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- /*
- @VaadinApache2LicenseForJavaFiles@
- */
- package com.vaadin.data.util.sqlcontainer.query.generator.filter;
-
- import com.vaadin.data.Container.Filter;
- import com.vaadin.data.util.filter.IsNull;
- import com.vaadin.data.util.sqlcontainer.query.generator.StatementHelper;
-
- public class IsNullTranslator implements FilterTranslator {
-
- @Override
- public boolean translatesFilter(Filter filter) {
- return filter instanceof IsNull;
- }
-
- @Override
- public String getWhereStringForFilter(Filter filter, StatementHelper sh) {
- IsNull in = (IsNull) filter;
- return QueryBuilder.quote(in.getPropertyId()) + " IS NULL";
- }
- }
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