| /* |
| * 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.slice; |
| |
| import java.io.Serializable; |
| |
| import org.apache.openjpa.conf.OpenJPAConfiguration; |
| |
| /** |
| * Represents a database slice of immutable logical name, a configuration and |
| * status. A Slice is uniquely identified by its logical name. |
| * |
| * @author Pinaki Poddar |
| * |
| */ |
| @SuppressWarnings("serial") |
| public class Slice implements Comparable<Slice>,Serializable { |
| public enum Status { |
| NOT_INITIALIZED, |
| ACTIVE, |
| INACTIVE, // configured but not available |
| EXCLUDED // configured but not used |
| }; |
| |
| private final String name; |
| private transient final OpenJPAConfiguration conf; |
| private transient Status status; |
| |
| /** |
| * Supply the logical name and configuration. |
| */ |
| public Slice(String name, OpenJPAConfiguration conf) { |
| this.name = name; |
| this.conf = conf; |
| this.status = Status.NOT_INITIALIZED; |
| } |
| |
| /** |
| * Gets the immutable logical name. |
| */ |
| public String getName() { |
| return name; |
| } |
| |
| public OpenJPAConfiguration getConfiguration() { |
| return conf; |
| } |
| |
| public Status getStatus() { |
| return status; |
| } |
| |
| public void setStatus(Status status) { |
| this.status = status; |
| } |
| |
| public boolean isActive() { |
| return status == Status.ACTIVE; |
| } |
| |
| public String toString() { |
| return name; |
| } |
| |
| public int compareTo(Slice other) { |
| return name.compareTo(other.name); |
| } |
| |
| /** |
| * Equals by name. |
| */ |
| @Override |
| public boolean equals(Object other) { |
| if (this == other) return true; |
| if (other == null) return false; |
| if (other instanceof Slice) { |
| return name.equals(((Slice)other).getName()); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return name.hashCode(); |
| } |
| } |