/**
* Run the query in pull mode.
*
* <p>
*
* <p>For maximum effect this method should be used when lazyConstructionMode has been set in the
* Configuration.
*
* <p>
*
* <p><b>Note: this method usually has very similar performance to the {@link
* #run(DynamicQueryContext,javax.xml.transform.Result,java.util.Properties)} method (which does
* the same thing), but sometimes it is significantly slower. Therefore, the run() method is
* preferred.</b>
*
* @param dynamicEnv the dynamic context for query evaluation
* @param destination the destination of the query results
* @param outputProperties the serialization parameters
* @see Configuration#setLazyConstructionMode(boolean)
*/
public void pull(DynamicQueryContext dynamicEnv, Result destination, Properties outputProperties)
throws XPathException {
if (isUpdating) {
throw new XPathException("Cannot call pull() on an updating query");
}
Configuration config = dynamicEnv.getConfiguration();
try {
Controller controller = newController();
// initializeController(dynamicEnv, controller);
EventIterator iter = iterateEvents(controller, dynamicEnv);
// iter = new Decomposer(iter, config);
Properties actualProperties = validateOutputProperties(controller, outputProperties);
SerializerFactory sf = config.getSerializerFactory();
PipelineConfiguration pipe = config.makePipelineConfiguration();
pipe.setSerializing(true);
Receiver receiver = sf.getReceiver(destination, pipe, actualProperties);
receiver = new NamespaceReducer(receiver);
if ("yes".equals(actualProperties.getProperty(SaxonOutputKeys.WRAP))) {
receiver = new SequenceWrapper(receiver);
// receiver = new TracingFilter(receiver);
} else {
receiver = new TreeReceiver(receiver);
}
EventIteratorToReceiver.copy(iter, (SequenceReceiver) receiver);
} catch (XPathException err) {
config.reportFatalError(err);
throw err;
}
}
/**
* Run the query in pull mode.
*
* <p>
*
* <p>For maximum effect this method should be used when lazyConstructionMode has been set in the
* Configuration.
*
* <p>
*
* <p><b>Note: this method usually has very similar performance to the {@link
* #run(DynamicQueryContext,javax.xml.transform.Result,java.util.Properties)} method (which does
* the same thing), but sometimes it is significantly slower. Therefore, the run() method is
* preferred.</b>
*
* @param dynamicEnv the dynamic context for query evaluation
* @param destination the destination of the query results
* @param outputProperties the serialization parameters
* @see Configuration#setLazyConstructionMode(boolean)
*/
public void pullOLD(
DynamicQueryContext dynamicEnv, Result destination, Properties outputProperties)
throws XPathException {
try {
SequenceIterator iter = iterator(dynamicEnv);
PullProvider pull = new PullFromIterator(iter);
pull = new PullNamespaceReducer(pull);
final Configuration config = executable.getConfiguration();
pull.setPipelineConfiguration(config.makePipelineConfiguration());
SerializerFactory sf = config.getSerializerFactory();
Receiver receiver =
sf.getReceiver(destination, pull.getPipelineConfiguration(), outputProperties);
// NamespaceReducer reducer = new NamespaceReducer();
// PipelineConfiguration pipe = pull.getPipelineConfiguration();
// reducer.setPipelineConfiguration(pipe);
// reducer.setUnderlyingReceiver(receiver);
// ComplexContentOutputter outputter = new ComplexContentOutputter();
// outputter.setReceiver(reducer);
// outputter.setPipelineConfiguration(pipe);
Receiver outputter = receiver;
if ("yes".equals(outputProperties.getProperty(SaxonOutputKeys.WRAP))) {
receiver = new SequenceWrapper(outputter);
} else {
// receiver = new TreeReceiver(outputter);
}
new PullPushCopier(pull, receiver).copy();
} catch (UncheckedXPathException e) {
throw e.getXPathException();
}
}
private Properties validateOutputProperties(Controller controller, Properties outputProperties)
throws XPathException {
// Validate the serialization properties requested
Properties baseProperties = controller.getOutputProperties();
if (outputProperties != null) {
Enumeration iter = outputProperties.propertyNames();
while (iter.hasMoreElements()) {
String key = (String) iter.nextElement();
String value = outputProperties.getProperty(key);
try {
SaxonOutputKeys.checkOutputProperty(
key, value, controller.getConfiguration().getNameChecker());
baseProperties.setProperty(key, value);
} catch (XPathException dynamicError) {
try {
outputProperties.remove(key);
controller.getErrorListener().warning(dynamicError);
} catch (TransformerException err2) {
throw XPathException.makeXPathException(err2);
}
}
}
}
if (baseProperties.getProperty("method") == null) {
// XQuery forces the default method to XML, unlike XSLT where it depends on the contents of
// the result tree
baseProperties.setProperty("method", "xml");
}
return baseProperties;
}
