donaldp 2002/06/20 19:58:20
Modified: container/src/conf ant-services.xml
Added: container/src/java/org/apache/myrmidon/components/service
DefaultAntServiceKernel.java
container/src/java/org/apache/myrmidon/interfaces/service
AntServiceKernel.java
Log:
Introduce a basic service to cache instances of services
Revision Changes Path
1.2 +3 -0 jakarta-ant-myrmidon/container/src/conf/ant-services.xml
Index: ant-services.xml
===================================================================
RCS file: /home/cvs/jakarta-ant-myrmidon/container/src/conf/ant-services.xml,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- ant-services.xml 16 Jun 2002 04:15:26 -0000 1.1
+++ ant-services.xml 21 Jun 2002 02:58:20 -0000 1.2
@@ -44,4 +44,7 @@
<service
classname="org.apache.myrmidon.components.builder.MasterProjectBuilder">
<role name="org.apache.myrmidon.interfaces.builder.ProjectBuilder"/>
</service>
+ <service
classname="org.apache.myrmidon.components.service.DefaultAntServiceKernel">
+ <role
name="org.apache.myrmidon.interfaces.service.AntServiceKernel"/>
+ </service>
</services>
1.1
jakarta-ant-myrmidon/container/src/java/org/apache/myrmidon/components/service/DefaultAntServiceKernel.java
Index: DefaultAntServiceKernel.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE.txt file.
*/
package org.apache.myrmidon.components.service;
import java.util.HashMap;
import org.apache.avalon.framework.service.ServiceException;
import org.apache.myrmidon.interfaces.service.AntServiceKernel;
/**
* Implementation of [EMAIL PROTECTED] AntServiceKernel} service.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Peter Donald</a>
* @version $Revision: 1.1 $ $Date: 2002/06/21 02:58:20 $
*/
public class DefaultAntServiceKernel
implements AntServiceKernel
{
private final HashMap m_objects = new HashMap();
private final AntServiceKernel m_parent;
public DefaultAntServiceKernel()
{
this( null );
}
public DefaultAntServiceKernel( final AntServiceKernel parent )
{
m_parent = parent;
}
/**
* Registers a service. All lifecycle management is handled by the
caller.
*/
public void registerService( String[] roles, Object service )
throws ServiceException
{
for( int i = 0; i < roles.length; i++ )
{
final String role = roles[ i ];
registerService( role, service );
}
}
/**
* Registers a service. All lifecycle management is handled by the
caller.
*/
public void registerService( String role, Object service )
throws ServiceException
{
m_objects.put( role, service );
}
public Object getService( String role )
throws ServiceException
{
Object service = m_objects.get( role );
if( null != service )
{
return service;
}
else if( null != m_parent )
{
return m_parent.getService( role );
}
else
{
return null;
}
}
public AntServiceKernel createChild()
{
return new DefaultAntServiceKernel( this );
}
}
1.1
jakarta-ant-myrmidon/container/src/java/org/apache/myrmidon/interfaces/service/AntServiceKernel.java
Index: AntServiceKernel.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE.txt file.
*/
package org.apache.myrmidon.interfaces.service;
import org.apache.avalon.framework.service.ServiceException;
/**
* The service interface via which services are registered
* and provided to runtime.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Peter Donald</a>
* @version $Revision: 1.1 $ $Date: 2002/06/21 02:58:20 $
*/
public interface AntServiceKernel
{
/** Role name for this interface. */
String ROLE = AntServiceKernel.class.getName();
/**
* Registers a service. All lifecycle management is handled by the
caller.
*/
void registerService( String[] roles, Object service )
throws ServiceException;
/**
* Registers a service. All lifecycle management is handled by the
caller.
*/
void registerService( String role, Object service )
throws ServiceException;
Object getService( String role )
throws ServiceException;
AntServiceKernel createChild();
}
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