Threading Type — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/thread/Threading.java lines 28–62

public enum Threading {

	/**
	 * Platform threads. Active if virtual threads are not active.
	 */
	PLATFORM {

		@Override
		public boolean isActive(Environment environment) {
			return !VIRTUAL.isActive(environment);
		}

	},
	/**
	 * Virtual threads. Active if {@code spring.threads.virtual.enabled} is {@code true}
	 * and running on Java 21 or later.
	 */
	VIRTUAL {

		@Override
		public boolean isActive(Environment environment) {
			return environment.getProperty("spring.threads.virtual.enabled", boolean.class, false)
					&& JavaVersion.getJavaVersion().isEqualOrNewerThan(JavaVersion.TWENTY_ONE);
		}

	};

	/**
	 * Determines whether the threading is active.
	 * @param environment the environment
	 * @return whether the threading is active
	 */
	public abstract boolean isActive(Environment environment);

}