Examples of org.datanucleus.store.query.cache.CachedQuery

Package org.datanucleus.store.query.cache

Examples of org.datanucleus.store.query.cache.CachedQuery

org.datanucleus.store.query.cache.CachedQuery
Representation of a query that is cached. Stores the generic compilation of the query, together with the compilation(s) specific to datastore(s). For example for RDBMS this will mean that this contains the generic compilation of expression trees, and the SQL that is generated from the expression trees.

    public synchronized void addQueryCompilation(String language, String query, QueryCompilation compilation)
    {
        if (cache != null)
        {
            String queryKey = language + ":" + query;
            CachedQuery cachedQuery = new CachedQuery(compilation);
            cache.put(queryKey, cachedQuery);
        }
    }

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    public synchronized QueryCompilation getQueryCompilationForQuery(String language, String query)
    {
        if (cache != null)
        {
            String queryKey = language + ":" + query;
            CachedQuery cachedQuery = cache.get(queryKey);
            if (cachedQuery != null)
            {
                return cachedQuery.getCompilation();
            }
        }
        return null;
    }

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    public synchronized void addDatastoreQueryCompilation(String datastore, String language, String query, Object compilation)
    {
        if (cache != null)
        {
            String queryKey = language + ":" + query;
            CachedQuery cachedQuery = cache.get(queryKey);
            if (cachedQuery != null)
            {
                cachedQuery.addDatastoreCompilation(datastore, compilation);
            }
        }
    }

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    public synchronized Object getDatastoreQueryCompilation(String datastore, String language, String query)
    {
        if (cache != null)
        {
            String queryKey = language + ":" + query;
            CachedQuery cachedQuery = cache.get(queryKey);
            if (cachedQuery != null)
            {
                return cachedQuery.getDatastoreCompilation(datastore);
            }
        }
        return null;
    }

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Related Classes of org.datanucleus.store.query.cache.CachedQuery

org.datanucleus.store.query.QueryManager

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