Cloudlet 类
是用来说明在VM中运行的任务的类
Cloudlet 的属性
用来说明任务的状态(如就绪,成功,失败,暂停等)
public enum CloudletStatus {
/** The Cloudlet has been created and added to the CloudletList object. */
CREATED,
/** The Cloudlet has been assigned to a CloudResource object to be executed as planned. */
READY,
/** The Cloudlet has moved to a Cloud node. */
QUEUED,
/** The Cloudlet is in execution in a Cloud node. */
INEXEC,
/** The Cloudlet has been executed successfully. */
SUCCESS,
/** The Cloudlet has failed. */
FAILED,
/** The Cloudlet has been canceled. */
CANCELED,
/** The Cloudlet has been paused. It can be resumed by changing the status into RESUMED. */
PAUSED,
/** The Cloudlet has been resumed from PAUSED state. */
RESUMED,
/** The cloudlet has failed due to a resource failure.*/
FAILED_RESOURCE_UNAVAILABLE;
public static final CloudletStatus[] values = values();
// @NOTE: Convert an int to enum with CloudletStatus.values[i] (mind the array bounds)
}
任务的ID
/**
* The cloudlet ID.
*/
private final int cloudletId;
broker(管理器)的ID
/**
* The User or Broker ID. It is advisable that broker set this ID with its
* own ID, so that CloudResource returns to it after the execution.
*/
private int userId;
任务的ID(字符串)
/** The Cloudlet UID */
private String uid;
执行长度(任务的计算量)-对应的是设备CPU计算频率
/**
* The execution length of this Cloudlet (Unit: in Million Instructions
* (MI)). According to this length and the power of the processor (in
* Million Instruction Per Second - MIPS) where the cloudlet will be run,
* the cloudlet will take a given time to finish processing. For instance,
* for a cloudlet of 10000 MI running on a processor of 2000 MIPS, the
* cloudlet will spend 5 seconds using the processor in order to be
* completed (that may be uninterrupted or not, depending on the scheduling
* policy).
*
* @see #setNumberOfPes(int)
*/
private long cloudletLength;
输入的文件大小-对应的是设备存储空间
/**
* The input file size of this Cloudlet before execution (unit: in byte).
* This size has to be considered the program + input data sizes.
*/
private final long cloudletFileSize;
输出的文件大小
/**
* The output file size of this Cloudlet after execution (unit: in byte).
* <p>
* //TODO See
* <a href="https://groups.google.com/forum/#!topic/cloudsim/MyZ7OnrXuuI">this
* discussion</a>
*/
private final long cloudletOutputSize;
执行任务需要的核心数
/**
* The number of Processing Elements (Pe) required to execute this cloudlet
* (job).
*
* @see #setNumberOfPes(int)
*/
private int numberOfPes;
任务的执行状态
/**
* The execution status of this Cloudlet.
*/
private CloudletStatus status;
任务开始执行的时间
/**
* The execution start time of this Cloudlet. With new functionalities, such
* as CANCEL, PAUSED and RESUMED, this attribute only stores the latest
* execution time. Previous execution time are ignored.
*/
private double execStartTime;
任务完成的时间
/**
* The time where this Cloudlet completes.
*/
private double execFinishTime;
运行任务消耗的时间
/** The total time to complete this Cloudlet. */
private double totalCompletionTime;
是否要输出运行记录
/**
* Indicates if transaction history records for this Cloudlet is to be
* outputted.
*/
private final boolean record;
是否输出运行记录
/**
* Indicates if transaction history records for this Cloudlet is to be
* outputted.
*/
private final boolean record;
存储操作系统的分界
/**
* Stores the operating system line separator.
*/
private String newline;
任务的执行历史记录
/**
* The cloudlet transaction history.
*/
private StringBuffer history;
云任务在每个VM上执行的列表(如果它在一个单一的云资源上开始并完成执行，而没有被迁移，这个列表将只有一个)
/**
* The list of every resource where the cloudlet has been executed. In case
* it starts and finishes executing in a single cloud resource, without
* being migrated, this list will have only one item.
