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package com.c2kernel.collection;
import java.util.Iterator;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.utils.CastorHashMap;
/**
* @version $Revision: 1.23 $ $Date: 2004/05/14 15:39:39 $
* @author $Author: abranson $
*/
abstract public class Parent2ChildCollection<E extends CollectionMember> implements Collection<E>
{
private int mCounter = -1; // Contains next available Member ID
protected CollectionMemberList<E> mMembers = new CollectionMemberList<E>();
protected int mID = -1;
protected String mName = ""; // Not checked for uniqueness
protected String mURLInfo = "";
@Override
public int getCounter()
{
if (mCounter == -1)
for (Object name : mMembers.list) {
CollectionMember element = (CollectionMember)name;
if (mCounter < element.getID())
mCounter = element.getID();
}
return ++mCounter;
}
@Override
public void setCounter(int count)
{
mCounter = count;
}
@Override
public int size()
{
return mMembers.list.size();
}
public void setID(int id)
{
mID = id;
}
public int getID()
{
return mID;
}
@Override
public void setName(String name)
{
mName = name;
}
public void setURLInfo(String urlInfo)
{
mURLInfo = urlInfo;
}
@Override
public String getName()
{
return mName;
}
@Override
public String getClusterType()
{
return ClusterStorage.COLLECTION;
}
public String getURLInfo()
{
return mURLInfo;
}
@Override
public void setMembers(CollectionMemberList<E> newMembers)
{
mMembers = newMembers;
}
public boolean contains(int entityKey) {
for (Object name : mMembers.list) {
CollectionMember element = (CollectionMember)name;
if (element.getEntityKey() == entityKey)
return true;
}
return false;
}
public boolean isFull()
{
for (int i=0; i<size(); i++)
{
CollectionMember element = mMembers.list.get(i);
if (element.getEntityKey() == -1)
return false;
}
return true;
}
@Override
public E getMember(int memberId) throws ObjectNotFoundException {
for (E element : mMembers.list) {
if (element.getID() == memberId)
return element;
}
throw new ObjectNotFoundException("Member "+memberId+" not found in "+mName, "");
}
@Override
public CollectionMemberList<E> getMembers()
{
return mMembers;
}
@Override
public abstract E addMember(int entityKey, CastorHashMap props, String classProps) throws MembershipException;
public boolean equals(Parent2ChildCollection<?> other) {
boolean same = mName.equals(other.getName()) && mURLInfo.equals(other.getURLInfo()) && size() == other.size();
if (!same) return false;
for (Iterator<E> i = getMembers().list.iterator(); i.hasNext();) {
try {
CollectionMember thisMem = i.next();
CollectionMember otherMem = other.getMember(thisMem.getID());
if (!thisMem.equals(otherMem)) return false;
} catch (ObjectNotFoundException ex) {
return false;
}
}
return true;
}
}
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