How to use

getExpression

method

in

org.deegree.filter.comparison.PropertyIsLike

private static void export( PropertyIsLike operator, XMLStreamWriter writer )
            throws XMLStreamException {
  writer.writeStartElement( FES_20_NS, "PropertyIsLike" );
  writer.writeAttribute( "wildCard", operator.getWildCard() );
  writer.writeAttribute( "singleChar", operator.getSingleChar() );
  writer.writeAttribute( "escapeChar", operator.getEscapeChar() );
  export( operator.getExpression(), writer );
  export( operator.getPattern(), writer );
  writer.writeEndElement();
}

private SQLOperation toProtoSql( PropertyIsLike op, String literal )
            throws UnmappableException, FilterEvaluationException {
  String escape = "" + op.getEscapeChar();
  String wildCard = "" + op.getWildCard();
  String singleChar = "" + op.getSingleChar();
  SQLExpression propName = toProtoSQL( op.getExpression() );
  IsLikeString specialString = new IsLikeString( literal, wildCard, singleChar, escape );
  String sqlEncoded = specialString.toSQL( !op.isMatchCase() );
  if ( propName.isMultiValued() ) {
    // TODO escaping of pipe symbols
    sqlEncoded = "%|" + sqlEncoded + "|%";
  }
  return getOperationFromBuilder( op, propName, sqlEncoded );
}

  writer.writeAttribute( "matchCase", "" + isLikeOperator.isMatchCase() );
export( isLikeOperator.getExpression(), writer );
export( isLikeOperator.getPattern(), writer );
break;

String singleChar = "" + op.getSingleChar();
SQLExpression propName = toProtoSQL( op.getExpression() );

String singleChar = "" + op.getSingleChar();
SQLExpression propName = toProtoSQL( op.getExpression() );

case PROPERTY_IS_LIKE:
  PropertyIsLike pil = (PropertyIsLike) op;
  return new PropertyIsLike( copy( pil.getExpression() ), copyExpression( pil.getPattern(), values ),
                pil.getWildCard(), pil.getSingleChar(), pil.getEscapeChar(),
                pil.isMatchCase(), pil.getMatchAction() );