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package com.c2kernel.collection;
import java.awt.Image;
import java.util.StringTokenizer;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.entity.proxy.EntityProxy;
import com.c2kernel.graph.model.GraphableVertex;
import com.c2kernel.lookup.EntityPath;
import com.c2kernel.lookup.InvalidEntityPathException;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.process.Gateway;
import com.c2kernel.property.Property;
import com.c2kernel.utils.Logger;
import com.c2kernel.utils.Resource;
/**
* @version $Revision: 1.11 $ $Date: 2005/12/01 14:23:15 $
* @author $Author: abranson $
*/
//this extends Vertex for inherit the graph visualization
//this does not implement MemberObject anylonger. it is a java object.
//eventually the member object corba interface will be phased out.
public class AggregationMember extends GraphableVertex implements CollectionMember
{
private int mEntityKey = -1;
private EntityProxy mEntity = null;
private Aggregation mCollection = null;
private String mClassProps = null;
String entityName;
Image image;
/**************************************************************************
*
**************************************************************************/
public AggregationMember()
{
super();
mEntityKey = -1;
mCollection = null;
}
@Override
public void setEntityKey(int entityKey) {
mEntityKey = entityKey;
entityName = null;
}
public void setCollection(Aggregation aggregation)
{
mCollection = aggregation;
}
@Override
public void setClassProps(String props)
{
mClassProps = props;
}
@Override
public int getEntityKey()
{
return mEntityKey;
}
public Aggregation getCollection()
{
return mCollection;
}
@Override
public String getClassProps()
{
return mClassProps;
}
@Override
public void assignEntity(int entityKey) throws MembershipException
{
if (entityKey > -1) {
if (mClassProps == null || getProperties() == null)
throw new MembershipException("ClassProps not yet set. Cannot check membership validity.");
//for each mandatory prop check if its in the member property and has the matching value
StringTokenizer sub = new StringTokenizer(mClassProps, ",");
while (sub.hasMoreTokens())
{
String aClassProp = sub.nextToken();
try {
String memberValue = (String)getProperties().get(aClassProp);
Property entityProperty = (Property)Gateway.getStorage().get(entityKey, ClusterStorage.PROPERTY+"/"+aClassProp, null);
if (entityProperty == null)
throw new MembershipException("Property "+aClassProp+ " does not exist for entityKey=" + entityKey );
if (entityProperty.getValue() == null || !entityProperty.getValue().equalsIgnoreCase(memberValue))
throw new MembershipException("Value of mandatory prop "+aClassProp+" does not match: " + entityProperty.getValue()+"!="+memberValue);
}
catch (MembershipException ex) {
throw ex;
}
catch (Exception ex)
{
Logger.error(ex);
throw new MembershipException("Error checking properties");
}
}
}
mEntityKey = entityKey;
mEntity = null;
entityName = null;
}
@Override
public void clearEntity() {
mEntityKey = -1;
mEntity = null;
}
@Override
public EntityProxy resolveEntity() throws ObjectNotFoundException {
if (mEntity == null) {
try {
EntityPath path = new EntityPath(mEntityKey);
mEntity = Gateway.getProxyManager().getProxy(path);
} catch (InvalidEntityPathException ex) {
throw new ObjectNotFoundException("No member defined", "");
}
}
return mEntity;
}
public Image getImage() {
if (image == null) {
image = Resource.getImageResource("typeicons/"+getProperties().get("Type")+"_16.png").getImage();
}
return image;
}
public String getEntityName() {
if (entityName == null) {
if (mEntityKey > -1) {
try {
entityName = resolveEntity().getName();
} catch (ObjectNotFoundException ex) {
Logger.error(ex);
entityName = "Error ("+mEntityKey+")";
}
}
else
entityName = "Empty";
}
return entityName;
}
}
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