tools/model-detail/src/main/java/org/apache/zest/tools/model/descriptor/MethodConstraintDetailDescriptor.java

/*
 * Copyright (c) 2008, Edward Yakop. All Rights Reserved.
 *
 * 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.apache.zest.tools.model.descriptor;

import org.apache.zest.api.constraint.ConstraintDescriptor;

import static org.apache.zest.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;
    }
}