getInstance() — spring-boot Function Reference

Architecture documentation for the getInstance() function in DefaultBootstrapContext.java from the spring-boot codebase.

Function java GradlePlugin AotProcessing calls 1 called by 4

Entity Profile

GradlePlugin→ AotProcessing→ getInstance() — spring-boot Function Reference

Dependency Diagram

graph TD
  e48b0014_eeea_f2a4_363f_d6101ab60325["getInstance()"]
  5cf57d2e_c9b3_99f8_df05_9512e842655a["deduceMainApplicationClass()"]
  5cf57d2e_c9b3_99f8_df05_9512e842655a -->|calls| e48b0014_eeea_f2a4_363f_d6101ab60325
  805663b4_fb92_a78c_765e_bf1a36785cc4["getOrElseSupply()"]
  805663b4_fb92_a78c_765e_bf1a36785cc4 -->|calls| e48b0014_eeea_f2a4_363f_d6101ab60325
  c72eb534_51b4_1003_ca6f_0c7542774c41["getOrElseThrow()"]
  c72eb534_51b4_1003_ca6f_0c7542774c41 -->|calls| e48b0014_eeea_f2a4_363f_d6101ab60325
  cdb275e5_fc0e_effe_6b06_a35014d4f328["aotContributionRegistersActiveProfiles()"]
  cdb275e5_fc0e_effe_6b06_a35014d4f328 -->|calls| e48b0014_eeea_f2a4_363f_d6101ab60325
  87f0b21f_3955_8dcc_cc55_9c6321893f96["get()"]
  e48b0014_eeea_f2a4_363f_d6101ab60325 -->|calls| 87f0b21f_3955_8dcc_cc55_9c6321893f96
  style e48b0014_eeea_f2a4_363f_d6101ab60325 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

core/spring-boot/src/main/java/org/springframework/boot/bootstrap/DefaultBootstrapContext.java lines 119–132

	@SuppressWarnings("unchecked")
	private <T> @Nullable T getInstance(Class<T> type, InstanceSupplier<?> instanceSupplier) {
		T instance = (T) this.instances.get(type);
		if (instance == null) {
			instance = (T) instanceSupplier.get(this);
			if (instance == null) {
				return null;
			}
			if (instanceSupplier.getScope() == Scope.SINGLETON) {
				this.instances.put(type, instance);
			}
		}
		return instance;
	}