DoubleConstraint.java

package de.skuzzle.polly.sdk.constraints;

import de.skuzzle.polly.sdk.Types;
import de.skuzzle.polly.sdk.Types.NumberType;


/**
 * <p>This constraint only accepts strings that are formatted as doubles.</p>
 * 
 * <p>You can get an instance of this constraint using {@link Constraints#DOUBLE}</p>
 * 
 * @author Simon
 * @since 0.7
 */
public class DoubleConstraint implements AttributeConstraint {

    
    DoubleConstraint() {}
    
    @Override
    public boolean accept(Types value) {
        return value instanceof NumberType;
    }
}