Example usage for com.amazonaws.services.simpledb.model SelectRequest getNextToken

Introduction

In this page you can find the example usage for com.amazonaws.services.simpledb.model SelectRequest getNextToken.

Prototype

public String getNextToken() 

Source Link

Document

A string informing Amazon SimpleDB where to start the next list of ItemNames.

Usage

From source file:wwutil.jsoda.SimpleDBService.java

License:Mozilla Public License

@SuppressWarnings("unchecked")
public <T> List<T> queryRun(Class<T> modelClass, Query<T> query, boolean continueFromLastRun)
        throws JsodaException {
    List<T> resultObjs = new ArrayList<T>();

    if (continueFromLastRun && !queryHasNext(query))
        return resultObjs;

    String queryStr = toQueryStr(query, false);
    log.info("Query: " + queryStr);
    SelectRequest request = new SelectRequest(queryStr, query.consistentRead);

    if (continueFromLastRun)
        request.setNextToken((String) query.nextKey);

    try {/*from   ww w  . j a va  2  s . c o  m*/
        SelectResult result = sdbClient.select(request);
        query.nextKey = request.getNextToken();
        for (Item item : result.getItems()) {
            String idValue = item.getName(); // get the id from the item's name()
            T obj = buildLoadObj(modelClass, query.modelName, idValue, item.getAttributes(), query);
            resultObjs.add(obj);
        }
        return resultObjs;
    } catch (Exception e) {
        throw new JsodaException(
                "Query failed.  Query: " + request.getSelectExpression() + "  Error: " + e.getMessage(), e);
    }
}

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