Examples of org.eclipse.persistence.history.AsOfSCNClause

org.eclipse.persistence.history.AsOfSCNClause
Purpose:Wraps an immutable value for a past time, represented as a database system change number.
This should be specified with an Oracle platform supporting flashback, and the value will be written to the SQL FROM clause:
SELECT ... FROM EMPLOYEE AS OF SCN (value) t0, ... @since OracleAS TopLink 10g (10.0.3) @author Stephen McRitchie @see AsOfClause @see org.eclipse.persistence.platform.database.OraclePlatform#getSystemChangeNumberQuery

            super(QueryHints.AS_OF_SCN, "");
        }
    
        DatabaseQuery applyToDatabaseQuery(Object valueToApply, DatabaseQuery query, ClassLoader loader, AbstractSession activeSession) {
            if (query.isObjectLevelReadQuery()) {
                ((ObjectLevelReadQuery) query).setAsOfClause(new AsOfSCNClause(QueryHintsHandler.parseIntegerHint(valueToApply, QueryHints.AS_OF_SCN)));
            } else {
                throw new IllegalArgumentException(ExceptionLocalization.buildMessage("ejb30-wrong-type-for-query-hint",new Object[]{getQueryId(query), name, getPrintValue(valueToApply)}));
            }
            
            return query;

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            super(QueryHints.AS_OF_SCN, "");
        }
    
        DatabaseQuery applyToDatabaseQuery(Object valueToApply, DatabaseQuery query, ClassLoader loader, AbstractSession activeSession) {
            if (query.isObjectLevelReadQuery()) {
                ((ObjectLevelReadQuery) query).setAsOfClause(new AsOfSCNClause(QueryHintsHandler.parseIntegerHint(valueToApply, QueryHints.AS_OF_SCN)));
            } else {
                throw new IllegalArgumentException(ExceptionLocalization.buildMessage("ejb30-wrong-type-for-query-hint",new Object[]{getQueryId(query), name, getPrintValue(valueToApply)}));
            }
            
            return query;

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Related Classes of org.eclipse.persistence.history.AsOfSCNClause

org.eclipse.persistence.internal.jpa.jpql.AbstractObjectLevelReadQueryVisitor

org.eclipse.persistence.internal.jpa.QueryHintsHandler$AsOfSCNHint

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