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* 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.cayenne.map;
import java.util.Collection;
/**
* Represents an alias for the relationship path.
*
* @since 3.0
*/
class AliasPathComponent<T extends Attribute, U extends Relationship> implements
PathComponent<T, U> {
private String alias;
private Collection<PathComponent<T, U>> path;
private boolean last;
AliasPathComponent(String alias, Collection<PathComponent<T, U>> path, boolean last) {
this.alias = alias;
this.path = path;
this.last = last;
}
public Iterable<PathComponent<T, U>> getAliasedPath() {
return path;
}
public T getAttribute() {
return null;
}
public JoinType getJoinType() {
return JoinType.UNDEFINED;
}
public String getName() {
return alias;
}
public U getRelationship() {
return null;
}
public boolean isAlias() {
return true;
}
public boolean isLast() {
return last;
}
}