In other words, caching is to store data for future reference.
It stores the recently used data that reduces the number of database hits as much as possible. It lies between the application and persistence database. Cache Configuration: The backing cache where the data is stored and read from.Ĭaching is a part of temporary memory ( RAM).Cache Declaration: It identifies the methods that need to be cached.The developers take care of two things while working with cache abstractions. It does not matter how many times the method executes. Note: This approach works only for the methods that are guaranteed to return the same result for a given input. If no, first, the method executes, and the result is cached and returned to the user.If yes, the cached result is returned without executing the actual method.It checks whether the method has already been executed for the given argument or not. It applies to expensive methods such as CPU or IO bound.Įvery time, when a method invokes, the abstraction applies a cache behavior to the method. The main objective of using cache abstraction is to reduce the number of executions based on the information present in the cache. The cache abstraction mechanism applies to Java methods. In Spring, the cache abstraction is a mechanism that allows consistent use of various caching methods with minimal impact on the code. Spring Framework provides caching in a Spring Application, transparently.
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