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package com.c2kernel.collection;
import java.util.StringTokenizer;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.entity.proxy.EntityProxy;
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.CastorHashMap;
import com.c2kernel.utils.KeyValuePair;
import com.c2kernel.utils.Logger;
/**
* @version $Revision: 1.10 $ $Date: 2004/10/21 08:02:23 $
* @author $Author: abranson $
*/
public class DependencyMember implements CollectionMember
{
private int mEntityKey = -1;
private EntityProxy mEntity = null;
private int mId = -1;
private CastorHashMap mProperties = null;
private String mClassProps;
/**************************************************************************
*
**************************************************************************/
public DependencyMember()
{
mEntityKey = -1;
mProperties = new CastorHashMap();
}
@Override
public void setEntityKey(int entityKey)
{
mEntityKey = entityKey;
mEntity = null;
}
@Override
public int getEntityKey()
{
return mEntityKey;
}
@Override
public void setProperties(CastorHashMap props)
{
mProperties = props;
}
@Override
public CastorHashMap getProperties()
{
return mProperties;
}
public KeyValuePair[] getKeyValuePairs()
{
return mProperties.getKeyValuePairs();
}
public void setKeyValuePairs(KeyValuePair[] pairs)
{
mProperties.setKeyValuePairs(pairs);
}
@Override
public int getID() {
return mId;
}
@Override
public void setID(int id) {
mId = id;
}
@Override
public void setClassProps(String props)
{
mClassProps = props;
}
@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().equalsIgnoreCase(memberValue))
throw new MembershipException("DependencyMember::checkProperty() Values of mandatory prop "+aClassProp+" do not match " + entityProperty.getValue()+"!="+memberValue);
}
catch (Exception ex)
{
Logger.error(ex);
throw new MembershipException("Error checking properties");
}
}
}
mEntityKey = entityKey;
mEntity = 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;
}
}
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