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Merge pull request #20755 from dreis2211

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* pr/20755:
  Improve Binder performance slightly

Closes gh-20755
This commit is contained in:
Stephane Nicoll 2020-04-10 14:24:07 +02:00
commit 2ab28446ec
2 changed files with 12 additions and 12 deletions
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4
spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/Binder.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2012-2019 the original author or authors.
* Copyright 2012-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -367,7 +367,7 @@ public class Binder {
private <T> Object bindObject(ConfigurationPropertyName name, Bindable<T> target, BindHandler handler,
Context context, boolean allowRecursiveBinding) {
ConfigurationProperty property = findProperty(name, context);
if (property == null && containsNoDescendantOf(context.getSources(), name) && context.depth != 0) {
if (property == null && context.depth != 0 && containsNoDescendantOf(context.getSources(), name)) {
return null;
}
AggregateBinder<?> aggregateBinder = getAggregateBinder(target, context);

20
spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/IndexedElementsBinder.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2012-2019 the original author or authors.
* Copyright 2012-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -101,7 +101,7 @@ abstract class IndexedElementsBinder<T> extends AggregateBinder<T> {
private void bindIndexed(ConfigurationPropertySource source, ConfigurationPropertyName root,
AggregateElementBinder elementBinder, IndexedCollectionSupplier collection, ResolvableType elementType) {
MultiValueMap<String, ConfigurationProperty> knownIndexedChildren = getKnownIndexedChildren(source, root);
MultiValueMap<String, ConfigurationPropertyName> knownIndexedChildren = getKnownIndexedChildren(source, root);
for (int i = 0; i < Integer.MAX_VALUE; i++) {
ConfigurationPropertyName name = root.append((i != 0) ? "[" + i + "]" : INDEX_ZERO);
Object value = elementBinder.bind(name, Bindable.of(elementType), source);
@ -111,12 +111,12 @@ abstract class IndexedElementsBinder<T> extends AggregateBinder<T> {
knownIndexedChildren.remove(name.getLastElement(Form.UNIFORM));
collection.get().add(value);
}
assertNoUnboundChildren(knownIndexedChildren);
assertNoUnboundChildren(source, knownIndexedChildren);
}
private MultiValueMap<String, ConfigurationProperty> getKnownIndexedChildren(ConfigurationPropertySource source,
private MultiValueMap<String, ConfigurationPropertyName> getKnownIndexedChildren(ConfigurationPropertySource source,
ConfigurationPropertyName root) {
MultiValueMap<String, ConfigurationProperty> children = new LinkedMultiValueMap<>();
MultiValueMap<String, ConfigurationPropertyName> children = new LinkedMultiValueMap<>();
if (!(source instanceof IterableConfigurationPropertySource)) {
return children;
}
@ -124,17 +124,17 @@ abstract class IndexedElementsBinder<T> extends AggregateBinder<T> {
ConfigurationPropertyName choppedName = name.chop(root.getNumberOfElements() + 1);
if (choppedName.isLastElementIndexed()) {
String key = choppedName.getLastElement(Form.UNIFORM);
ConfigurationProperty value = source.getConfigurationProperty(name);
children.add(key, value);
children.add(key, name);
}
}
return children;
}
private void assertNoUnboundChildren(MultiValueMap<String, ConfigurationProperty> children) {
private void assertNoUnboundChildren(ConfigurationPropertySource source,
MultiValueMap<String, ConfigurationPropertyName> children) {
if (!children.isEmpty()) {
throw new UnboundConfigurationPropertiesException(
children.values().stream().flatMap(List::stream).collect(Collectors.toCollection(TreeSet::new)));
throw new UnboundConfigurationPropertiesException(children.values().stream().flatMap(List::stream)
.map(source::getConfigurationProperty).collect(Collectors.toCollection(TreeSet::new)));
}
}