Package org.apache.cayenne.access

Examples of org.apache.cayenne.access.QueryTranslator

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        super(adapter, entityResolver);
        this.query = query;
    }

    protected QueryTranslator createTranslator(Connection connection) {
        QueryTranslator translator;

        if (query instanceof UpdateQuery) {
            translator = new UpdateTranslator();
        }
        else if (query instanceof DeleteQuery) {
            translator = new DeleteTranslator();
        }
        else {
            throw new CayenneRuntimeException("Can't make a translator for query "
                    + query);
        }

        translator.setAdapter(getAdapter());
        translator.setQuery(query);
        translator.setEntityResolver(getEntityResolver());
        translator.setConnection(connection);

        return translator;
    }
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    }

    public void performAction(Connection connection, OperationObserver observer)
            throws SQLException, Exception {

        QueryTranslator translator = createTranslator(connection);

        PreparedStatement statement = translator.createStatement();

        try {
            // execute update
            int count = statement.executeUpdate();
            QueryLogger.logUpdateCount(count);
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     */
    public QueryTranslator getQueryTranslator(Query query) throws Exception {
        Class queryClass = queryTranslatorClass(query);

        try {
            QueryTranslator t = (QueryTranslator) queryClass.newInstance();
            t.setQuery(query);
            t.setAdapter(this);
            return t;
        }
        catch (Exception ex) {
            throw new CayenneRuntimeException("Can't load translator class: "
                    + queryClass);
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        super(adapter, entityResolver);
        this.query = query;
    }

    protected QueryTranslator createTranslator(Connection connection) {
        QueryTranslator translator = checkDeprecatedQueries(query);

        if (translator == null) {
            if (query instanceof UpdateQuery) {
                translator = new UpdateTranslator();
            }
            else if (query instanceof DeleteQuery) {
                translator = new DeleteTranslator();
            }
            else {
                throw new CayenneRuntimeException("Can't make a translator for query "
                        + query);
            }
        }

        translator.setAdapter(getAdapter());
        translator.setQuery(query);
        translator.setEntityResolver(getEntityResolver());
        translator.setConnection(connection);

        return translator;
    }
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    }

    public void performAction(Connection connection, OperationObserver observer)
            throws SQLException, Exception {

        QueryTranslator translator = createTranslator(connection);

        PreparedStatement statement = translator.createStatement();

        try {
            // execute update
            int count = statement.executeUpdate();
            QueryLogger.logUpdateCount(count);
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        super(adapter, entityResolver);
        this.query = query;
    }

    protected QueryTranslator createTranslator(Connection connection) {
        QueryTranslator translator;

        if (query instanceof UpdateQuery) {
            translator = new UpdateTranslator();
        }
        else if (query instanceof DeleteQuery) {
            translator = new DeleteTranslator();
        }
        else {
            throw new CayenneRuntimeException("Can't make a translator for query "
                    + query);
        }

        translator.setAdapter(getAdapter());
        translator.setQuery(query);
        translator.setEntityResolver(getEntityResolver());
        translator.setConnection(connection);

        return translator;
    }
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    }

    public void performAction(Connection connection, OperationObserver observer)
            throws SQLException, Exception {

        QueryTranslator translator = createTranslator(connection);

        PreparedStatement statement = translator.createStatement();

        try {
            // execute update
            int count = statement.executeUpdate();
            QueryLogger.logUpdateCount(count);
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Related Classes of org.apache.cayenne.access.QueryTranslator

  • org.apache.cayenne.access.jdbc.UpdateAction
  • org.apache.cayenne.dba.JdbcAdapter
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