Package org.eclipse.persistence.queries

Examples of org.eclipse.persistence.queries.ReadQuery

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        if ((getDescriptor() != null) && (getDescriptor().getHistoryPolicy() != null)) {
            Expression temporalCriteria = getDescriptor().getHistoryPolicy().additionalHistoryExpression(this, this);
            normalizer.addAdditionalExpression(temporalCriteria);
        }

        ReadQuery query = normalizer.getStatement().getQuery();
        // Record any class used in a join to invalidate query results cache.
        if ((query != null) && query.shouldCacheQueryResults()) {
            if (this.queryClass != null) {
                query.getQueryResultsCachePolicy().getInvalidationClasses().add(this.queryClass);
            }
        }

        return this;
    }
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            super(QueryHints.QUERY_RESULTS_CACHE_SIZE, "");
        }
   
        DatabaseQuery applyToDatabaseQuery(Object valueToApply, DatabaseQuery query, ClassLoader loader) {
            if (query.isReadQuery()) {
                ReadQuery readQuery = (ReadQuery)query;
                if (readQuery.getQueryResultsCachePolicy() == null) {
                    readQuery.cacheQueryResults();
                }
                try {
                    readQuery.getQueryResultsCachePolicy().setMaximumCachedResults(Integer.parseInt((String)valueToApply));
                } catch (NumberFormatException exception) {
                    throw QueryException.queryHintContainedInvalidIntegerValue(QueryHints.QUERY_RESULTS_CACHE_SIZE, valueToApply, exception);
                }
            } else {
                throw new IllegalArgumentException(ExceptionLocalization.buildMessage("ejb30-wrong-type-for-query-hint",new Object[]{getQueryId(query), name, getPrintValue(valueToApply)}));
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            super(QueryHints.QUERY_RESULTS_CACHE_EXPIRY, "");
        }
   
        DatabaseQuery applyToDatabaseQuery(Object valueToApply, DatabaseQuery query, ClassLoader loader) {
            if (query.isReadQuery()) {
                ReadQuery readQuery = (ReadQuery)query;
                if (readQuery.getQueryResultsCachePolicy() == null) {
                    readQuery.cacheQueryResults();
                }
                try {
                    readQuery.getQueryResultsCachePolicy().setCacheInvalidationPolicy(
                            new TimeToLiveCacheInvalidationPolicy(Integer.parseInt((String)valueToApply)));
                } catch (NumberFormatException exception) {
                    throw QueryException.queryHintContainedInvalidIntegerValue(QueryHints.QUERY_RESULTS_CACHE_EXPIRY, valueToApply, exception);
                }
            } else {
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            super(QueryHints.QUERY_RESULTS_CACHE_TYPE, "");
        }
   
        DatabaseQuery applyToDatabaseQuery(Object valueToApply, DatabaseQuery query, ClassLoader loader) {
            if (query.isReadQuery()) {
                ReadQuery readQuery = (ReadQuery)query;
                if (readQuery.getQueryResultsCachePolicy() == null) {
                    readQuery.cacheQueryResults();
                }
                if (valueToApply == null) {
                    // Leave as default.
                } else if (valueToApply.equals(CacheType.SOFT_WEAK.name())) {
                    readQuery.getQueryResultsCachePolicy().setCacheType(ClassConstants.SoftCacheWeakIdentityMap_Class);
                } else if (valueToApply.equals(CacheType.FULL.name())) {
                    readQuery.getQueryResultsCachePolicy().setCacheType(ClassConstants.FullIdentityMap_Class);
                } else if (valueToApply.equals(CacheType.WEAK.name())) {
                    readQuery.getQueryResultsCachePolicy().setCacheType(ClassConstants.WeakIdentityMap_Class);
                }  else if (valueToApply.equals(CacheType.SOFT.name())) {
                    readQuery.getQueryResultsCachePolicy().setCacheType(ClassConstants.SoftIdentityMap_Class);
                } else if (valueToApply.equals(CacheType.HARD_WEAK.name())) {
                    readQuery.getQueryResultsCachePolicy().setCacheType(ClassConstants.HardCacheWeakIdentityMap_Class);
                } else if (valueToApply.equals(CacheType.CACHE.name())) {
                    readQuery.getQueryResultsCachePolicy().setCacheType(ClassConstants.CacheIdentityMap_Class);
                } else if (valueToApply.equals(CacheType.NONE.name())) {
                    readQuery.getQueryResultsCachePolicy().setCacheType(ClassConstants.NoIdentityMap_Class);
                } else {
                    throw new IllegalArgumentException(ExceptionLocalization.buildMessage("ejb30-wrong-query-hint-value",new Object[]{getQueryId(query), name, getPrintValue(valueToApply)}));
                }
            } else {
                throw new IllegalArgumentException(ExceptionLocalization.buildMessage("ejb30-wrong-type-for-query-hint",new Object[]{getQueryId(query), name, getPrintValue(valueToApply)}));
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            super(QueryHints.QUERY_RESULTS_CACHE_EXPIRY_TIME_OF_DAY, "");
        }
   
