/* | |
* 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 org.apache.openjpa.conf.OpenJPAConfiguration; | |
/** | |
* Represents a database slice of immutable logical name, a configuration and | |
* status. | |
* | |
* @author Pinaki Poddar | |
* | |
*/ | |
public class Slice implements Comparable<Slice> { | |
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(); | |
} | |
} |