How to use

getInitExpr

method

in

org.drools.lang.descr.TypeFieldDescr

protected TypeFieldDescr buildInheritedFieldDescrFromDefinition( FactField fld, TypeDeclarationDescr typeDescr ) {
  PatternDescr fldType = new PatternDescr();
  TypeFieldDescr inheritedFldDescr = new TypeFieldDescr();
    inheritedFldDescr.setFieldName( fld.getName() );
    fldType.setObjectType( ( (FieldDefinition) fld ).getFieldAccessor().getExtractToClassName() );
    inheritedFldDescr.setPattern( fldType );
  if ( fld.isKey() ) {
    inheritedFldDescr.getAnnotations().put( TypeDeclaration.ATTR_KEY,
                        new AnnotationDescr( TypeDeclaration.ATTR_KEY ) );
  }
    inheritedFldDescr.setIndex( ( (FieldDefinition) fld ).getDeclIndex() );
    inheritedFldDescr.setInherited( true );
    String initExprOverride = ( (FieldDefinition) fld ).getInitExpr();
    int overrideCount = 0;
    // only @aliasing local fields may override defaults.
    for ( TypeFieldDescr localField : typeDescr.getFields().values() ) {
      AnnotationDescr ann = localField.getAnnotation( "Alias" );
      if ( ann != null && fld.getName().equals( ann.getSingleValue().replaceAll( "\"", "" ) ) && localField.getInitExpr() != null ) {
        overrideCount++;
        initExprOverride = localField.getInitExpr();
      }
    }
    if ( overrideCount > 1 ) {
      // however, only one is allowed
      initExprOverride = null;
    }
    inheritedFldDescr.setInitExpr( initExprOverride );
  return inheritedFldDescr;
}

  return false;
} else {
  String initVal = fieldMap.get( fieldName ).getInitExpr();
  if (typeDescr.getFields().get( fieldName ).getInitExpr() == null) {
    typeDescr.getFields().get( fieldName ).setInitExpr( initVal );

fieldDef.setInitExpr( field.getInitExpr() );