*/
private final List<Resource> resList;
任务最后执行位置的VM的ID
/**
* The index of the last resource where the cloudlet was executed. If the
* cloudlet is migrated during its execution, this index is updated. The
* value -1 indicates the cloudlet has not been executed
* yet.
*/
private int index;
任务种类和执行的优先级
/**
* The classType or priority of this Cloudlet for scheduling on a resource.
*/
private int classType;
网络种类
/**
* The Type of Service (ToS) of IPv4 for sending Cloudlet over the network.
*/
private int netToS;
数据格式
/**
* The format of decimal numbers.
*/
private DecimalFormat num;
执行任务的用户ID
/**
* The id of the guest entity that is planned to execute the cloudlet.
*/
protected int guestId;
计划执行任务的VM容器
/**
* The id of the container is planned to execute the cloudlet.
* It may be -1, if containers are not in use
*/
// TODO: Remo Andreoli: to be deprecated in favor of guestId
protected int containerId = -1;
传输能耗/比特
/**
* The cost of each byte of bandwidth (bw) consumed.
*/
protected double costPerBw;
传输任务总能量消耗
/**
* The total bandwidth (bw) cost for transferring the cloudlet by the
* network, according to the {@link #cloudletFileSize}.
*/
protected double accumulatedBwCost;
任务的CPU的使用量
/**
* The utilization model that defines how the cloudlet will use the VM's
* CPU.
*/
private UtilizationModel utilizationModelCpu;
任务的内存使用量
/**
* The utilization model that defines how the cloudlet will use the VM's
* RAM.
*/
private UtilizationModel utilizationModelRam;
任务的带宽使用量
/**
* The utilization model that defines how the cloudlet will use the VM's
* bandwidth (bw).
*/
private UtilizationModel utilizationModelBw;
任务的前置文件
// Data cloudlet
/**
* The required files to be used by the cloudlet (if any). The time to
* transfer these files by the network is considered when placing the
* cloudlet inside a given VM
*/
private List<String> requiredFiles = null;
用来存储任务运行状态的内部类-对应resList
/**
* Internal class that keeps track of Cloudlet's movement in different
* CloudResources. Each time a cloudlet is run on a given VM, the cloudlet's
* execution history on each VM is registered at {@link Cloudlet#resList}
*/
public static class Resource {
/** Cloudlet's submission (arrival) time to a CloudResource. */
public double arrivalTime = 0.0;
/**
* The time this Cloudlet resides in a CloudResource (from arrival time
* until departure time, that may include waiting time).
*/
public double wallClockTime = 0.0;
/** The total time the Cloudlet spent being executed in a CloudResource. */
public double actualCPUTime = 0.0;
/** Cost per second a CloudResource charge to execute this Cloudlet. */
public double costPerSec = 0.0;
/** Cloudlet's length finished so far on the CloudResource. */
public long cloudletFinishedSoFar = 0;
/** CloudResource id. */
public int resourceId = -1;
/** CloudResource name. */
public String resourceName = null;
}
Cloudlet类的方法
更新云任务（重写此方法以自定义云任务行为）
/**
* Update the cloudlet (override this to customise the cloudlet behavior).
* @param info a custom object class you may need to implement the update logic
* @return true if the update causes a variation in cloudlet length
*/
public boolean updateCloudlet(Object info)
结束任务仿真
/**
* Finalizes all relevant information before <tt>exiting</tt> the CloudResource entity. This
* method sets the final data of:
* <ul>
* <li>wall clock time, i.e. the time of this Cloudlet resides in a CloudResource (from arrival
* time until departure time).
* <li>actual CPU time, i.e. the total execution time of this Cloudlet in a CloudResource.
* <li>Cloudlet's finished time so far
* </ul>
*
* @pre $none
* @post $none
*/
public void finalizeCloudlet()
给任务设置ID
/**
* Sets the id of the reservation made for this cloudlet.
*
* @param resId the reservation ID
* @return <tt>true</tt> if the ID has successfully been set or
* <tt>false</tt> otherwise.
