Examples of er.extensions.eof.qualifiers.ERXInQualifier

er.extensions.eof.qualifiers.ERXInQualifier
The ERXInQualifier is useful for creating qualifiers that will generate SQL using the 'IN' key word.

For example constructing this qualifer:
ERXInQualifier q = new ERXInQualifier("userId", arrayOfNumbers); Then this qualifier would generate SQL of the form: USER_ID IN (<array of numbers or data>)

    String key = qual.key();
    Object value = NSTranslator.instance.toNeutralValue(qual.value(), entity.attributeNamed(key));
    
    if (operator.equals(EOKeyValueQualifier.QualifierOperatorEqual)) {
      if (qual instanceof ERXInQualifier) {
        ERXInQualifier inQualifier = (ERXInQualifier) qual;
        List<ClauseType> clauses = new ArrayList<ClauseType>();
        
        for (Object o : inQualifier.values()) {
          clauses.add(comparison(entity, key, ComparisonOperator.EQUAL, o));
        }
        return joinWithOrOperator(clauses);
      } else {
        return comparison(entity, key, ComparisonOperator.EQUAL, value);

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            NSArray primaryKeys = primaryKeys();
            NSArray primaryKeysToFetch = primaryKeys.subarrayWithRange(range);


            log.debug("Of primaryKey count: " + primaryKeys.count() + " fetching range: " + range + " which is: " + primaryKeysToFetch.count());


            ERXInQualifier qual = new ERXInQualifier(primaryKeyAttributeName, primaryKeysToFetch);
            EOFetchSpecification batchFS = new EOFetchSpecification(fetchSpecification.entityName(), qual, fetchSpecification.sortOrderings());
            if (fetchSpecification.prefetchingRelationshipKeyPaths() != null) {
              batchFS.setPrefetchingRelationshipKeyPaths(fetchSpecification.prefetchingRelationshipKeyPaths());
            }
            batchFS.setRefreshesRefetchedObjects(fetchSpecification.refreshesRefetchedObjects());

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   * @param values
   *            the values
   * @return an EOKeyValueQualifier
   */
  public static ERXKeyValueQualifier hasValues(String key, NSArray values) {
    return new ERXInQualifier(key, values);
  }

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Related Classes of er.extensions.eof.qualifiers.ERXInQualifier

com.webobjects.eoaccess.EORelationship

com.webobjects.eocontrol.EOAndQualifier

com.webobjects.eocontrol.EOClassDescription

com.webobjects.eocontrol.EOEditingContext

com.webobjects.eocontrol.EOEnterpriseObject

com.webobjects.eocontrol.EOKeyValueQualifier

com.webobjects.eocontrol.EOObjectStoreCoordinator

com.webobjects.foundation.NSArray

com.webobjects.foundation.NSDictionary

com.webobjects.foundation.NSMutableArray

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