/**
 * Represents a unique constraint.
 * @since 2.3
 */
public interface UniqueMetadata extends Metadata {
    /**
     * Method to set the name of the constraint
     * 
     * @param name Name of the constraint
     */
    UniqueMetadata setName(String name);

    /**
     * Accessor for the constraint name.
     * 
     * @return The constraint name
     */
    String getName();

    /**
     * Method to set the table name.
     * 
     * @param table Table name
     */
    UniqueMetadata setTable(String table);

    /**
     * Accessor for the name of the table.
     * 
     * @return The name
     */
    String getTable();

    /**
     * Method to set whether the constraint is deferred.
     * 
     * @param def Deferred?
     */
    UniqueMetadata setDeferred(boolean def);

    /**
     * Accessor for whether deferred.
     * 
     * @return Deferred?
     */
    Boolean getDeferred();

    /**
     * Accessor for all column(s) defined on the unique constraint.
     * 
     * @return The column(s)
     */
    ColumnMetadata[] getColumns();

    /**
     * Add a new column for this unique constraint.
     * 
     * @return The ColumnMetadata
     */
    ColumnMetadata newColumnMetadata();

    /**
     * Accessor for the number of columns defined for this unique constraint.
     * 
     * @return The number of columns
     */
    int getNumberOfColumns();

    /**
     * Accessor for all fields/properties defined on the unique constraint.
     * @return The members
     */
    MemberMetadata[] getMembers();

    /**
     * Accessor for the number of fields/properties defined for this unique constraint.
     * @return The number of members
     */
    int getNumberOfMembers();

    /**
     * Add a new field for this unique constraint.
     * 
     * @param name Name of the field
     * @return The FieldMetadata
     */
    FieldMetadata newFieldMetadata(String name);

    /**
     * Add a new property for this unique constraint.
     * 
     * @param name Name of the property
     * @return The PropertyMetadata
     */
    PropertyMetadata newPropertyMetadata(String name);
}