DataObjectImpl

目录
- 概述
- - 需求：
- 设计思路
- 实现思路分析
- - 1.DataObjectImpl
  - 2.DeadLetterJobQueryImpl
  - 3.DeploymentQueryImpl
  - 4.Direction
  - 5.DynamicBpmnServiceImpl
参考资料和推荐阅读

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 private String name;
  private Object value;
  private String description;
  private String localizedName;
  private String localizedDescription;
  private String dataObjectDefinitionKey;

  private String type;

  public DataObjectImpl(String name, Object value, String description, String type, String localizedName,
      String localizedDescription, String dataObjectDefinitionKey) {

    this.name = name;
    this.value = value;
    this.type = type;
    this.description = description;
    this.localizedName = localizedName;
    this.localizedDescription = localizedDescription;
    this.dataObjectDefinitionKey = dataObjectDefinitionKey;
  }

  public String getName() {
    return name;
  }

  public void setName(String name) {
    this.name = name;
  }

  public String getLocalizedName() {
    if (localizedName != null && localizedName.length() > 0) {
      return localizedName;
    } else {
      return name;
    }
  }

  public void setLocalizedName(String localizedName) {
    this.localizedName = localizedName;
  }

  public String getDescription() {
    if (localizedDescription != null && localizedDescription.length() > 0) {
      return localizedDescription;
    } else {
      return description;
    }
  }

  public void setDescription(String description) {
    this.description = description;
  }

  public Object getValue() {
    return value;
  }

  public void setValue(Object value) {
    this.value = value;
  }

  public String getType() {
    return type;
  }

  public void setType(String type) {
    this.type = type;
  }


  public String getDataObjectDefinitionKey() {
    return dataObjectDefinitionKey;
  }


  public void setDataObjectDefinitionKey(String dataObjectDefinitionKey) {
    this.dataObjectDefinitionKey = dataObjectDefinitionKey;
  }
}

2.DeadLetterJobQueryImpl

public class DeadLetterJobQueryImpl extends AbstractQuery<DeadLetterJobQuery, Job> implements DeadLetterJobQuery, Serializable {

  private static final long serialVersionUID = 1L;
  protected String id;
  protected String processInstanceId;
  protected String executionId;
  protected String processDefinitionId;
  protected boolean executable;
  protected boolean onlyTimers;
  protected boolean onlyMessages;
  protected Date duedateHigherThan;
  protected Date duedateLowerThan;
  protected Date duedateHigherThanOrEqual;
  protected Date duedateLowerThanOrEqual;
  protected boolean withException;
  protected String exceptionMessage;
  protected String tenantId;
  protected String tenantIdLike;
  protected boolean withoutTenantId;

  public DeadLetterJobQueryImpl() {
  }

  public DeadLetterJobQueryImpl(CommandContext commandContext) {
    super(commandContext);
  }

  public DeadLetterJobQueryImpl(CommandExecutor commandExecutor) {
    super(commandExecutor);
  }

  public DeadLetterJobQueryImpl jobId(String jobId) {
    if (jobId == null) {
      throw new ActivitiIllegalArgumentException("Provided job id is null");
    }
    this.id = jobId;
    return this;
  }

  public DeadLetterJobQueryImpl processInstanceId(String processInstanceId) {
    if (processInstanceId == null) {
      throw new ActivitiIllegalArgumentException("Provided process instance id is null");
    }
    this.processInstanceId = processInstanceId;
    return this;
  }

  public DeadLetterJobQueryImpl processDefinitionId(String processDefinitionId) {
    if (processDefinitionId == null) {
      throw new ActivitiIllegalArgumentException("Provided process definition id is null");
    }
    this.processDefinitionId = processDefinitionId;
    return this;
  }

  public DeadLetterJobQueryImpl executionId(String executionId) {
    if (executionId == null) {
      throw new ActivitiIllegalArgumentException("Provided execution id is null");
    }
    this.executionId = executionId;
    return this;
  }

  public DeadLetterJobQueryImpl executable() {
    executable = true;
    return this;
  }

  public DeadLetterJobQueryImpl timers() {
    if (onlyMessages) {
      throw new ActivitiIllegalArgumentException("Cannot combine onlyTimers() with onlyMessages() in the same query");
    }
    this.onlyTimers = true;
    return this;
  }

  public DeadLetterJobQueryImpl messages() {
    if (onlyTimers) {
      throw new ActivitiIllegalArgumentException("Cannot combine onlyTimers() with onlyMessages() in the same query");
    }
    this.onlyMessages = true;
    return this;
  }

  public DeadLetterJobQueryImpl duedateHigherThan(Date date) {
    if (date == null) {
      throw new ActivitiIllegalArgumentException("Provided date is null");
    }
    this.duedateHigherThan = date;
    return this;
  }

  public DeadLetterJobQueryImpl duedateLowerThan(Date date) {
    if (date == null) {
      throw new ActivitiIllegalArgumentException("Provided date is null");
    }
    this.duedateLowerThan = date;
    return this;
  }

  public DeadLetterJobQueryImpl duedateHigherThen(Date date) {
    return duedateHigherThan(date);
  }

