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  * Copyright (c) 2010-2011. Axon Framework
  * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.axonframework.commandhandling.annotation;
Field or method level annotation that marks a field or method providing the identifier of the aggregate that a command targets.

If placed on a method, that method must contain no parameters. The return value will be converted to an AggregateIdentifier. When returning a java.util.UUID, it is converted to a org.axonframework.domain.UUIDAggregateIdentifier. Any other value will be wrapped in a org.axonframework.domain.StringAggregateIdentifier wrapping the return value's toString() value.

If placed on a field, the field's value will be converted into an AggregateIdentifier instance identical to how a method's return value is converted.

Allard Buijze
public @interface TargetAggregateIdentifier {
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