Collection.java

package org.objectweb.jonas_ejb.container.jorm;

import java.util.Iterator;
import java.lang.reflect.Array;
import javax.ejb.EJBException;
import org.objectweb.jorm.api.PIndexedElem;
import org.objectweb.jorm.api.PClassMapping;
import org.objectweb.jorm.api.PException;

public class Collection extends GenClassImpl implements java.util.Collection {

    int nextIndex = -1;

    public Collection(PClassMapping gcm) {
        super(gcm);
    }

    public Collection() {
        super();
    }

    public PIndexedElem createPIndexedElem() {
        if (pIndexedElems.size() == 0) {
            nextIndex = 0;
        }
        return new CollectionElement(this, nextIndex++);
    }

    // IMPLEMENT THE Collection INTERFACE //
    //------------------------------------//

    public int size() {
        return size;
    }

    public boolean isEmpty() {
        return size == 0;
    }

    public boolean contains(Object o) {
        try {
            return gcContains((PObject) o, null);
        } catch (PException e) {
            e.printStackTrace();
            throw new ArrayStoreException(e.getMessage());
        }
    }

    public Iterator iterator() {
        try {
            return gcIterator();
        } catch (PException e) {
            e.printStackTrace();
            throw new ArrayStoreException(e.getMessage());
        }
    }

    public Object[] toArray() {
        return toArray(new Object[size]);
    }

    public Object[] toArray(Object[] objects) {
        try {
            int i = 0;
            for (Iterator it = gcIterator(); it.hasNext();) {
                objects[i++] = it.next();
            }
        } catch (PException e) {
            e.printStackTrace();
            throw new ArrayStoreException(e.getMessage());
        }
        return objects;
    }

    public boolean add(Object o) {
        gcAdd((PObject) o, true);
        return true;
    }

    public boolean remove(Object o) {
        try {
            return gcRemove(o, true) != null;
        } catch (PException e) {
            throw new EJBException(e);
        }
    }

    public boolean remove(Object o, boolean callListener) {
        try {
            return gcRemove(o, callListener) != null;
        } catch (PException e) {
            throw new EJBException(e);
        }
    }

    public boolean containsAll(java.util.Collection collection) {
        if (collection == null) {
            return true;
        }
        try {
            boolean res = true;
            Object conn = gcm.getPMapper().getConnection();
            for (Iterator it = collection.iterator(); it.hasNext() && res;) {
                res = gcContains((PObject) it.next(), conn);
            }
            gcm.getPMapper().closeConnection(conn);
            return res;
        } catch (PException e) {
            e.printStackTrace();
            throw new ArrayStoreException(e.getMessage());
        }
    }

    public boolean addAll(java.util.Collection collection) {
        if (collection == null) {
            return true;
        }
        boolean res = true;
        for (Iterator it = collection.iterator(); it.hasNext();) {
            res &= add((PObject) it.next());
        }
        return res;
    }

    public boolean removeAll(java.util.Collection collection) {
        if (collection == null) {
            return true;
        }
        try {
            for (Iterator it = collection.iterator(); it.hasNext();) {
                gcRemove((PObject) it.next(), true);
            }
        } catch (PException e) {
            throw new EJBException(e);
        }
        return true;
    }

    public boolean retainAll(java.util.Collection collection) {
        if (collection == null) {
            clear();
            return true;
        }
        try {
            for (Iterator it = iterator(); it.hasNext();) {
                PObject o = (PObject) it.next();
                if (!collection.contains(o))
                    gcRemove(o, true);
            }
        } catch (PException e) {
            throw new EJBException(e);
        }
        return true;
    }

    public void clear() {
        gcClear(false);
    }
}

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