Examples with IgniteException org.apache.ignite.IgniteException used on opensource projects

Example 11 with IgniteException

use of org.apache.ignite.IgniteException in project ignite by apache.

the class CassandraSessionImpl method execute.

/** {@inheritDoc} */
@Override
public <R, V> R execute(BatchExecutionAssistant<R, V> assistant, Iterable<? extends V> data) {
    if (data == null || !data.iterator().hasNext())
        return assistant.processedData();
    int attempt = 0;
    String errorMsg = "Failed to execute Cassandra " + assistant.operationName() + " operation";
    Throwable error = new IgniteException(errorMsg);
    RandomSleeper sleeper = newSleeper();
    int dataSize = 0;
    incrementSessionRefs();
    try {
        while (attempt < CQL_EXECUTION_ATTEMPTS_COUNT) {
            if (attempt != 0) {
                log.warning("Trying " + (attempt + 1) + " attempt to execute Cassandra batch " + assistant.operationName() + " operation to process rest " + (dataSize - assistant.processedCount()) + " of " + dataSize + " elements");
            }
            //clean errors info before next communication with Cassandra
            Throwable unknownEx = null;
            Throwable tblAbsenceEx = null;
            Throwable hostsAvailEx = null;
            Throwable prepStatEx = null;
            List<Cache.Entry<Integer, ResultSetFuture>> futResults = new LinkedList<>();
            PreparedStatement preparedSt = prepareStatement(assistant.getTable(), assistant.getStatement(), assistant.getPersistenceSettings(), assistant.tableExistenceRequired());
            if (preparedSt == null)
                return null;
            int seqNum = 0;
            for (V obj : data) {
                if (!assistant.alreadyProcessed(seqNum)) {
                    try {
                        Statement statement = tuneStatementExecutionOptions(assistant.bindStatement(preparedSt, obj));
                        ResultSetFuture fut = session().executeAsync(statement);
                        futResults.add(new CacheEntryImpl<>(seqNum, fut));
                    } catch (Throwable e) {
                        if (CassandraHelper.isTableAbsenceError(e)) {
                            // If there are table absence error and it is not required for the operation we can return.
                            if (!assistant.tableExistenceRequired())
                                return assistant.processedData();
                            tblAbsenceEx = e;
                            handleTableAbsenceError(assistant.getTable(), assistant.getPersistenceSettings());
                        } else if (CassandraHelper.isHostsAvailabilityError(e)) {
                            hostsAvailEx = e;
                            // Handle host availability only once.
                            if (hostsAvailEx == null)
                                handleHostsAvailabilityError(e, attempt, errorMsg);
                        } else if (CassandraHelper.isPreparedStatementClusterError(e)) {
                            prepStatEx = e;
                            handlePreparedStatementClusterError(e);
                        } else
                            unknownEx = e;
                    }
                }
                seqNum++;
            }
            dataSize = seqNum;
            // For an error which we don't know how to handle, we will not try next attempts and terminate.
            if (unknownEx != null)
                throw new IgniteException(errorMsg, unknownEx);
            // Remembering any of last errors.
            if (tblAbsenceEx != null)
                error = tblAbsenceEx;
            else if (hostsAvailEx != null)
                error = hostsAvailEx;
            else if (prepStatEx != null)
                error = prepStatEx;
            // Clean errors info before next communication with Cassandra.
            unknownEx = null;
            tblAbsenceEx = null;
            hostsAvailEx = null;
            prepStatEx = null;
            for (Cache.Entry<Integer, ResultSetFuture> futureResult : futResults) {
                try {
                    ResultSet resSet = futureResult.getValue().getUninterruptibly();
                    Row row = resSet != null && resSet.iterator().hasNext() ? resSet.iterator().next() : null;
                    if (row != null)
                        assistant.process(row, futureResult.getKey());
                } catch (Throwable e) {
                    if (CassandraHelper.isTableAbsenceError(e))
                        tblAbsenceEx = e;
                    else if (CassandraHelper.isHostsAvailabilityError(e))
                        hostsAvailEx = e;
                    else if (CassandraHelper.isPreparedStatementClusterError(e))
                        prepStatEx = e;
                    else
                        unknownEx = e;
                }
            }
            // For an error which we don't know how to handle, we will not try next attempts and terminate.
            if (unknownEx != null)
                throw new IgniteException(errorMsg, unknownEx);
            // If there are no errors occurred it means that operation successfully completed and we can return.
            if (tblAbsenceEx == null && hostsAvailEx == null && prepStatEx == null)
                return assistant.processedData();
            if (tblAbsenceEx != null) {
                // If there are table absence error and it is not required for the operation we can return.
                if (!assistant.tableExistenceRequired())
                    return assistant.processedData();
                error = tblAbsenceEx;
                handleTableAbsenceError(assistant.getTable(), assistant.getPersistenceSettings());
            }
            if (hostsAvailEx != null) {
                error = hostsAvailEx;
                handleHostsAvailabilityError(hostsAvailEx, attempt, errorMsg);
            }
            if (prepStatEx != null) {
                error = prepStatEx;
                handlePreparedStatementClusterError(prepStatEx);
            }
            if (!CassandraHelper.isTableAbsenceError(error))
                sleeper.sleep();
            attempt++;
        }
    } catch (Throwable e) {
        error = e;
    } finally {
        decrementSessionRefs();
    }
    errorMsg = "Failed to process " + (dataSize - assistant.processedCount()) + " of " + dataSize + " elements, during " + assistant.operationName() + " operation with Cassandra";
    log.error(errorMsg, error);
    throw new IgniteException(errorMsg, error);
}

