PropertySourceInfo Type — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/env/PropertySourceInfo.java lines 30–53

public interface PropertySourceInfo {

	/**
	 * Return {@code true} if this lookup is immutable and has contents that will never
	 * change.
	 * @return if the lookup is immutable
	 */
	default boolean isImmutable() {
		return false;
	}

	/**
	 * Return the implicit prefix that is applied when performing a lookup or {@code null}
	 * if no prefix is used. Prefixes can be used to disambiguate keys that would
	 * otherwise clash. For example, if multiple applications are running on the same
	 * machine a different prefix can be set on each application to ensure that different
	 * environment variables are used.
	 * @return the prefix applied by the lookup class or {@code null}.
	 */
	default @Nullable String getPrefix() {
		return null;
	}

}