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Enhance Function<List<T>, List<R>> to Publish Individual Messages with splitMode=true #3097

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Enhance Function<List<T>, List<R>> to Publish Individual Messages with splitMode=true #3097

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10 changes: 10 additions & 0 deletions ...loud-stream/src/main/java/org/springframework/cloud/stream/binder/ProducerProperties.java
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Original file line number Diff line number Diff line change
Expand Up @@ -83,6 +83,8 @@ public class ProducerProperties {

private boolean dynamicPartitionUpdatesEnabled = false;

private boolean splitMode = false;

public String getBindingName() {
return bindingName;
}
Expand Down Expand Up @@ -215,6 +217,14 @@ public void setDynamicPartitionUpdatesEnabled(boolean enabled) {
this.dynamicPartitionUpdatesEnabled = enabled;
}

public boolean isSplitMode() {
return splitMode;
}

public void setSplitMode(boolean splitMode) {
this.splitMode = splitMode;
}

static class ExpressionSerializer extends JsonSerializer<Expression> {

@Override
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8 changes: 8 additions & 0 deletions ...stream/src/main/java/org/springframework/cloud/stream/function/FunctionConfiguration.java
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Function;
Expand Down Expand Up @@ -614,6 +615,13 @@ private void bindFunctionToDestinations(BindableProxyFactory bindableProxyFactor
});
}
else {
boolean isSplitMode = outputBindingNames.stream()
.map(bindingName -> this.serviceProperties.getBindings().get(bindingName).getProducer())
.filter(Objects::nonNull)
.anyMatch(ProducerProperties::isSplitMode);

function.setEnableSplitting(isSplitMode);

String outputDestinationName = this.determineOutputDestinationName(0, bindableProxyFactory, function.isConsumer());
if (!ObjectUtils.isEmpty(inputBindingNames)) {
String inputDestinationName = inputBindingNames.iterator().next();
Expand Down