/*
* Copyright 2015 Robert von Burg <eitch@eitchnet.ch>
*
* 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 li.strolch.model.policy;
/**
* This {@link PolicyDef} adds a further indirection in the resolving of a policy. In this {@link PolicyDef} the value
* is a key used to look up the concrete implementation. Where the look-up is performed depends on the
* {@link PolicyDefVisitor}
*
* @author Robert von Burg <eitch@eitchnet.ch>
*/
public class KeyPolicyDef extends PolicyDef {
public static final String XML_PREFIX = "key:";
public KeyPolicyDef(String type, String value) {
super(type, value);
}
@Override
public <T> Class<T> accept(PolicyDefVisitor visitor) throws ClassNotFoundException {
return visitor.visit(this);
}
@Override
public String getValueForXml() {
return XML_PREFIX + this.value;
}
@Override
public KeyPolicyDef getClone() {
return new KeyPolicyDef(this.type, this.value);
}
}