All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.sca4j.scdl.Scope Maven / Gradle / Ivy

The newest version!
/**
 * SCA4J
 * Copyright (c) 2009 - 2099 Service Symphony Ltd
 *
 * Licensed to you under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.  A copy of the license
 * is included in this distrubtion or you may obtain a copy at
 *
 *    http://www.opensource.org/licenses/apache2.0.php
 *
 * 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.
 *
 * This project contains code licensed from the Apache Software Foundation under
 * the Apache License, Version 2.0 and original code from project contributors.
 *
 *
 * Original Codehaus Header
 *
 * Copyright (c) 2007 - 2008 fabric3 project contributors
 *
 * Licensed to you under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.  A copy of the license
 * is included in this distrubtion or you may obtain a copy at
 *
 *    http://www.opensource.org/licenses/apache2.0.php
 *
 * 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.
 *
 * This project contains code licensed from the Apache Software Foundation under
 * the Apache License, Version 2.0 and original code from project contributors.
 *
 * Original Apache Header
 *
 * Copyright (c) 2005 - 2006 The Apache Software Foundation
 *
 * Apache Tuscany is an effort undergoing incubation at The Apache Software
 * Foundation (ASF), sponsored by the Apache Web Services PMC. Incubation is
 * required of all newly accepted projects until a further review indicates that
 * the infrastructure, communications, and decision making process have stabilized
 * in a manner consistent with other successful ASF projects. While incubation
 * status is not necessarily a reflection of the completeness or stability of the
 * code, it does indicate that the project has yet to be fully endorsed by the ASF.
 *
 * This product includes software developed by
 * The Apache Software Foundation (http://www.apache.org/).
 */
/*
 * 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.sca4j.scdl;

import java.net.URI;

import org.sca4j.api.scope.Conversation;

/**
 * An implementation scope that defines the lifecycle for implementation instances.
 *
 * @version $Rev: 5070 $ $Date: 2008-07-21 17:52:37 +0100 (Mon, 21 Jul 2008) $
 * @param  the type of identifier used to identify instances of this scope
 */
public class Scope extends ModelObject {
    private static final long serialVersionUID = -5300929173662672089L;
    public static final Scope STATELESS = new Scope("STATELESS", Object.class);
    public static final Scope REQUEST = new Scope("REQUEST", Thread.class);
    public static final Scope CONVERSATION = new Scope("CONVERSATION", Conversation.class);
    public static final Scope COMPOSITE = new Scope("COMPOSITE", URI.class);

    private final Class identifierType;
    private final String scope;

    public Scope(String scope, Class identifierType) {
        assert scope != null && identifierType != null;
        this.scope = scope.toUpperCase().intern();
        this.identifierType = identifierType;
    }

    public String getScope() {
        return scope;
    }

    public Class getIdentifierType() {
        return identifierType;
    }

    @SuppressWarnings({"StringEquality"})
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        final Scope scope1 = (Scope) o;
        return scope == scope1.scope;
    }

    public int hashCode() {
        return scope.hashCode();
    }

    public String toString() {
        return scope;
    }
}