| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.openjpa.persistence; |
| |
| import org.apache.openjpa.kernel.DelegatingSeq; |
| import org.apache.openjpa.kernel.Seq; |
| import org.apache.openjpa.kernel.StoreContext; |
| import org.apache.openjpa.meta.ClassMetaData; |
| |
| /** |
| * Represents a store sequence. |
| * |
| * @author Abe White |
| * @since 0.4.1 |
| */ |
| public class GeneratorImpl |
| implements Generator { |
| |
| private final DelegatingSeq _seq; |
| private final String _name; |
| private final StoreContext _ctx; |
| private final ClassMetaData _meta; |
| |
| /** |
| * Constructor; supply delegate. |
| */ |
| public GeneratorImpl(Seq seq, String name, StoreContext ctx, |
| ClassMetaData meta) { |
| _seq = new DelegatingSeq(seq, PersistenceExceptions.TRANSLATOR); |
| _name = name; |
| _ctx = ctx; |
| _meta = meta; |
| } |
| |
| /** |
| * Delegate. |
| */ |
| @Override |
| public Seq getDelegate() { |
| return _seq.getDelegate(); |
| } |
| |
| @Override |
| public String getName() { |
| return _name; |
| } |
| |
| @Override |
| public Object next() { |
| return _seq.next(_ctx, _meta); |
| } |
| |
| @Override |
| public Object current() { |
| return _seq.current(_ctx, _meta); |
| } |
| |
| @Override |
| public void allocate(int additional) { |
| _seq.allocate(additional, _ctx, _meta); |
| } |
| |
| @Override |
| public int hashCode() { |
| return ((_seq == null) ? 0 : _seq.hashCode()); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (other == this) |
| return true; |
| if ((other == null) || (other.getClass() != this.getClass())) |
| return false; |
| if (_seq == null) |
| return false; |
| |
| return _seq.equals(((GeneratorImpl) other)._seq); |
| } |
| } |