Example 12 with IgniteException

use of org.apache.ignite.IgniteException in project ignite by apache.

the class RandomSleeper method sleep.

/**
     * Sleeps
     */
public void sleep() {
    try {
        int timeout = random.nextInt(max - min + 1) + min;
        if (log != null)
            log.info("Sleeping for " + timeout + "ms");
        Thread.sleep(timeout);
        summary += timeout;
        if (log != null)
            log.info("Sleep completed");
    } catch (InterruptedException e) {
        throw new IgniteException("Random sleep interrupted", e);
    }
    min += incr;
    max += incr;
}

Example 13 with IgniteException

use of org.apache.ignite.IgniteException in project ignite by apache.

the class KeyPersistenceSettings method getPartitionKeyDescriptors.

/**
     * @return POJO field descriptors for partition key.
     */
private List<PropertyDescriptor> getPartitionKeyDescriptors() {
    List<PropertyDescriptor> primitivePropDescriptors = PropertyMappingHelper.getPojoPropertyDescriptors(getJavaClass(), true);
    boolean valid = false;
    for (PropertyDescriptor desc : primitivePropDescriptors) {
        if (desc.getWriteMethod() != null) {
            valid = true;
            break;
        }
    }
    if (!valid) {
        throw new IgniteException("Partition key can't have only calculated read-only fields, there should be " + "some fields with setter method");
    }
    return primitivePropDescriptors;
}

Example 14 with IgniteException

use of org.apache.ignite.IgniteException in project ignite by apache.

the class KeyValuePersistenceSettings method loadSettings.

/**
     * Loads Ignite cache persistence settings from resource.
     *
     * @param in Input stream.
     * @return String containing xml with Ignite cache persistence settings.
     */
private String loadSettings(InputStream in) {
    StringBuilder settings = new StringBuilder();
    BufferedReader reader = null;
    try {
        reader = new BufferedReader(new InputStreamReader(in));
        String line = reader.readLine();
        while (line != null) {
            if (settings.length() != 0)
                settings.append(SystemHelper.LINE_SEPARATOR);
            settings.append(line);
            line = reader.readLine();
        }
    } catch (Throwable e) {
        throw new IgniteException("Failed to read input stream for Cassandra persistence settings", e);
    } finally {
        U.closeQuiet(reader);
        U.closeQuiet(in);
    }
    return settings.toString();
}

Example 15 with IgniteException

use of org.apache.ignite.IgniteException in project ignite by apache.

the class PojoField method getValueFromObject.

/**
     * Gets field value as an object having Cassandra compatible type.
     * This it could be stored directly into Cassandra without any conversions.
     *
     * @param obj Object instance.
     * @param serializer {@link org.apache.ignite.cache.store.cassandra.serializer.Serializer} to use.
     * @return Object to store in Cassandra table column.
     */
public Object getValueFromObject(Object obj, Serializer serializer) {
    try {
        Object val = propDesc().getReadMethod().invoke(obj);
        if (val == null)
            return null;
        DataType.Name cassandraType = PropertyMappingHelper.getCassandraType(val.getClass());
        if (cassandraType != null)
            return val;
        if (serializer == null) {
            throw new IllegalStateException("Can't serialize value from object '" + val.getClass().getName() + "' field '" + name + "', cause there is no BLOB serializer specified");
        }
        return serializer.serialize(val);
    } catch (Throwable e) {
        throw new IgniteException("Failed to get value of the field '" + name + "' from the instance " + " of '" + obj.getClass().toString() + "' class", e);
    }
}