/*
 * Copyright 2018 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.statemachine.boot.actuate;

import java.util.List;

import org.springframework.boot.actuate.endpoint.annotation.Endpoint;
import org.springframework.boot.actuate.endpoint.annotation.ReadOperation;
import org.springframework.util.Assert;

/**
 * {@code Endpoint} to expose {@link StateMachineTrace} information.
 *
 * @author Janne Valkealahti
 *
 */
@Endpoint(id = "statemachinetrace")
public class StateMachineTraceEndpoint {

	private final StateMachineTraceRepository repository;

	/**
	 * Create a new {@link StateMachineTraceEndpoint} instance.
	 *
	 * @param repository the trace repository
	 */
	public StateMachineTraceEndpoint(StateMachineTraceRepository repository) {
		Assert.notNull(repository, "Repository must not be null");
		this.repository = repository;
	}

	@ReadOperation
	public List<StateMachineTrace> invoke() {
		return this.repository.findAll();
	}
}
