Examples of org.eclipse.persistence.queries.InsertObjectQuery

org.eclipse.persistence.queries.InsertObjectQuery

Purpose: Used for inserting new objects into the database.
Description: This class does not have much behavior. It inherits most of it's behavior from WriteObjectQuery @author Yvon Lavoie @since TOPLink/Java 1.0

     * INTERNAL:
     * An object was added to the collection during an update, insert it if private.
     */
    protected void objectAddedDuringUpdate(ObjectLevelModifyQuery query, Object objectAdded, ObjectChangeSet changeSet, Map extraData) throws DatabaseException, OptimisticLockException {
        // Insert must not be done for uow or cascaded queries and we must cascade to cascade policy.
        InsertObjectQuery insertQuery = getAndPrepareModifyQueryForInsert(query, objectAdded);
        ContainerPolicy.copyMapDataToRow(extraData, insertQuery.getModifyRow());
        if(this.listOrderField != null && extraData != null) {
            insertQuery.getModifyRow().put(this.listOrderField, extraData.get(this.listOrderField));
        }
        query.getSession().executeQuery(insertQuery, insertQuery.getTranslationRow());
    }

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        // insert each object one by one
        ContainerPolicy cp = getContainerPolicy();
        for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
            Object wrappedObject = cp.nextEntry(iter, query.getSession());
            Object object = cp.unwrapIteratorResult(wrappedObject);
            InsertObjectQuery insertQuery = getAndPrepareModifyQueryForInsert(query, object);
            ContainerPolicy.copyMapDataToRow(cp.getKeyMappingDataForWriteQuery(wrappedObject, query.getSession()), insertQuery.getModifyRow());
            if(this.listOrderField != null) {
                insertQuery.getModifyRow().add(this.listOrderField, index++);
            }
            query.getSession().executeQuery(insertQuery, insertQuery.getTranslationRow());
            cp.propogatePostInsert(query, wrappedObject);
        }
    }

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        // pre-insert each object one by one
        ContainerPolicy cp = getContainerPolicy();
        for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
            Object wrappedObject = cp.nextEntry(iter, query.getSession());
            Object object = cp.unwrapIteratorResult(wrappedObject);
            InsertObjectQuery insertQuery = getAndPrepareModifyQueryForInsert(query, object);
            ContainerPolicy.copyMapDataToRow(cp.getKeyMappingDataForWriteQuery(wrappedObject, query.getSession()), insertQuery.getModifyRow());
            if(this.listOrderField != null) {
                insertQuery.getModifyRow().add(this.listOrderField, index++);
            }


            // aggregates do not actually use a query to write to the database so the pre-write must be called here
            executeEvent(DescriptorEventManager.PreWriteEvent, insertQuery);
            executeEvent(DescriptorEventManager.PreInsertEvent, insertQuery);

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    /**
     * INTERNAL:
     * Returns clone of InsertObjectQuery from the reference descriptor, if it is not set - create it.
     */
    protected InsertObjectQuery getInsertObjectQuery(AbstractSession session, ClassDescriptor desc) {
        InsertObjectQuery insertQuery = desc.getQueryManager().getInsertQuery();
        if (insertQuery == null) {
            insertQuery = new InsertObjectQuery();
            desc.getQueryManager().setInsertQuery(insertQuery);
        }
        if (insertQuery.getModifyRow() == null) {
            AbstractRecord modifyRow = new DatabaseRecord();
            for (int i = 0; i < getTargetForeignKeyFields().size(); i++) {
                DatabaseField field = getTargetForeignKeyFields().elementAt(i);
                modifyRow.put(field, null);
            }
            desc.getObjectBuilder().buildTemplateInsertRow(session, modifyRow);
            getContainerPolicy().addFieldsForMapKey(modifyRow);
            if(this.listOrderField != null) {
                modifyRow.put(this.listOrderField, null);
            }
            insertQuery.setModifyRow(modifyRow);
        }
        return insertQuery;
    }

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     * setup the modifyQuery for post insert/update and pre delete
     */
    public InsertObjectQuery getAndPrepareModifyQueryForInsert(ObjectLevelModifyQuery originalQuery, Object object) {
        AbstractSession session = originalQuery.getSession();
        ClassDescriptor objReferenceDescriptor = getReferenceDescriptor(object.getClass(), session);
        InsertObjectQuery insertQueryFromDescriptor = getInsertObjectQuery(session, objReferenceDescriptor);
        insertQueryFromDescriptor.checkPrepare(session, insertQueryFromDescriptor.getModifyRow());


