Application: gvSIG desktop

package org.gvsig.sldsupport.sld.filter;

public abstract class SLDFilter {

        protected SLDFilterOperator operator = null;

        protected boolean isElse = false;

        public SLDFilter(boolean is_else) {

                isElse = is_else;

        }

        /**

         * If this is true, getFilterOperator() must not be

         * called.

         * 

         * @return

         */

        public boolean isElse() {

                return isElse;

        }

        public SLDFilterOperator getFilterOperator() {

                return operator;

        }

        public void setFilterOperator(SLDFilterOperator ope) {

                operator = ope;

        }

        /**

         * This causes the reset of the SLDFilterOperator

         * 

         * @param expr as a SQL predicate

         */

        public abstract void setSQLExpression(String expr);

        /**

         * Get expression as a SQL predicate

         * @return

         */

        public abstract String getSQLExpression();

}