ElementType Type — spring-boot Architecture

Source Code

core/spring-boot/src/main/java/org/springframework/boot/context/properties/source/ConfigurationPropertyName.java lines 1147–1198

	private enum ElementType {

		/**
		 * The element is logically empty (contains no valid chars).
		 */
		EMPTY(false),

		/**
		 * The element is a uniform name (a-z, 0-9, no dashes, lowercase).
		 */
		UNIFORM(false),

		/**
		 * The element is almost uniform, but it contains (but does not start with) at
		 * least one dash.
		 */
		DASHED(false),

		/**
		 * The element contains non-uniform characters and will need to be converted.
		 */
		NON_UNIFORM(false),

		/**
		 * The element is non-numerically indexed.
		 */
		INDEXED(true),

		/**
		 * The element is numerically indexed.
		 */
		NUMERICALLY_INDEXED(true);

		private final boolean indexed;

		ElementType(boolean indexed) {
			this.indexed = indexed;
		}

		public boolean isIndexed() {
			return this.indexed;
		}

		public boolean allowsFastEqualityCheck() {
			return this == UNIFORM || this == NUMERICALLY_INDEXED;
		}

		public boolean allowsDashIgnoringEqualityCheck() {
			return allowsFastEqualityCheck() || this == DASHED;
		}

	}