        DatabaseQuery applyToDatabaseQuery(Object valueToApply, DatabaseQuery query, ClassLoader loader) {
            if (query.isReadQuery()) {
                ReadQuery readQuery = (ReadQuery)query;
                if (readQuery.getQueryResultsCachePolicy() == null) {
                    readQuery.cacheQueryResults();
                }
                try {
                    Time time = Helper.timeFromString((String)valueToApply);
                    Calendar calendar = Calendar.getInstance();
                    calendar.setTime(time);
                    readQuery.getQueryResultsCachePolicy().setCacheInvalidationPolicy(
                            new DailyCacheInvalidationPolicy(calendar.get(Calendar.HOUR_OF_DAY), calendar.get(Calendar.MINUTE), calendar.get(Calendar.SECOND), 0));
                } catch (ConversionException exception) {
                    throw QueryException.queryHintContainedInvalidIntegerValue(QueryHints.QUERY_RESULTS_CACHE_EXPIRY_TIME_OF_DAY, valueToApply, exception);
                }
            } else {
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            super(QueryHints.QUERY_RESULTS_CACHE_SIZE, "");
        }
   
        DatabaseQuery applyToDatabaseQuery(Object valueToApply, DatabaseQuery query, ClassLoader loader, AbstractSession activeSession) {
            if (query.isReadQuery()) {
                ReadQuery readQuery = (ReadQuery)query;
                if (readQuery.getQueryResultsCachePolicy() == null) {
                    readQuery.cacheQueryResults();
                }
                try {
                    readQuery.getQueryResultsCachePolicy().setMaximumCachedResults(Integer.parseInt((String)valueToApply));
                } catch (NumberFormatException exception) {
                    throw QueryException.queryHintContainedInvalidIntegerValue(QueryHints.QUERY_RESULTS_CACHE_SIZE, valueToApply, exception);
                }
            } else {
                throw new IllegalArgumentException(ExceptionLocalization.buildMessage("ejb30-wrong-type-for-query-hint",new Object[]{getQueryId(query), name, getPrintValue(valueToApply)}));
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            super(QueryHints.QUERY_RESULTS_CACHE_EXPIRY, "");
        }
   
        DatabaseQuery applyToDatabaseQuery(Object valueToApply, DatabaseQuery query, ClassLoader loader, AbstractSession activeSession) {
            if (query.isReadQuery()) {
                ReadQuery readQuery = (ReadQuery)query;
                if (readQuery.getQueryResultsCachePolicy() == null) {
                    readQuery.cacheQueryResults();
                }
                try {
                    readQuery.getQueryResultsCachePolicy().setCacheInvalidationPolicy(
                            new TimeToLiveCacheInvalidationPolicy(Integer.parseInt((String)valueToApply)));
                } catch (NumberFormatException exception) {
                    throw QueryException.queryHintContainedInvalidIntegerValue(QueryHints.QUERY_RESULTS_CACHE_EXPIRY, valueToApply, exception);
                }
            } else {
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            super(QueryHints.QUERY_RESULTS_CACHE_TYPE, "");
        }
   
