Package org.eclipse.persistence.queries

Examples of org.eclipse.persistence.queries.DeleteAllQuery

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     * INTERNAL
     * Returns a DatabaseQuery instance representing the owning
     * ParseTree. This implementation returns a DeleteAllQuery instance.
     */
    public DatabaseQuery createDatabaseQuery(ParseTreeContext context) {
        DeleteAllQuery query = new DeleteAllQuery();
        query.setShouldDeferExecutionInUOW(false);
        return query;
    }
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            } else if (valueToApply.equals(QueryType.ResultSetMapping)) {
                newQuery = new ResultSetMappingQuery();
            } else if (valueToApply.equals(QueryType.UpdateAll)) {
                newQuery = new UpdateAllQuery();
            } else if (valueToApply.equals(QueryType.DeleteAll)) {
                newQuery = new DeleteAllQuery();
            } else if (valueToApply.equals(QueryType.DataModify)) {
                newQuery = new DataModifyQuery();
            } else if (valueToApply.equals(QueryType.DataRead)) {
                newQuery = new DataReadQuery();
            } else if (valueToApply.equals(QueryType.DirectRead)) {
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            } else if (valueToApply.equals(QueryType.ResultSetMapping)) {
                newQuery = new ResultSetMappingQuery();
            } else if (valueToApply.equals(QueryType.UpdateAll)) {
                newQuery = new UpdateAllQuery();
            } else if (valueToApply.equals(QueryType.DeleteAll)) {
                newQuery = new DeleteAllQuery();
            } else if (valueToApply.equals(QueryType.DataModify)) {
                newQuery = new DataModifyQuery();
            } else if (valueToApply.equals(QueryType.DataRead)) {
                newQuery = new DataReadQuery();
            } else if (valueToApply.equals(QueryType.DirectRead)) {
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        this.aggregateToSourceFields = new HashMap(5);
        this.nestedAggregateToSourceFields = new HashMap<String, Map<String, DatabaseField>>(5);
        this.targetForeignKeyToSourceKeys = new HashMap(5);
        this.sourceKeyFields = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(1);
        this.targetForeignKeyFields = org.eclipse.persistence.internal.helper.NonSynchronizedVector.newInstance(1);
        this.deleteAllQuery = new DeleteAllQuery();
        //aggregates should always cascade all operations
        this.setCascadeAll(true);
        this.isListOrderFieldSupported = true;
        this.isListOrderFieldUpdatable = true;
        this.isPrivateOwned = true;       
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                }
            }
        }

        if (shouldRepairOrder) {
            DeleteAllQuery deleteAllQuery = (DeleteAllQuery)this.deleteAllQuery;
            if (this.isCascadeOnDeleteSetOnDatabase) {
                deleteAllQuery = (DeleteAllQuery)deleteAllQuery.clone();
                deleteAllQuery.setIsInMemoryOnly(false);
            }
            deleteAllQuery.executeDeleteAll(query.getSession().getSessionForClass(getReferenceClass()), query.getTranslationRow(), new Vector(previousList));
        } else {
            // Next index the previous objects (read from db or from backup in uow)
            for(int i=0; i < previousList.size(); i++) {
                Object previousObject = previousList.get(i);
                CacheId primaryKey = (CacheId)getReferenceDescriptor().getObjectBuilder().extractPrimaryKeyFromObject(previousObject, query.getSession());
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    /**
     * Overrides CollectionMappig because this mapping requires a DeleteAllQuery instead of a ModifyQuery. 
     */
    protected ModifyQuery getDeleteAllQuery() {
        if (deleteAllQuery == null) {
            deleteAllQuery = new DeleteAllQuery();//this is casted to a DeleteAllQuery
        }
        return deleteAllQuery;
    }
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     * INTERNAL:
     * Initialize delete all query. This query is used to delete the collection of objects from the
     * target table.
     */
    protected void initializeDeleteAllQuery(AbstractSession session) {
        DeleteAllQuery query = (DeleteAllQuery)getDeleteAllQuery();
        query.setReferenceClass(getReferenceClass());
        query.setDescriptor(getReferenceDescriptor());
        query.setShouldMaintainCache(false);
        query.setIsInMemoryOnly(isCascadeOnDeleteSetOnDatabase());
        if (query.getPartitioningPolicy() == null) {
            query.setPartitioningPolicy(getPartitioningPolicy());
        }
        if (!hasCustomDeleteAllQuery()) {
            if (getSelectionCriteria() == null) {
                query.setSelectionCriteria(getDeleteAllCriteria(session));
            } else {
                query.setSelectionCriteria(getSelectionCriteria());
            }
        }
    }
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     * {@inheritDoc}
     */
    @Override
    public void visit(DeleteStatement expression) {

      DeleteAllQuery query = queryContext.getDatabaseQuery();

      // Create and prepare the query
      if (query == null) {
        query = new DeleteAllQuery();
        queryContext.setDatabasQuery(query);
        query.setJPQLString(jpqlQuery);
        ((JPQLCallQueryMechanism) query.getQueryMechanism()).getJPQLCall().setIsParsed(true);
      }

      query.setSession(queryContext.getSession());
      query.setShouldDeferExecutionInUOW(false);

      // Now populate it
      DeleteQueryVisitor visitor = new DeleteQueryVisitor(queryContext, query);
      expression.accept(visitor);
    }
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     * INTERNAL
     * Returns a DatabaseQuery instance representing the owning
     * ParseTree. This implementation returns a DeleteAllQuery instance.
     */
    public DatabaseQuery createDatabaseQuery(ParseTreeContext context) {
        DeleteAllQuery query = new DeleteAllQuery();
        query.setShouldDeferExecutionInUOW(false);
        return query;
    }
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            } else if (valueToApply.equals(QueryType.ResultSetMapping)) {
                newQuery = new ResultSetMappingQuery();
            } else if (valueToApply.equals(QueryType.UpdateAll)) {
                newQuery = new UpdateAllQuery();
            } else if (valueToApply.equals(QueryType.DeleteAll)) {
                newQuery = new DeleteAllQuery();
            } else if (valueToApply.equals(QueryType.DataModify)) {
                newQuery = new DataModifyQuery();
            } else if (valueToApply.equals(QueryType.DataRead)) {
                newQuery = new DataReadQuery();
            } else if (valueToApply.equals(QueryType.DirectRead)) {
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Related Classes of org.eclipse.persistence.queries.DeleteAllQuery

  • org.eclipse.persistence.descriptors.ClassDescriptor
  • org.eclipse.persistence.descriptors.DescriptorEvent
  • org.eclipse.persistence.internal.jpa.jpql.HermesParser$DatabaseQueryVisitor
  • org.eclipse.persistence.internal.jpa.parsing.DeleteNode
  • org.eclipse.persistence.internal.jpa.QueryHintsHandler$QueryTypeHint
  • org.eclipse.persistence.mappings.AggregateCollectionMapping
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