Examples of org.apache.cayenne.access.DataContext.performQuery()

Class org.apache.cayenne.access.DataContext

Examples of org.apache.cayenne.access.DataContext.performQuery()

org.apache.cayenne.access.DataContext.performQuery()
Performs a single selecting query. Various query setting control the behavior of this method and the results returned:
- Query caching policy defines whether the results are retrieved from cache or fetched from the database. Note that queries that use caching must have a name that is used as a caching key.
- Query refreshing policy controls whether to refresh existing data objects and ignore any cached values.
- Query data rows policy defines whether the result should be returned as DataObjects or DataRows.
Since 1.2 takes any Query parameter, not just GenericSelectQuery
@return A list of DataObjects or a DataRows, depending on the value returned by{@link QueryMetadata#isFetchingDataRows()}.


        if (getSelectQuery() != null) {
            list = dataContext.performQuery(getSelectQuery());


        } else if (getNamedQuery() != null) {
            list = dataContext.performQuery(getNamedQuery());


        } else if (getQueryName() != null) {
            list = dataContext.performQuery(getQueryName(), getExpireCache());
        }

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        } else if (getNamedQuery() != null) {
            list = dataContext.performQuery(getNamedQuery());


        } else if (getQueryName() != null) {
            list = dataContext.performQuery(getQueryName(), getExpireCache());
        }


        if (isRequired() && getOptionList().isEmpty() || isOptional()) {
            getOptionList().add(Option.EMPTY_OPTION);
        }

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            DataContext dataContext = null;
            try {
                dataContext = DataContext.createDataContext();


                SelectQuery query = new SelectQuery(Customer.class);
                List list = dataContext.performQuery(query);


                if (list.size() < 60) {
                    dataContext.deleteObjects(list);


                    loadCustomers(dataContext);

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            DataContext dataContext = null;
            try {
                dataContext = DataContext.createDataContext();


                SelectQuery query = new SelectQuery(Customer.class);
                List<Customer> list = dataContext.performQuery(query);


                if (list.size() < 60) {
                    dataContext.deleteObjects(list);


                    loadCustomers(dataContext);

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        DataContext dataContext = DataContext.getThreadDataContext();


        List list = Collections.EMPTY_LIST;


        if (getSelectQuery() != null) {
            list = dataContext.performQuery(getSelectQuery());


        } else if (getNamedQuery() != null) {
            list = dataContext.performQuery(getNamedQuery());


        } else if (getQueryName() != null) {

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        if (getSelectQuery() != null) {
            list = dataContext.performQuery(getSelectQuery());


        } else if (getNamedQuery() != null) {
            list = dataContext.performQuery(getNamedQuery());


        } else if (getQueryName() != null) {
            list = dataContext.performQuery(getQueryName(), getExpireCache());
        }

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        } else if (getNamedQuery() != null) {
            list = dataContext.performQuery(getNamedQuery());


        } else if (getQueryName() != null) {
            list = dataContext.performQuery(getQueryName(), getExpireCache());
        }


        if (isRequired() && optionList.isEmpty() || isOptional()) {
            optionList.add(Option.EMPTY_OPTION);
        }

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        context.commitChanges();


        assertNotSame(context2, context);


        List<Artist> objects = context2.performQuery(query);
        assertEquals(1, objects.size());


        // 2 same objects in different contexts
        assertTrue(e.match(objects.get(0)));

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                } else if (getOptionLabel() != null && !orderingApplied) {
                    query.addOrdering(getOptionLabel(), true);
                    orderingApplied = true;
                }


                list = dataContext.performQuery(query);


            } else if (getNamedQuery() != null) {
                list = dataContext.performQuery(getNamedQuery());


            } else if (getQueryName() != null) {

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                }


                list = dataContext.performQuery(query);


            } else if (getNamedQuery() != null) {
                list = dataContext.performQuery(getNamedQuery());


            } else if (getQueryName() != null) {
                 list = dataContext.performQuery(getQueryName(), false);


            } else {

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