Examples with ValueFunction org.springframework.data.relational.core.query.ValueFunction used on opensource projects

Example 1 with ValueFunction

use of org.springframework.data.relational.core.query.ValueFunction in project spring-data-jdbc by spring-projects.

the class QueryMapper method mapCondition.

private Condition mapCondition(CriteriaDefinition criteria, MapSqlParameterSource parameterSource, Table table, @Nullable RelationalPersistentEntity<?> entity) {
    Field propertyField = createPropertyField(entity, criteria.getColumn(), this.mappingContext);
    // Single embedded entity
    if (propertyField.isEmbedded()) {
        return mapEmbeddedObjectCondition(criteria, parameterSource, table, ((MetadataBackedField) propertyField).getPath().getLeafProperty());
    }
    TypeInformation<?> actualType = propertyField.getTypeHint().getRequiredActualType();
    Column column = table.column(propertyField.getMappedColumnName());
    Object mappedValue;
    SQLType sqlType;
    if (criteria.getValue() instanceof JdbcValue) {
        JdbcValue settableValue = (JdbcValue) criteria.getValue();
        mappedValue = convertValue(settableValue.getValue(), propertyField.getTypeHint());
        sqlType = getTypeHint(mappedValue, actualType.getType(), settableValue);
    } else if (criteria.getValue() instanceof ValueFunction) {
        ValueFunction<Object> valueFunction = (ValueFunction<Object>) criteria.getValue();
        Object value = valueFunction.apply(getEscaper(criteria.getComparator()));
        mappedValue = convertValue(value, propertyField.getTypeHint());
        sqlType = propertyField.getSqlType();
    } else if (// 
    propertyField instanceof MetadataBackedField && // 
    ((MetadataBackedField) propertyField).property != null && (criteria.getValue() == null || !criteria.getValue().getClass().isArray())) {
        RelationalPersistentProperty property = ((MetadataBackedField) propertyField).property;
        JdbcValue jdbcValue = convertToJdbcValue(property, criteria.getValue());
        mappedValue = jdbcValue.getValue();
        sqlType = jdbcValue.getJdbcType() != null ? jdbcValue.getJdbcType() : propertyField.getSqlType();
    } else {
        mappedValue = convertValue(criteria.getValue(), propertyField.getTypeHint());
        sqlType = propertyField.getSqlType();
    }
    return createCondition(column, mappedValue, sqlType, parameterSource, criteria.getComparator(), criteria.isIgnoreCase());
}