19 lines
581 B
Plaintext
19 lines
581 B
Plaintext
A Spring ``++singleton++`` bean may be used by many threads at once, and the use of instance (non-``++static++``) variables could cause concurrency issues.
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This rule applies to classes with the following annotations: ``++@Service++``, ``++@Component++``, ``++@Repository++``, ``++@Scope("singleton")++``
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== Noncompliant Code Example
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----
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@Service("animalService")
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public class AnimalService {
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private int age = 1; // Noncompliant
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private static int count = 0; // Compliant; static
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@Inject
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private AnimalDAO animalDAO; // Compliant; managed by Spring
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...
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}
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----
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