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DATACMNS-1158 - ProjectionFactory is now configurable by module implementations.

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Introduced RepositoryFactorySupport.getProjectionFactory(…) to create a ProjectionFactory to be used for repository instances created. The default implementation uses the SpelAwareProxyProjectionFactory.

The ProjectionInformation implementation is now a named class so it can be used for more specialized implementations.

Original pull request: #243.
Related issue: DATAJPA-1173.
This commit is contained in:
Jens Schauder
2017-09-15 06:45:22 +02:00
committed by Oliver Gierke
parent 0237760345
commit 300f3cfd66
3 changed files with 65 additions and 38 deletions
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54
src/main/java/org/springframework/data/projection/SpelAwareProxyProjectionFactory.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2015-2016 the original author or authors.
* Copyright 2015-2017 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.
@@ -39,6 +39,7 @@ import org.springframework.util.ReflectionUtils;
* @author Oliver Gierke
* @author Thomas Darimont
* @author Mark Paluch
* @author Jens Schauder
* @since 1.10
*/
public class SpelAwareProxyProjectionFactory extends ProxyProjectionFactory implements BeanFactoryAware {
@@ -63,29 +64,7 @@ public class SpelAwareProxyProjectionFactory extends ProxyProjectionFactory impl
*/
@Override
protected ProjectionInformation createProjectionInformation(Class<?> projectionType) {
return new DefaultProjectionInformation(projectionType) {
/*
* (non-Javadoc)
* @see org.springframework.data.projection.DefaultProjectionInformation#isInputProperty(java.beans.PropertyDescriptor)
*/
@Override
protected boolean isInputProperty(PropertyDescriptor descriptor) {
if (!super.isInputProperty(descriptor)) {
return false;
}
Method readMethod = descriptor.getReadMethod();
if (readMethod == null) {
return false;
}
return AnnotationUtils.findAnnotation(readMethod, Value.class) == null;
}
};
return new SpelAwareProjectionInformation(projectionType);
}
/**
@@ -121,4 +100,31 @@ public class SpelAwareProxyProjectionFactory extends ProxyProjectionFactory impl
return callback.hasFoundAnnotation();
}
protected static class SpelAwareProjectionInformation extends DefaultProjectionInformation {
protected SpelAwareProjectionInformation(Class<?> projectionType) {
super(projectionType);
}
/*
* (non-Javadoc)
* @see org.springframework.data.projection.DefaultProjectionInformation#isInputProperty(java.beans.PropertyDescriptor)
*/
@Override
protected boolean isInputProperty(PropertyDescriptor descriptor) {
if (!super.isInputProperty(descriptor)) {
return false;
}
Method readMethod = descriptor.getReadMethod();
if (readMethod == null) {
return false;
}
return AnnotationUtils.findAnnotation(readMethod, Value.class) == null;
}
}
}