
<!-- <ConnectionInfo dataSource="java:comp/env/jdbc/pemr"/> -->
<!--
<Command name="topmost folders"
SQL="select * from folder where parent_folder_id is null"
kind="Select" />
<Command name="folder subfolders"
SQL="select * from folder where parent_folder_id=?" kind="Select"
/>
<Command name="folder processes"
SQL="select * from process_def where folder_id=?" kind="Select"
/>
<Command name="clean folders" SQL="delete from folder"
kind="Delete" />
-->
<Command name="unassigned processes"
SQL="select * from process_def" kind="Select" />
<Command name="clean processes" SQL="delete from process_def"
kind="Delete" />
<Table tableName="process_def" typeName="ProcessDef">
<Column columnName="id" primaryKey="true" generated="true" />
<!--
<Column columnName="folder_id" propertyName="folderId"/>
<Column columnName="original_process_id"
propertyName="originalProcessId"/>
-->
</Table>
<!--
<Table tableName="folder" typeName="ProcessFolder">
<Column columnName="id" primaryKey="true" generated="true" />
<Column columnName="parent_folder_id"
propertyName="parentFolderId"/>
</Table>
<Relationship name="processFolder" primaryKeyTable="folder"
foreignKeyTable="process_def" many="true">
<KeyPair primaryKeyColumn="id" foreignKeyColumn="folder_id" />
</Relationship>
-->
<!--
<Relationship name="subfolders" primaryKeyTable="folder"
foreignKeyTable="folder" many="true">
<KeyPair primaryKeyColumn="id"
foreignKeyColumn="parent_folder_id"/>
</Relationship>
<Relationship name="original_process" primaryKeyTable="process_def"
foreignKeyTable="process_def" many="true">
<KeyPair primaryKeyColumn="id"
foreignKeyColumn="original_process_id"/>
</Relationship>
-->
</Config>
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