  public DeadLetterJobQueryImpl duedateHigherThenOrEquals(Date date) {
    if (date == null) {
      throw new ActivitiIllegalArgumentException("Provided date is null");
    }
    this.duedateHigherThanOrEqual = date;
    return this;
  }

  public DeadLetterJobQueryImpl duedateLowerThen(Date date) {
    return duedateLowerThan(date);
  }

  public DeadLetterJobQueryImpl duedateLowerThenOrEquals(Date date) {
    if (date == null) {
      throw new ActivitiIllegalArgumentException("Provided date is null");
    }
    this.duedateLowerThanOrEqual = date;
    return this;
  }

  public DeadLetterJobQueryImpl withException() {
    this.withException = true;
    return this;
  }

  public DeadLetterJobQueryImpl exceptionMessage(String exceptionMessage) {
    if (exceptionMessage == null) {
      throw new ActivitiIllegalArgumentException("Provided exception message is null");
    }
    this.exceptionMessage = exceptionMessage;
    return this;
  }

  public DeadLetterJobQueryImpl jobTenantId(String tenantId) {
    if (tenantId == null) {
      throw new ActivitiIllegalArgumentException("job is null");
    }
    this.tenantId = tenantId;
    return this;
  }

  public DeadLetterJobQueryImpl jobTenantIdLike(String tenantIdLike) {
    if (tenantIdLike == null) {
      throw new ActivitiIllegalArgumentException("job is null");
    }
    this.tenantIdLike = tenantIdLike;
    return this;
  }

3.DeploymentQueryImpl

public class DeploymentQueryImpl extends AbstractQuery<DeploymentQuery, Deployment> implements DeploymentQuery, Serializable {

  private static final long serialVersionUID = 1L;
  protected String deploymentId;
  protected String name;
  protected String nameLike;
  protected String category;
  protected String categoryLike;
  protected String categoryNotEquals;
  protected String key;
  protected String keyLike;
  protected String tenantId;
  protected String tenantIdLike;
  protected boolean withoutTenantId;
  protected String processDefinitionKey;
  protected String processDefinitionKeyLike;
  protected boolean latest;
  protected boolean latestVersion;

  public DeploymentQueryImpl() {
  }

  public DeploymentQueryImpl(CommandContext commandContext) {
    super(commandContext);
  }

  public DeploymentQueryImpl(CommandExecutor commandExecutor) {
    super(commandExecutor);
  }

  public DeploymentQueryImpl deploymentId(String deploymentId) {
    if (deploymentId == null) {
      throw new ActivitiIllegalArgumentException("Deployment id is null");
    }
    this.deploymentId = deploymentId;
    return this;
  }

  public DeploymentQueryImpl deploymentName(String deploymentName) {
    if (deploymentName == null) {
      throw new ActivitiIllegalArgumentException("deploymentName is null");
    }
    this.name = deploymentName;
    return this;
  }

  public DeploymentQueryImpl deploymentNameLike(String nameLike) {
    if (nameLike == null) {
      throw new ActivitiIllegalArgumentException("deploymentNameLike is null");
    }
    this.nameLike = nameLike;
    return this;
  }

  public DeploymentQueryImpl deploymentCategory(String deploymentCategory) {
    if (deploymentCategory == null) {
      throw new ActivitiIllegalArgumentException("deploymentCategory is null");
    }
    this.category = deploymentCategory;
    return this;
  }

  public DeploymentQueryImpl deploymentCategoryLike(String categoryLike) {
    if (categoryLike == null) {
      throw new ActivitiIllegalArgumentException("deploymentCategoryLike is null");
    }
    this.categoryLike = categoryLike;
    return this;
  }

  public DeploymentQueryImpl deploymentCategoryNotEquals(String deploymentCategoryNotEquals) {
    if (deploymentCategoryNotEquals == null) {
      throw new ActivitiIllegalArgumentException("deploymentCategoryExclude is null");
    }
    this.categoryNotEquals = deploymentCategoryNotEquals;
    return this;
  }

  public DeploymentQueryImpl deploymentKey(String deploymentKey) {
    if (deploymentKey == null) {
      throw new ActivitiIllegalArgumentException("deploymentKey is null");
    }
    this.key = deploymentKey;
    return this;
  }

  public DeploymentQueryImpl deploymentKeyLike(String deploymentKeyLike) {
    if (deploymentKeyLike == null) {
      throw new ActivitiIllegalArgumentException("deploymentKeyLike is null");
    }
    this.keyLike = deploymentKeyLike;
    return this;
  }

  public DeploymentQueryImpl deploymentTenantId(String tenantId) {
    if (tenantId == null) {
      throw new ActivitiIllegalArgumentException("deploymentTenantId is null");
    }
    this.tenantId = tenantId;
    return this;
  }

  public DeploymentQueryImpl deploymentTenantIdLike(String tenantIdLike) {
    if (tenantIdLike == null) {
      throw new ActivitiIllegalArgumentException("deploymentTenantIdLike is null");
    }
    this.tenantIdLike = tenantIdLike;
    return this;
  }

