Spring Circular Dependency Graph
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The 'Spring Circular Dependency Graph' flowchart illustrates the process of managing circular dependencies within the Spring framework using a three-level cache system. It begins with the instantiation of beans A and B, highlighting how each bean depends on the other. The flowchart details the use of primary, secondary, and singleton factory caches to resolve these dependencies. It demonstrates the process of bean creation, cache lookup, and initialization, ensuring that early references are properly managed. This visual guide is essential for understanding how Spring handles circular dependencies and efficiently manages bean lifecycles, ensuring seamless application performance.
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Nonexistent
Three-level cache (Map)
None
getBean(B.class) depends on B
Output: Primary cache returns B object
Start
getBean(A.class)
getBean(A.class) depends on A
CreateBeanInstance()Instantiate A
Look up the cache
Cache B Singleton Factory
Cache A singleton factory
CreateBeanInstance()Instantiate B
Find
populateBean()
initializeBean()Complete initialization A
Spring's three-level cache
Return to early references of A
Find the first-level cache
First-level cache (Map)
Secondary cache (Map)
initializeBean()Complete initialization B
None and not in the process of being created
End
Collect
Collect
Collect
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