MethodConstraintDetailDescriptor.java

/*  Copyright 2008 Edward Yakop.
*
* 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 org.qi4j.tools.model.descriptor;

import org.qi4j.api.constraint.ConstraintDescriptor;

import static org.qi4j.api.util.NullArgumentException.validateNotNull;

public final class MethodConstraintDetailDescriptor
{
    private final ConstraintDescriptor descriptor;
    private MethodConstraintsDetailDescriptor constraints;

    MethodConstraintDetailDescriptor( ConstraintDescriptor aDescriptor )
        throws IllegalArgumentException
    {
        validateNotNull( "aDescriptor", aDescriptor );

        descriptor = aDescriptor;
    }

    /**
     * @return Descriptor of this {@code MethodConstraintDetailDescriptor}. Never returns {@code null}.
     *
     * @since 0.5
     */
    public final ConstraintDescriptor descriptor()
    {
        return descriptor;
    }

    /**
     * @return Constraints that own this {@code MethodConstraintDetailDescriptor}. Never return {@code null}.
     *
     * @since 0.5
     */
    public final MethodConstraintsDetailDescriptor constraints()
    {
        return constraints;
    }

   @Override
   public String toString()
   {
      return descriptor.annotation().toString();
   }

   final void setConstraints( MethodConstraintsDetailDescriptor aDescriptor )
        throws IllegalArgumentException
    {
        validateNotNull( "aDescriptor", aDescriptor );

        constraints = aDescriptor;
    }
}