org.hibernate.validator.internal.metadata.aggregated.rule.VoidMethodsMustNotBeReturnValueConstrained Maven / Gradle / Ivy

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*
* 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,
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* See the License for the specific language governing permissions and
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package org.hibernate.validator.internal.metadata.aggregated.rule;

import org.hibernate.validator.internal.metadata.raw.ConstrainedExecutable;

/**
 * Rule that ensures that void methods don't have any constraints or are marked
 * as cascaded.
 *
 * @author Gunnar Morling
 */
public class VoidMethodsMustNotBeReturnValueConstrained extends MethodConfigurationRule {

	@Override
	public void apply(ConstrainedExecutable method, ConstrainedExecutable otherMethod) {
		if ( method.getLocation().getExecutableElement().getReturnType() == void.class &&
				( !method.getConstraints().isEmpty() || method.isCascading() ) ) {
			throw log.getVoidMethodsMustNotBeConstrainedException( method.getLocation().getMember() );
		}
	}
}