Java tutorial
/** * The contents of this file may be used under the terms of the Apache License, Version 2.0 * in which case, the provisions of the Apache License Version 2.0 are applicable instead of those above. * * Copyright 2014, Ecarf.io * * 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 * * http://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 io.cloudex.framework.config; import io.cloudex.framework.types.ExecutionMode; import io.cloudex.framework.utils.ObjectUtils; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.Serializable; import java.util.List; import java.util.Map; import javax.validation.constraints.NotNull; import javax.validation.constraints.Size; import com.google.gson.stream.JsonReader; /** * @author Omer Dawelbeit (omerio) * */ public class Job implements Serializable { private static final long serialVersionUID = 7460340670508024439L; private String id; private String description; @NotNull @Size(min = 1) private Map<String, Object> data; @NotNull private VmConfig vmConfig; private ExecutionMode mode; @NotNull @Size(min = 1) private List<TaskConfig> tasks; /** * @return the id */ public String getId() { return id; } /** * @param id the id to set */ public void setId(String id) { this.id = id; } /** * @return the data */ public Map<String, Object> getData() { return data; } /** * @param data the data to set */ public void setData(Map<String, Object> data) { this.data = data; } /** * @return the mode */ public ExecutionMode getMode() { return mode; } /** * @param mode the mode to set */ public void setMode(ExecutionMode mode) { this.mode = mode; } /** * @return the tasks */ public List<TaskConfig> getTasks() { return tasks; } /** * @return the vmConfig */ public VmConfig getVmConfig() { return vmConfig; } /** * @param vmConfig the vmConfig to set */ public void setVmConfig(VmConfig vmConfig) { this.vmConfig = vmConfig; } /** * @param tasks the tasks to set */ public void setTasks(List<TaskConfig> tasks) { this.tasks = tasks; } /** * @return the description */ public String getDescription() { return description; } /** * @param description the description to set */ public void setDescription(String description) { this.description = description; } /** * Convert to JSON * @return json representation of this object. */ public String toJson() { return ObjectUtils.GSON.toJson(this); } /** * De-serialize a job instance from a json file. * @param jsonFile - a file path * @return a Job instance * @throws FileNotFoundException if the file is not found * @throws IOException if the json conversion fails */ public static Job fromJsonFile(String jsonFile) throws FileNotFoundException, IOException { try (FileReader reader = new FileReader(jsonFile)) { return ObjectUtils.GSON.fromJson(new JsonReader(reader), Job.class); } } /** * De-serialize a job instance from a json string. * @param json - a json string * @return a Job instance */ public static Job fromJsonString(String json) { return ObjectUtils.GSON.fromJson(json, Job.class); } /** * check if this instance is valid * @return true if valid */ public boolean valid() { boolean valid = true; valid = ObjectUtils.isValid(Job.class, this) && this.vmConfig.valid(); for (TaskConfig taskConfig : this.tasks) { valid = valid && taskConfig.valid(); if (!valid) { break; } } return valid; } /** * Get any validation errors * @return a list of validation messages */ public List<String> getValidationErrors() { List<String> messages = ObjectUtils.getValidationErrors(Job.class, this); if (messages.isEmpty()) { messages.addAll(this.vmConfig.getValidationErrors()); for (TaskConfig taskConfig : this.tasks) { messages.addAll(taskConfig.getValidationErrors()); } } return messages; } }