        InsertObjectQuery insertQuery = (InsertObjectQuery)insertQueryFromDescriptor.clone();
        insertQuery.setObject(object);
        insertQuery.setDescriptor(objReferenceDescriptor);


        AbstractRecord targetForeignKeyRow = new DatabaseRecord();
        Vector referenceObjectKeys = getReferenceObjectKeys(originalQuery);
        for (int keyIndex = 0; keyIndex < getTargetForeignKeyFields().size(); keyIndex++) {
            targetForeignKeyRow.put(getTargetForeignKeyFields().elementAt(keyIndex), referenceObjectKeys.elementAt(keyIndex));
        }


        insertQuery.setModifyRow(targetForeignKeyRow);
        insertQuery.setTranslationRow(targetForeignKeyRow);
        insertQuery.setSession(session);
        insertQuery.setCascadePolicy(originalQuery.getCascadePolicy());
        insertQuery.dontMaintainCache();


        // For bug 2863721 must set a backup clone for compatibility with
        // old event mechanism, even though for AggregateCollections there is no
        // way to get a backup directly from a clone.
        if (session.isUnitOfWork()) {
            Object backupAttributeValue = getReferenceDescriptor(object.getClass(), session).getObjectBuilder().buildNewInstance();
            insertQuery.setBackupClone(backupAttributeValue);
        }
        return insertQuery;
    }

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     */
    public void setInsertCall(Call call) {
        if (call == null) {
            return;
        }
        InsertObjectQuery query = new InsertObjectQuery();
        query.setCall(call);
        setInsertQuery(query);
    }

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    public void setInsertSQLString(String sqlString) {
        if (sqlString == null) {
            return;
        }


        InsertObjectQuery query = new InsertObjectQuery();
        query.setSQLString(sqlString);
        setInsertQuery(query);
    }

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     * INTERNAL:
     * An object was added to the collection during an update, insert it if private.
     */
    protected void objectAddedDuringUpdate(ObjectLevelModifyQuery query, Object objectAdded, ObjectChangeSet changeSet, Map extraData) throws DatabaseException, OptimisticLockException {
        // Insert must not be done for uow or cascaded queries and we must cascade to cascade policy.
        InsertObjectQuery insertQuery = getAndPrepareModifyQueryForInsert(query, objectAdded);
        ContainerPolicy.copyMapDataToRow(extraData, insertQuery.getModifyRow());
        if(this.listOrderField != null && extraData != null) {
            insertQuery.getModifyRow().put(this.listOrderField, extraData.get(this.listOrderField));
        }
        query.getSession().executeQuery(insertQuery, insertQuery.getTranslationRow());
    }

View Full Code Here

        // insert each object one by one
        ContainerPolicy cp = getContainerPolicy();
        for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
            Object wrappedObject = cp.nextEntry(iter, query.getSession());
            Object object = cp.unwrapIteratorResult(wrappedObject);
            InsertObjectQuery insertQuery = getAndPrepareModifyQueryForInsert(query, object);
            ContainerPolicy.copyMapDataToRow(cp.getKeyMappingDataForWriteQuery(wrappedObject, query.getSession()), insertQuery.getModifyRow());
            if(this.listOrderField != null) {
                insertQuery.getModifyRow().add(this.listOrderField, index++);
            }
            query.getSession().executeQuery(insertQuery, insertQuery.getTranslationRow());
            cp.propogatePostInsert(query, wrappedObject);
        }
    }

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        // pre-insert each object one by one
        ContainerPolicy cp = getContainerPolicy();
        for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
            Object wrappedObject = cp.nextEntry(iter, query.getSession());
            Object object = cp.unwrapIteratorResult(wrappedObject);
            InsertObjectQuery insertQuery = getAndPrepareModifyQueryForInsert(query, object);
            ContainerPolicy.copyMapDataToRow(cp.getKeyMappingDataForWriteQuery(wrappedObject, query.getSession()), insertQuery.getModifyRow());
            if(this.listOrderField != null) {
                insertQuery.getModifyRow().add(this.listOrderField, index++);
            }


            // aggregates do not actually use a query to write to the database so the pre-write must be called here
            executeEvent(DescriptorEventManager.PreWriteEvent, insertQuery);
            executeEvent(DescriptorEventManager.PreInsertEvent, insertQuery);

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Related Classes of org.eclipse.persistence.queries.InsertObjectQuery

org.eclipse.persistence.descriptors.ClassDescriptor

org.eclipse.persistence.descriptors.DescriptorQueryManager

org.eclipse.persistence.mappings.AggregateCollectionMapping

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