Package org.eclipse.persistence.queries

Examples of org.eclipse.persistence.queries.ReadObjectQuery

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            }

            // PROCESS TRANSFORMATION MAPPINGS
            List transformationMappings = treeObjectBuilder.getTransformationMappings();
            if (null != transformationMappings) {
                ReadObjectQuery query = new ReadObjectQuery();
                query.setSession((AbstractSession) session);
                for (int x = 0, transformationMappingsSize = transformationMappings.size(); x < transformationMappingsSize; x++) {
                    AbstractTransformationMapping transformationMapping = (AbstractTransformationMapping)transformationMappings.get(x);
                    transformationMapping.readFromRowIntoObject(transformationRecord, null, currentObject, null, query, (AbstractSession) session, true);
                }
            }
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     */
    public void initialize(DescriptorQueryManager queryManager, AbstractSession session) {
        //PERF: set read-object query to cache generated SQL.
        if (!queryManager.hasReadObjectQuery()) {
            // Prepare static read object query always.
            ReadObjectQuery readObjectQuery = new ReadObjectQuery();
            readObjectQuery.setSelectionCriteria(getObjectBuilder().getPrimaryKeyExpression());
            queryManager.setReadObjectQuery(readObjectQuery);
        }
        queryManager.getReadObjectQuery().setName("read" + getJavaClass().getSimpleName());

        if (!queryManager.hasInsertQuery()) {
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          if(null == xmlRow.getDOM().getAttributes().getNamedItemNS(javax.xml.XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI, Constants.SCHEMA_NIL_ATTRIBUTE)) {
              xmlRow.setUnmarshaller(xmlUnmarshaller);
              xmlRow.setDocPresPolicy(xmlContext.getDocumentPreservationPolicy((AbstractSession) readSession));
              XMLObjectBuilder objectBuilder = (XMLObjectBuilder) descriptor.getObjectBuilder();
 
              ReadObjectQuery query = new ReadObjectQuery();
              query.setReferenceClass(referenceClass);
              query.setSession((AbstractSession) readSession);
              object = objectBuilder.buildObject(query, xmlRow, null);
 
              // resolve mapping references
              xmlRow.resolveReferences(readSession, xmlUnmarshaller.getIDResolver());
          }
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                int cacheUsage = ((Integer)valueToApply).intValue();
                ((ObjectLevelReadQuery)query).setCacheUsage(cacheUsage);
                if (cacheUsage == ObjectLevelReadQuery.CheckCacheByExactPrimaryKey
                        || cacheUsage == ObjectLevelReadQuery.CheckCacheByPrimaryKey
                        || cacheUsage == ObjectLevelReadQuery.CheckCacheThenDatabase) {
                    ReadObjectQuery newQuery = new ReadObjectQuery();
                    newQuery.copyFromQuery(query);
                    return newQuery;
                }
            } else if (query.isModifyAllQuery()) {
                int cacheUsage = ((Integer)valueToApply).intValue();
                ((ModifyAllQuery)query).setCacheUsage(cacheUsage);
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            // Allows an query type, or a custom query class.
            DatabaseQuery newQuery = query;
            if (valueToApply.equals(QueryType.ReadAll)) {
                newQuery = new ReadAllQuery();
            } else if (valueToApply.equals(QueryType.ReadObject)) {
                newQuery = new ReadObjectQuery();
            } else if (valueToApply.equals(QueryType.Report)) {
                newQuery = new ReportQuery();
                if (query.isObjectLevelReadQuery()) {
                    ((ReportQuery)newQuery).addAttribute("root", ((ReportQuery)newQuery).getExpressionBuilder());
                }
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                    // value read query
                    databaseQueryToInitialize = new ValueReadQuery();
                }
                else {
                    // read object query for the class mapped to the type
                    databaseQueryToInitialize = new ReadObjectQuery(xrService.getTypeClass(type));
                }
            }
        }
        else {
            databaseQueryToInitialize = new DataModifyQuery();
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                int cacheUsage = ((Integer)valueToApply).intValue();
                ((ObjectLevelReadQuery)query).setCacheUsage(cacheUsage);
                if (cacheUsage == ObjectLevelReadQuery.CheckCacheByExactPrimaryKey
                        || cacheUsage == ObjectLevelReadQuery.CheckCacheByPrimaryKey
                        || cacheUsage == ObjectLevelReadQuery.CheckCacheThenDatabase) {
                    ReadObjectQuery newQuery = new ReadObjectQuery();
                    newQuery.copyFromQuery(query);
                    return newQuery;
                }
            } else if (query.isModifyAllQuery()) {
                int cacheUsage = ((Integer)valueToApply).intValue();
                ((ModifyAllQuery)query).setCacheUsage(cacheUsage);
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        return value;
    }

    protected void populateTargetObjectFromRecord(Vector<DatabaseMapping> mappings,
        AbstractRecord record, Object targetObject, AbstractSession session) {
        ReadObjectQuery roq = new ReadObjectQuery();
        roq.setSession(session);
        for (DatabaseMapping dm : mappings) {
            dm.readFromRowIntoObject(record, null, targetObject, null, roq, session, true);
        }
    }
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            // Allows an query type, or a custom query class.
            DatabaseQuery newQuery = query;
            if (valueToApply.equals(QueryType.ReadAll)) {
                newQuery = new ReadAllQuery();
            } else if (valueToApply.equals(QueryType.ReadObject)) {
                newQuery = new ReadObjectQuery();
            } else if (valueToApply.equals(QueryType.Report)) {
                newQuery = new ReportQuery();
                if (query.isObjectLevelReadQuery()) {
                    ((ReportQuery)newQuery).addAttribute("root", ((ReportQuery)newQuery).getExpressionBuilder());
                }
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        if (type == null) {
            throw new IllegalArgumentException("DynamicHelper.createQuery: Dynamic type not found: " + typeName);
        }

        return new ReadObjectQuery(type.getJavaClass());
    }
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Related Classes of org.eclipse.persistence.queries.ReadObjectQuery

  • org.eclipse.persistence.descriptors.ClassDescriptor
  • org.eclipse.persistence.descriptors.DescriptorQueryManager
  • org.eclipse.persistence.descriptors.InterfacePolicy
  • org.eclipse.persistence.dynamic.DynamicHelper
  • org.eclipse.persistence.internal.descriptors.CascadeLockingPolicy
  • org.eclipse.persistence.internal.dynamic.DynamicEntityImpl
  • org.eclipse.persistence.internal.identitymaps.CacheId
  • org.eclipse.persistence.internal.jpa.EJBQueryImpl
  • org.eclipse.persistence.internal.jpa.EntityManagerImpl
  • org.eclipse.persistence.internal.jpa.QueryHintsHandler$CacheUsageHint
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