        DatabaseQuery applyToDatabaseQuery(Object valueToApply, DatabaseQuery query, ClassLoader loader, AbstractSession activeSession) {
            if (query.isReadQuery()) {
                ReadQuery readQuery = (ReadQuery)query;
                if (readQuery.getQueryResultsCachePolicy() == null) {
                    readQuery.cacheQueryResults();
                }
                if (valueToApply == null) {
                    // Leave as default.
                } else if (valueToApply.equals(CacheType.SOFT_WEAK.name())) {
                    readQuery.getQueryResultsCachePolicy().setCacheType(ClassConstants.SoftCacheWeakIdentityMap_Class);
                } else if (valueToApply.equals(CacheType.FULL.name())) {
                    readQuery.getQueryResultsCachePolicy().setCacheType(ClassConstants.FullIdentityMap_Class);
                } else if (valueToApply.equals(CacheType.WEAK.name())) {
                    readQuery.getQueryResultsCachePolicy().setCacheType(ClassConstants.WeakIdentityMap_Class);
                }  else if (valueToApply.equals(CacheType.SOFT.name())) {
                    readQuery.getQueryResultsCachePolicy().setCacheType(ClassConstants.SoftIdentityMap_Class);
                } else if (valueToApply.equals(CacheType.HARD_WEAK.name())) {
                    readQuery.getQueryResultsCachePolicy().setCacheType(ClassConstants.HardCacheWeakIdentityMap_Class);
                } else if (valueToApply.equals(CacheType.CACHE.name())) {
                    readQuery.getQueryResultsCachePolicy().setCacheType(ClassConstants.CacheIdentityMap_Class);
                } else if (valueToApply.equals(CacheType.NONE.name())) {
                    readQuery.getQueryResultsCachePolicy().setCacheType(ClassConstants.NoIdentityMap_Class);
                } else {
                    throw new IllegalArgumentException(ExceptionLocalization.buildMessage("ejb30-wrong-query-hint-value",new Object[]{getQueryId(query), name, getPrintValue(valueToApply)}));
                }
            } else {
                throw new IllegalArgumentException(ExceptionLocalization.buildMessage("ejb30-wrong-type-for-query-hint",new Object[]{getQueryId(query), name, getPrintValue(valueToApply)}));
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            super(QueryHints.QUERY_RESULTS_CACHE_EXPIRY_TIME_OF_DAY, "");
        }
   
        DatabaseQuery applyToDatabaseQuery(Object valueToApply, DatabaseQuery query, ClassLoader loader, AbstractSession activeSession) {
            if (query.isReadQuery()) {
                ReadQuery readQuery = (ReadQuery)query;
                if (readQuery.getQueryResultsCachePolicy() == null) {
                    readQuery.cacheQueryResults();
                }
                try {
                    Time time = Helper.timeFromString((String)valueToApply);
                    Calendar calendar = Calendar.getInstance();
                    calendar.setTime(time);
                    readQuery.getQueryResultsCachePolicy().setCacheInvalidationPolicy(
                            new DailyCacheInvalidationPolicy(calendar.get(Calendar.HOUR_OF_DAY), calendar.get(Calendar.MINUTE), calendar.get(Calendar.SECOND), 0));
                } catch (ConversionException exception) {
                    throw QueryException.queryHintContainedInvalidIntegerValue(QueryHints.QUERY_RESULTS_CACHE_EXPIRY_TIME_OF_DAY, valueToApply, exception);
                }
            } else {
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     * Retrieve the value through using batch reading.
     * This executes a single query to read the target for all of the objects and stores the
     * result of the batch query in the original query to allow the other objects to share the results.
     */
    protected Object batchedValueFromRow(AbstractRecord row, ObjectLevelReadQuery query, CacheKey parentCacheKey) {
        ReadQuery batchQuery = (ReadQuery)query.getProperty(this);
        if (batchQuery == null) {
            if (query.hasBatchReadAttributes()) {
                Map<DatabaseMapping, ReadQuery> queries = query.getBatchFetchPolicy().getMappingQueries();
                if (queries != null) {
                    batchQuery = queries.get(this);
                }
            }
            if (batchQuery == null) {
                batchQuery = prepareNestedBatchQuery(query);
                batchQuery.setIsExecutionClone(true);
            } else {
                batchQuery = (ReadQuery)batchQuery.clone();
                batchQuery.setIsExecutionClone(true);
            }
            query.setProperty(this, batchQuery);
        }
        return this.indirectionPolicy.valueFromBatchQuery(batchQuery, row, query, parentCacheKey);
    }
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Related Classes of org.eclipse.persistence.queries.ReadQuery

  • org.eclipse.persistence.descriptors.DescriptorQueryManager
  • org.eclipse.persistence.expressions.ExpressionBuilder
  • org.eclipse.persistence.internal.databaseaccess.DatabaseCall
  • org.eclipse.persistence.internal.helper.NonSynchronizedVector
  • org.eclipse.persistence.internal.jpa.EJBQueryImpl
  • org.eclipse.persistence.internal.jpa.QueryHintsHandler$QueryCacheExpiryHint
  • org.eclipse.persistence.internal.jpa.QueryHintsHandler$QueryCacheExpiryTimeOfDayHint
  • org.eclipse.persistence.internal.jpa.QueryHintsHandler$QueryCacheSizeHint
  • org.eclipse.persistence.internal.jpa.QueryHintsHandler$QueryCacheTypeHint
  • org.eclipse.persistence.internal.jpa.QueryImpl
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