Pool Class — spring-boot Architecture

Source Code

core/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/task/TaskExecutionProperties.java lines 138–235

	public static class Pool {

		/**
		 * Queue capacity. An unbounded capacity does not increase the pool and therefore
		 * ignores the "max-size" property. Doesn't have an effect if virtual threads are
		 * enabled.
		 */
		private int queueCapacity = Integer.MAX_VALUE;

		/**
		 * Core number of threads. Doesn't have an effect if virtual threads are enabled.
		 */
		private int coreSize = 8;

		/**
		 * Maximum allowed number of threads. If tasks are filling up the queue, the pool
		 * can expand up to that size to accommodate the load. Ignored if the queue is
		 * unbounded. Doesn't have an effect if virtual threads are enabled.
		 */
		private int maxSize = Integer.MAX_VALUE;

		/**
		 * Whether core threads are allowed to time out. This enables dynamic growing and
		 * shrinking of the pool. Doesn't have an effect if virtual threads are enabled.
		 */
		private boolean allowCoreThreadTimeout = true;

		/**
		 * Time limit for which threads may remain idle before being terminated. Doesn't
		 * have an effect if virtual threads are enabled.
		 */
		private Duration keepAlive = Duration.ofSeconds(60);

		private final Shutdown shutdown = new Shutdown();

		public int getQueueCapacity() {
			return this.queueCapacity;
		}

		public void setQueueCapacity(int queueCapacity) {
			this.queueCapacity = queueCapacity;
		}

		public int getCoreSize() {
			return this.coreSize;
		}

		public void setCoreSize(int coreSize) {
			this.coreSize = coreSize;
		}

		public int getMaxSize() {
			return this.maxSize;
		}

		public void setMaxSize(int maxSize) {
			this.maxSize = maxSize;
		}

		public boolean isAllowCoreThreadTimeout() {
			return this.allowCoreThreadTimeout;
		}

		public void setAllowCoreThreadTimeout(boolean allowCoreThreadTimeout) {
			this.allowCoreThreadTimeout = allowCoreThreadTimeout;
		}

		public Duration getKeepAlive() {
			return this.keepAlive;
		}

		public void setKeepAlive(Duration keepAlive) {
			this.keepAlive = keepAlive;
		}

		public Shutdown getShutdown() {
			return this.shutdown;
		}

		public static class Shutdown {

			/**
			 * Whether to accept further tasks after the application context close phase
			 * has begun.
			 */
			private boolean acceptTasksAfterContextClose;

			public boolean isAcceptTasksAfterContextClose() {
				return this.acceptTasksAfterContextClose;
			}

			public void setAcceptTasksAfterContextClose(boolean acceptTasksAfterContextClose) {
				this.acceptTasksAfterContextClose = acceptTasksAfterContextClose;
			}

		}

	}