io.trino.util.PowerOfTwoValidator Maven / Gradle / Ivy
/*
* 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 io.trino.util;
import jakarta.validation.ConstraintValidator;
import jakarta.validation.ConstraintValidatorContext;
public class PowerOfTwoValidator
implements ConstraintValidator
{
@Override
public void initialize(PowerOfTwo powerOfTwo)
{
}
@Override
public boolean isValid(Integer value, ConstraintValidatorContext context)
{
return value == null || Integer.bitCount(value) == 1;
}
}