Source code
package org.springframework.cache.interceptor;
import java.lang.reflect.Method;
import java.util.Collection;
import org.jspecify.annotations.Nullable;
import org.springframework.util.CollectionUtils;
public interface CacheOperationSource {
default boolean isCandidateClass(Class<?> targetClass) {
return true;
}
default boolean hasCacheOperations(Method method, @Nullable Class<?> targetClass) {
return !CollectionUtils.isEmpty(getCacheOperations(method, targetClass));
}
@Nullable Collection<CacheOperation> getCacheOperations(Method method, @Nullable Class<?> targetClass);
}
Run 1
This is clean, highly readable interface code despite the excessive blank lines (which appear to be intentional spacing for JavaDoc or visual separation, though unusual). Structure is logical with three cohesive methods. Nesting is flat—no conditional or loop nesting. Intent is clear: it's a Spring cache operation source contract. Code length is minimal and appropriate for an interface. Action granularity is one method per line, as expected. Reading flow is natural: class declaration, default implementations, then abstract method. The main deductions: the large blocks of blank lines (9-13 consecutive empty lines) reduce readability and waste vertical space, and the generic method name `getCacheOperations` could be more specific, though it is conventional. JSpecify annotations add clarity without noise.
Run 2
The code is an interface with clear, well-named methods (CacheOperationSource), making its intent understandable. However, the excessive blank lines between methods (up to 14) disrupt reading flow and make the file unnecessarily long. Structure is logical, nesting is flat, and action granularity is fine, but the formatting reduces readability. The methods are concise and the default implementations are straightforward.
Run 3
The code demonstrates good readability overall. The structure is clear: a single interface with three well-named methods, flat nesting, and concise method bodies. Intent is evident - isCandidateClass is a hook, hasCacheOperations provides a default check, and getCacheOperations is the core contract. Action granularity is appropriate with single logical operations per method. Reading flow follows a natural order of class check, operation check, then raw access. However, excessive blank lines (e.g., 11 empty lines after imports and 12 between methods) disrupt the flow and increase vertical space unnecessarily. The unused import of CollectionUtils.isEmpty reduces cleanliness. While still readable, this blank-line clutter prevents a higher score.
Run 1
Code Structure: The interface is logically organized, with imports followed by two default methods and one abstract method. Nesting: There is no nested control flow, making the code easy to scan. Clarity of intent: Descriptive method names communicate cache-operation lookup and detection, although the unconditional candidate check lacks explanatory context. Code length: The implementation is concise, but excessive blank lines unnecessarily inflate its visual length. Action granularity: Each statement performs one clear action. Reading flow: Method ordering is natural, but large whitespace gaps interrupt continuity and make related methods appear disconnected.
Run 2
Code Structure: The interface logically groups three related cache-operation methods. Nesting: Methods are flat, with no nested control flow. Clarity of intent: Descriptive method names and straightforward implementations communicate purpose, although the unconditional candidate-class default lacks explanatory context. Code length: Executable code is concise, but excessive blank lines unnecessarily inflate the snippet. Action granularity: Each statement performs a single clear action. Reading flow: Method ordering is natural, but large whitespace gaps interrupt scanning and separate related declarations.
Run 3
Code Structure: The interface logically groups related cache-operation methods, although excessive blank lines disrupt its organization. Nesting: Methods are flat, with no nested control flow. Clarity of intent: Descriptive method names and explicit nullability annotations communicate purpose; the unconditional candidate-class default is clear but unexplained. Code length: Implementation is concise, but unnecessary whitespace substantially inflates its visual length. Action granularity: Each method performs a single action, and statements are cleanly separated. Reading flow: Methods follow a natural progression from class eligibility to operation detection and retrieval, but large whitespace gaps interrupt scanning.