Examples with SienaException siena.SienaException used on opensource projects

Example 1 with SienaException

use of siena.SienaException in project siena by mandubian.

the class SdbPersistenceManager method init.

public void init(Properties p) {
    String awsAccessKeyId = p.getProperty("awsAccessKeyId");
    String awsSecretAccessKey = p.getProperty("awsSecretAccessKey");
    if (awsAccessKeyId == null || awsSecretAccessKey == null)
        throw new SienaException("Both awsAccessKeyId and awsSecretAccessKey properties must be set");
    prefix = p.getProperty("prefix");
    if (prefix == null)
        prefix = "";
    sdb = new AmazonSimpleDBClient(new BasicAWSCredentials(awsAccessKeyId, awsSecretAccessKey));
}

Example 2 with SienaException

use of siena.SienaException in project siena by mandubian.

the class SdbPersistenceManager method doFetchList.

protected <T> void doFetchList(Query<T> query, int limit, int offset, List<T> resList, int depth) {
    if (depth >= MAX_DEPTH) {
        throw new SienaException("Reached maximum depth of recursion when retrieving more data (" + MAX_DEPTH + ")");
    }
    preFetch(query, limit, offset, !resList.isEmpty());
    QueryOptionSdbContext sdbCtx = (QueryOptionSdbContext) query.option(QueryOptionSdbContext.ID);
    QueryOptionFetchType fetchType = (QueryOptionFetchType) query.option(QueryOptionFetchType.ID);
    QueryOptionOffset off = (QueryOptionOffset) query.option(QueryOptionOffset.ID);
    // if previousPage has detected there is no more data, simply returns an empty list
    if (sdbCtx.noMoreDataBefore || sdbCtx.noMoreDataAfter) {
        return;
    }
    // manages cursor limitations for IN and != operators with offsets
    if (!sdbCtx.isActive()) {
        StringBuffer domainBuf = new StringBuffer();
        SelectRequest req = SdbMappingUtils.buildQuery(query, prefix, domainBuf);
        req.setConsistentRead(isReadConsistent());
        checkDomain(domainBuf.toString());
        SelectResult res = sdb.select(req);
        // activates the SdbCtx now that it is really initialised
        sdbCtx.activate();
        postFetch(query, res);
        // cursor not yet created
        switch(fetchType.fetchType) {
            case KEYS_ONLY:
                if (off.isActive()) {
                    SdbMappingUtils.mapSelectResultToListKeysOnly(res, resList, query.getQueriedClass(), off.offset);
                } else {
                    SdbMappingUtils.mapSelectResultToListKeysOnly(res, resList, query.getQueriedClass());
                }
                break;
            case NORMAL:
            default:
                if (off.isActive()) {
                    SdbMappingUtils.mapSelectResultToList(res, resList, query.getQueriedClass(), off.offset);
                } else {
                    SdbMappingUtils.mapSelectResultToList(res, resList, query.getQueriedClass());
                }
                // join management
                if (!query.getJoins().isEmpty() || !ClassInfo.getClassInfo(query.getQueriedClass()).joinFields.isEmpty())
                    mapJoins(query, resList);
        }
        continueFetchNextToken(query, resList, depth);
        postMapping(query);
    } else {
        // we prepare the query each time
        StringBuffer domainBuf = new StringBuffer();
        SelectRequest req = SdbMappingUtils.buildQuery(query, prefix, domainBuf);
        req.setConsistentRead(isReadConsistent());
        checkDomain(domainBuf.toString());
        // we can't use real asynchronous function with cursors
        // so the page is extracted at once and wrapped into a SienaFuture
        String token = sdbCtx.currentToken();
        if (token != null) {
            req.setNextToken(token);
        }
        SelectResult res = sdb.select(req);
        postFetch(query, res);
        switch(fetchType.fetchType) {
            case KEYS_ONLY:
                if (off.isActive()) {
                    SdbMappingUtils.mapSelectResultToListKeysOnly(res, resList, query.getQueriedClass(), off.offset);
                } else {
                    SdbMappingUtils.mapSelectResultToListKeysOnly(res, resList, query.getQueriedClass());
                }
                break;
            case NORMAL:
            default:
                if (off.isActive()) {
                    SdbMappingUtils.mapSelectResultToList(res, resList, query.getQueriedClass(), off.offset);
                } else {
                    SdbMappingUtils.mapSelectResultToList(res, resList, query.getQueriedClass());
                }
                // join management
                if (!query.getJoins().isEmpty() || !ClassInfo.getClassInfo(query.getQueriedClass()).joinFields.isEmpty())
                    mapJoins(query, resList);
        }
        continueFetchNextToken(query, resList, depth);
        postMapping(query);
    }
}

Example 3 with SienaException

use of siena.SienaException in project siena by mandubian.

the class SdbPersistenceManager method count.

public <T> int count(Query<T> query) {
    StringBuffer domainBuf = new StringBuffer();
    SelectRequest req = SdbMappingUtils.buildCountQuery(query, prefix, domainBuf);
    try {
        checkDomain(domainBuf.toString());
        req.setConsistentRead(isReadConsistent());
        SelectResult res = sdb.select(req);
        return SdbMappingUtils.mapSelectResultToCount(res);
    } catch (AmazonClientException ex) {
        throw new SienaException(ex);
    }
}

Example 4 with SienaException

use of siena.SienaException in project siena by mandubian.

the class SdbPersistenceManager method insert.

public void insert(Object obj) {
    Class<?> clazz = obj.getClass();
    ClassInfo info = ClassInfo.getClassInfo(clazz);
    String domain = SdbMappingUtils.getDomainName(clazz, prefix);
    try {
        checkDomain(domain);
        sdb.putAttributes(SdbMappingUtils.createPutRequest(domain, clazz, info, obj));
    } catch (AmazonClientException ex) {
        throw new SienaException(ex);
    }
}

Example 5 with SienaException

use of siena.SienaException in project siena by mandubian.

the class SdbPersistenceManager method delete.

public void delete(Object obj) {
    Class<?> clazz = obj.getClass();
    String domain = SdbMappingUtils.getDomainName(clazz, prefix);
    try {
        checkDomain(domain);
        sdb.deleteAttributes(SdbMappingUtils.createDeleteRequest(domain, clazz, obj));
    } catch (AmazonClientException ex) {
        throw new SienaException(ex);
    }
}