/**
* Set
*
* @param name The name
* @param value The value
* @throws JMSException Thrown if an error occurs
*/
@Override
public void setDouble(final String name, final double value) throws JMSException {
if (ActiveMQRAMapMessage.trace) {
ActiveMQRALogger.LOGGER.trace("setDouble(" + name + ", " + value + ")");
}
((MapMessage) message).setDouble(name, value);
}
@Override
public JMSProducer send(Destination destination, Map<String, Object> body) {
MapMessage message = context.createMapMessage();
if (body != null) {
try {
for (Entry<String, Object> entry : body.entrySet()) {
final String name = entry.getKey();
final Object v = entry.getValue();
if (v instanceof String) {
message.setString(name, (String) v);
} else if (v instanceof Long) {
message.setLong(name, (Long) v);
} else if (v instanceof Double) {
message.setDouble(name, (Double) v);
} else if (v instanceof Integer) {
message.setInt(name, (Integer) v);
} else if (v instanceof Character) {
message.setChar(name, (Character) v);
} else if (v instanceof Short) {
message.setShort(name, (Short) v);
} else if (v instanceof Boolean) {
message.setBoolean(name, (Boolean) v);
} else if (v instanceof Float) {
message.setFloat(name, (Float) v);
} else if (v instanceof Byte) {
message.setByte(name, (Byte) v);
} else if (v instanceof byte[]) {
byte[] array = (byte[]) v;
message.setBytes(name, array, 0, array.length);
} else {
message.setObject(name, v);
}
}
} catch (JMSException e) {
throw new MessageFormatRuntimeException(e.getMessage());
}
}
send(destination, message);
return this;
}
protected Message createStockMessage(String stock, Session session) throws JMSException {
Double value = LAST_PRICES.get(stock);
if (value == null) {
value = new Double(Math.random() * 100);
}
// lets mutate the value by some percentage
double oldPrice = value.doubleValue();
value = new Double(mutatePrice(oldPrice));
LAST_PRICES.put(stock, value);
double price = value.doubleValue();
double offer = price * 1.001;
boolean up = (price > oldPrice);
MapMessage message = session.createMapMessage();
message.setString("stock", stock);
message.setDouble("price", price);
message.setDouble("offer", offer);
message.setBoolean("up", up);
return message;
}