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package com.sun.xml.ws.rx.rm.policy.metro200702;
import com.sun.istack.NotNull;
import com.sun.istack.logging.Logger;
import com.sun.xml.ws.policy.AssertionSet;
import com.sun.xml.ws.policy.ComplexAssertion;
import com.sun.xml.ws.policy.PolicyAssertion;
import com.sun.xml.ws.policy.sourcemodel.AssertionData;
import com.sun.xml.ws.policy.spi.AssertionCreationException;
import com.sun.xml.ws.rx.policy.AssertionInstantiator;
import com.sun.xml.ws.rx.rm.api.RmAssertionNamespace;
import com.sun.xml.ws.rx.rm.policy.RmConfigurator;
import com.sun.xml.ws.rx.rm.api.ReliableMessagingFeature;
import com.sun.xml.ws.rx.rm.api.ReliableMessagingFeature.BackoffAlgorithm;
import com.sun.xml.ws.rx.rm.api.ReliableMessagingFeatureBuilder;
import com.sun.xml.ws.rx.rm.api.RmProtocolVersion;
import com.sun.xml.ws.rx.rm.localization.LocalizationMessages;
import java.util.Collection;
import javax.xml.namespace.QName;
/**
*
* @author Marek Potociar <marek.potociar at sun.com>
*/
public class RetransmissionConfigAssertion extends ComplexAssertion implements RmConfigurator {
public static final QName NAME = RmAssertionNamespace.METRO_200702.getQName("RetransmissionConfig");
//
private static final Logger LOGGER = Logger.getLogger(RetransmissionConfigAssertion.class);
//
private static final QName INTERVAL_PARAMETER_QNAME = RmAssertionNamespace.METRO_200702.getQName("Interval");
private static final QName ALGORITHM_PARAMETER_QNAME = RmAssertionNamespace.METRO_200702.getQName("Algorithm");
private static final QName MAX_RETRIES_PARAMETER_QNAME = RmAssertionNamespace.METRO_200702.getQName("MaxRetries");
//
private static final QName MILLISECONDS_ATTRIBUTE_QNAME = new QName("", "Milliseconds");
//
private static AssertionInstantiator instantiator = new AssertionInstantiator() {
public PolicyAssertion newInstance(AssertionData data, Collection<PolicyAssertion> assertionParameters, AssertionSet nestedAlternative) throws AssertionCreationException {
return new RetransmissionConfigAssertion(data, assertionParameters, nestedAlternative);
}
};
public static AssertionInstantiator getInstantiator() {
return instantiator;
}
private final long interval;
private final long maxRetries;
private final ReliableMessagingFeature.BackoffAlgorithm algorithm;
private RetransmissionConfigAssertion(AssertionData data, Collection<? extends PolicyAssertion> assertionParameters, AssertionSet nestedAlternative) throws AssertionCreationException {
super(data, assertionParameters, nestedAlternative);
if (assertionParameters == null || assertionParameters.isEmpty()) {
// TODO P1
throw new AssertionCreationException(data, "No assertion parameters found.");
}
PolicyAssertion _interval = getParameter(INTERVAL_PARAMETER_QNAME, data, assertionParameters);
interval = (_interval == null) ? ReliableMessagingFeature.DEFAULT_MESSAGE_RETRANSMISSION_INTERVAL : Long.parseLong(_interval.getAttributeValue(MILLISECONDS_ATTRIBUTE_QNAME));
PolicyAssertion _maxRetries = getParameter(MAX_RETRIES_PARAMETER_QNAME, data, assertionParameters);
maxRetries = (_maxRetries == null) ? ReliableMessagingFeature.DEFAULT_MAX_MESSAGE_RETRANSMISSION_COUNT : Long.parseLong(_maxRetries.getValue());
final PolicyAssertion algorithmParameter = getParameter(ALGORITHM_PARAMETER_QNAME, data, assertionParameters);
BackoffAlgorithm _algorithm = (algorithmParameter == null) ? null : ReliableMessagingFeature.BackoffAlgorithm.parse(algorithmParameter.getValue());
algorithm = (_algorithm == null) ? ReliableMessagingFeature.BackoffAlgorithm.getDefault() : _algorithm;
}
private static PolicyAssertion getParameter(@NotNull QName parameterName, AssertionData data, @NotNull Collection<? extends PolicyAssertion> assertionParameters) throws AssertionCreationException {
assert parameterName != null;
assert assertionParameters != null;
PolicyAssertion parameter = null;
boolean parameterSet = false;
for (PolicyAssertion assertion : assertionParameters) {
if (parameterName.equals(assertion.getName())) {
if (parameterSet) {
throw LOGGER.logSevereException(new AssertionCreationException(
data,
LocalizationMessages.WSRM_1007_MULTIPLE_OCCURENCES_OF_ASSERTION_PARAMETER(parameterName, NAME)));
} else {
parameter = assertion;
}
}
}
return parameter;
}
public BackoffAlgorithm getAlgorithm() {
return algorithm;
}
public long getInterval() {
return interval;
}
public long getMaxRetries() {
return maxRetries;
}
public ReliableMessagingFeatureBuilder update(ReliableMessagingFeatureBuilder builder) {
return builder.messageRetransmissionInterval(interval).retransmissionBackoffAlgorithm(algorithm).maxMessageRetransmissionCount(maxRetries);
}
public boolean isCompatibleWith(RmProtocolVersion version) {
return RmProtocolVersion.WSRM200702 == version;
}
}