/*
 * Copyright 2010-2012 Luca Garulli (l.garulli--at--orientechnologies.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.orientechnologies.orient.object.iterator;

import java.util.Iterator;

import com.orientechnologies.orient.core.db.object.ODatabaseObject;
import com.orientechnologies.orient.core.db.record.ODatabaseRecord;
import com.orientechnologies.orient.core.db.record.ODatabaseRecordAbstract;
import com.orientechnologies.orient.core.iterator.ORecordIteratorClass;
import com.orientechnologies.orient.core.iterator.object.OObjectIteratorClassInterface;
import com.orientechnologies.orient.core.record.impl.ODocument;

@SuppressWarnings("unchecked")
public class OObjectIteratorClass<T> implements OObjectIteratorClassInterface<T> {
  private ODatabaseObject                 database;
  private ORecordIteratorClass<ODocument> underlying;
  private String                          fetchPlan;

  public OObjectIteratorClass(final ODatabaseObject iDatabase, final ODatabaseRecordAbstract iUnderlyingDatabase,
      final String iClusterName, final boolean iPolymorphic) {
    database = iDatabase;
    underlying = new ORecordIteratorClass<ODocument>((ODatabaseRecord) iDatabase.getUnderlying(), iUnderlyingDatabase,
        iClusterName, iPolymorphic, true, false);
  }

  public boolean hasNext() {
    return underlying.hasNext();
  }

  public T next() {
    return next(fetchPlan);
  }

  public T next(final String iFetchPlan) {
    return (T) database.getUserObjectByRecord(underlying.next(), iFetchPlan);
  }

  public void remove() {
    underlying.remove();
  }

  public Iterator<T> iterator() {
    return this;
  }

  public String getFetchPlan() {
    return fetchPlan;
  }

  public OObjectIteratorClass<T> setFetchPlan(String fetchPlan) {
    this.fetchPlan = fetchPlan;
    return this;
  }

}
