Examples of org.apache.openjpa.kernel.exps.QueryExpressions

org.apache.openjpa.kernel.exps.QueryExpressions
Struct to hold the state of a parsed expression query. @author Abe White @since 0.3.2 @nojavadoc

                        q.getContext().getQueryString()));
            }
        }


        public final void validate(StoreQuery q) {
            QueryExpressions exps = assertQueryExpression();    
            ValidateGroupingExpressionVisitor.validate(q.getContext(), exps); 
        }

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            QueryExpressions exps = assertQueryExpression();    
            ValidateGroupingExpressionVisitor.validate(q.getContext(), exps); 
        }


        public void getRange(StoreQuery q, Object[] params, Range range) {
            QueryExpressions exps = assertQueryExpression();
            if (exps.range.length == 0)
                return;


            if (exps.range.length == 2 
                && exps.range[0] instanceof Constant

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        return ctx().parsed == null || root().parser == null ? null
            : root().parser.jpql;
    }


    QueryExpressions getQueryExpressions() {
        QueryExpressions exps = new QueryExpressions();


        evalQueryOperation(exps);


        Expression filter = null;
        filter = and(evalFromClause(root().id == JJTSELECT), filter);

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        subq.setMetaData(candidate);


        contexts.push(new Context(parsed, subq));


        try {
            QueryExpressions subexp = getQueryExpressions();
            subq.setQueryExpressions(subexp);
            return subq;
        } finally {
            // remove the subquery parse context
            contexts.pop();

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 * @since 2.0.0
 */
class CriteriaExpressionBuilder {
    
    public QueryExpressions getQueryExpressions(ExpressionFactory factory, CriteriaQueryImpl<?> q) {
        QueryExpressions exps = new QueryExpressions();
        exps.setContexts(q.getContexts());


        evalAccessPaths(exps, factory, q);
        exps.alias = null;      // String   
        evalDistinct(exps, factory, q);
        evalFetchJoin(exps, factory, q);
        evalCrossJoinRoots(exps, factory, q);
        evalFilter(exps, factory, q);
        evalGrouping(exps, factory, q);
        evalOrderingAndProjection(exps, factory, q);
        exps.operation = QueryOperations.OP_SELECT;
        exps.range = QueryExpressions.EMPTY_VALUES;
        exps.resultClass = q.getResultType();
        exps.shape = evalResultShape(q);
        exps.parameterTypes = q.getParameterTypes();
        exps.isAggregate();
        return exps;
    }

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                        q.getContext().getQueryString()));
            }
        }


        public final void validate(StoreQuery q) {
            QueryExpressions exps = assertQueryExpression();    
            ValidateGroupingExpressionVisitor.validate(q.getContext(), exps); 
        }

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            QueryExpressions exps = assertQueryExpression();    
            ValidateGroupingExpressionVisitor.validate(q.getContext(), exps); 
        }


        public void getRange(StoreQuery q, Object[] params, Range range) {
            QueryExpressions exps = assertQueryExpression();
            if (exps.range.length == 0)
                return;


            if (exps.range.length == 2 
                && exps.range[0] instanceof Constant

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        Object executor = ((Object[])userObject)[1];
        if (executor instanceof StoreQuery.Executor == false)
            return new Object[]{null, _loc.get("exclude-not-executor", _id)};
        _exps = ((StoreQuery.Executor)executor).getQueryExpressions();
        for (int i = 0; i < _exps.length; i++) {
            QueryExpressions exp = _exps[i];
            if (exp.hasInExpression)
                return new Object[]{null, _loc.get("exclude-in-expression", _id)};
            if (isUsingExternalizedParameter(exp)) {
                return new Object[]{null, _loc.get("exclude-externalized-param", _id)};
            }

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        return ctx().parsed == null || root().parser == null ? null
            : root().parser.jpql;
    }


    QueryExpressions getQueryExpressions() {
        QueryExpressions exps = new QueryExpressions();
        exps.setContexts(contexts);


        evalQueryOperation(exps);


        Expression filter = null;
        Expression from = ctx().from;

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        // evaluate from clause for resolving variables defined in subquery
        JPQLNode from = node.getChild(1);
        subContext.from = evalFromClause(from, true);


        try {
            QueryExpressions subexp = getQueryExpressions();
            subq.setQueryExpressions(subexp);
            if (subexp.projections.length > 0)
                checkEmbeddable(subexp.projections[0]);
            return subq;
        } finally {

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org.apache.openjpa.jdbc.kernel.PreparedQueryImpl

org.apache.openjpa.kernel.ExpressionStoreQuery$AbstractExpressionExecutor

org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder

org.apache.openjpa.persistence.criteria.CriteriaExpressionBuilder

org.apache.openjpa.persistence.criteria.SubqueryImpl

java.util.HashMap

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