Constraints.java

package de.skuzzle.polly.sdk.constraints;

/**
 * Provides constant instances for default constraints like integer, double, boolean
 * and mail addresses.
 * 
 * @author Simon
 * @since 0.9
 */
public interface Constraints {

    /**
     * Constraints a value to <code>true</code> or <code>false</code>
     * @see BooleanConstraint
     */
    public final static AttributeConstraint BOOLEAN = new BooleanConstraint();
    
    /**
     * Constraints a value to a double.
     * @see DoubleConstraint
     */
    public final static AttributeConstraint DOUBLE = new DoubleConstraint();
    
    /**
     * Constraints a value to an integer.
     * @see IntegerConstraint
     */
    public final static AttributeConstraint INTEGER = new IntegerConstraint();
    
    /**
     * Constraints a value to a valid email address.
     * @see MailAddressConstraint
     */
    public final static AttributeConstraint MAILADDRESS = new MailAddressConstraint();
    
    /**
     * Constraints a value to a timespan
     */
    public final static AttributeConstraint TIMESPAN = new TimespanConstraint();
}