  public DeploymentQueryImpl deploymentWithoutTenantId() {
    this.withoutTenantId = true;
    return this;
  }

  public DeploymentQueryImpl processDefinitionKey(String key) {
    if (key == null) {
      throw new ActivitiIllegalArgumentException("key is null");
    }
    this.processDefinitionKey = key;
    return this;
  }

  public DeploymentQueryImpl processDefinitionKeyLike(String keyLike) {
    if (keyLike == null) {
      throw new ActivitiIllegalArgumentException("keyLike is null");
    }
    this.processDefinitionKeyLike = keyLike;
    return this;
  }

  public DeploymentQueryImpl latest() {
    if (key == null) {
      throw new ActivitiIllegalArgumentException("latest can only be used together with a deployment key");
    }

    this.latest = true;
    return this;
  }

  @Override
  public DeploymentQuery latestVersion() {
    this.latestVersion = true;

    return this;
  }

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4.Direction

public class Direction {

  private static final Map<String, Direction> directions = new HashMap<String, Direction>();

  public static final Direction ASCENDING = new Direction("asc");
  public static final Direction DESCENDING = new Direction("desc");

  private String name;

  public Direction(String name) {
    this.name = name;
    directions.put(name, this);
  }

  public String getName() {
    return name;
  }

  public static Direction findByName(String directionName) {
    return directions.get(directionName);
  }
}

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5.DynamicBpmnServiceImpl

public class DynamicBpmnServiceImpl extends ServiceImpl implements DynamicBpmnService, DynamicBpmnConstants {

  public DynamicBpmnServiceImpl(ProcessEngineConfigurationImpl processEngineConfiguration) {
    super(processEngineConfiguration);
  }

  public ObjectNode getProcessDefinitionInfo(String processDefinitionId) {
    return commandExecutor.execute(new GetProcessDefinitionInfoCmd(processDefinitionId));
  }

  public void saveProcessDefinitionInfo(String processDefinitionId, ObjectNode infoNode) {
    commandExecutor.execute(new SaveProcessDefinitionInfoCmd(processDefinitionId, infoNode));
  }

  public ObjectNode changeServiceTaskClassName(String id, String className) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeServiceTaskClassName(id, className, infoNode);
    return infoNode;
  }

  public void changeServiceTaskClassName(String id, String className, ObjectNode infoNode) {
    setElementProperty(id, SERVICE_TASK_CLASS_NAME, className, infoNode);
  }

  public ObjectNode changeServiceTaskExpression(String id, String expression) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeServiceTaskExpression(id, expression, infoNode);
    return infoNode;
  }

  public void changeServiceTaskExpression(String id, String expression, ObjectNode infoNode) {
    setElementProperty(id, SERVICE_TASK_EXPRESSION, expression, infoNode);
  }

  public ObjectNode changeServiceTaskDelegateExpression(String id, String expression) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeServiceTaskDelegateExpression(id, expression, infoNode);
    return infoNode;
  }

  public void changeServiceTaskDelegateExpression(String id, String expression, ObjectNode infoNode) {
    setElementProperty(id, SERVICE_TASK_DELEGATE_EXPRESSION, expression, infoNode);
  }

  public ObjectNode changeScriptTaskScript(String id, String script) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeScriptTaskScript(id, script, infoNode);
    return infoNode;
  }

  public void changeScriptTaskScript(String id, String script, ObjectNode infoNode) {
    setElementProperty(id, SCRIPT_TASK_SCRIPT, script, infoNode);
  }

  public ObjectNode changeUserTaskName(String id, String name) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskName(id, name, infoNode);
    return infoNode;
  }

  public void changeUserTaskName(String id, String name, ObjectNode infoNode) {
    setElementProperty(id, USER_TASK_NAME, name, infoNode);
  }

  public ObjectNode changeUserTaskDescription(String id, String description) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskDescription(id, description, infoNode);
    return infoNode;
  }

  public void changeUserTaskDescription(String id, String description, ObjectNode infoNode) {
    setElementProperty(id, USER_TASK_DESCRIPTION, description, infoNode);
  }

  public ObjectNode changeUserTaskDueDate(String id, String dueDate) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskDueDate(id, dueDate, infoNode);
    return infoNode;
  }

  public void changeUserTaskDueDate(String id, String dueDate, ObjectNode infoNode) {
    setElementProperty(id, USER_TASK_DUEDATE, dueDate, infoNode);
  }

  public ObjectNode changeUserTaskPriority(String id, String priority) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskPriority(id, priority, infoNode);
    return infoNode;
  }

  public void changeUserTaskPriority(String id, String priority, ObjectNode infoNode) {
    setElementProperty(id, USER_TASK_PRIORITY, priority, infoNode);
  }

  public ObjectNode changeUserTaskCategory(String id, String category) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskCategory(id, category, infoNode);
    return infoNode;
  }

  public void changeUserTaskCategory(String id, String category, ObjectNode infoNode) {
    setElementProperty(id, USER_TASK_CATEGORY, category, infoNode);
  }

  public ObjectNode changeUserTaskFormKey(String id, String formKey) {