*/
public boolean setReservationId(final int resId)
得到任务的ID
/**
* Gets the reservation ID that owns this Cloudlet.
*
* @return a reservation ID
* @pre $none
* @post $none
*/
public int getReservationId()
检查是否设置了任务ID
/**
* Checks whether this Cloudlet is submitted by reserving or not.
*
* @return <tt>true</tt> if this Cloudlet has reserved before,
* <tt>false</tt> otherwise
*/
public boolean hasReserved()
设置任务的计算量
/**
* Sets the length or size (in MI) of this Cloudlet to be executed in a
* CloudResource. It has to be the length for each individual Pe,
* <tt>not</tt> the total length (the sum of length to be executed by each
* Pe).
*
* @param cloudletLength the length or size (in MI) of this Cloudlet to be
* executed in a CloudResource
* @return <tt>true</tt> if it is successful, <tt>false</tt> otherwise
* @pre cloudletLength > 0
* @post $none
* @see #getCloudletTotalLength() }
*/
public boolean setCloudletLength(final long cloudletLength)
设置网络服务类型
/**
* Sets the network service level (ToS) for sending this cloudlet over a
* network.
*
* @param netServiceLevel determines the type of service (ToS) this cloudlet
* receives in the network (applicable to selected PacketScheduler class
* only)
* @return <code>true</code> if successful.
* @pre netServiceLevel >= 0
* @post $none
* <p>
* //TODO The name of the setter is inconsistent with the attribute name,
* what might be misinterpreted by other developers.
*/
public boolean setNetServiceLevel(final int netServiceLevel)
获取网络服务类型
/**
* Gets the network service level (ToS) for sending this cloudlet over a
* network.
*
* @return the network service level
* @pre $none
* @post $none
* //TODO The name of the getter is inconsistent with the attribute name,
* what might be misinterpreted by other developers.
*/
public int getNetServiceLevel()
任务在执行前的等待时间
/**
* Gets the time the cloudlet had to wait before start executing on a
* resource.
*
* @return the waiting time
* @pre $none
* @post $none
*/
public double getWaitingTime()
设置任务的种类/优先级
/**
* Sets the classType or priority of this Cloudlet for scheduling on a
* resource.
*
* @param classType classType of this Cloudlet
* @return <tt>true</tt> if it is successful, <tt>false</tt> otherwise
* @pre classType > 0
* @post $none
*/
public boolean setClassType(final int classType)
获取任务的种类/优先级
/**
* Gets the classtype or priority of this Cloudlet for scheduling on a
* resource.
*
* @return classtype of this cloudlet
* @pre $none
* @post $none
*/
public int getClassType()
设置任务需求的内核数量
/**
* Sets the number of PEs required to run this Cloudlet. <br>
* NOTE: The Cloudlet length is computed only for 1 Pe for simplicity. <br>
* For example, consider a Cloudlet that has a length of 500 MI and requires
* 2 PEs. This means each Pe will execute 500 MI of this Cloudlet.
*
* @param numberOfPes number of Pe
* @return <tt>true</tt> if it is successful, <tt>false</tt> otherwise
* @pre numPE > 0
* @post $none
*/
public boolean setNumberOfPes(final int numberOfPes)
获取任务需求的内核数量
/**
* Gets the number of PEs required to run this Cloudlet.
*
* @return number of PEs
* @pre $none
* @post $none
*/
public int getNumberOfPes()
获取任务的执行状态
/**
* Gets the transaction history of this Cloudlet. The layout of this history
* is in a readable table column with <tt>time</tt> and <tt>description</tt>
* as headers.
*
* @return a String containing the history of this Cloudlet object.
* @pre $none
* @post $result != null
*/
public String getCloudletHistory()
任务当前的执行量(当需要任务迁移时使用)
/**
* Gets the length of this Cloudlet that has been executed so far from the
* latest CloudResource. This method is useful when trying to move this
* Cloudlet into different CloudResources or to cancel it.
*
* @return the length of a partially executed Cloudlet or the full Cloudlet
* length if it is completed
* @pre $none
* @post $result >= 0.0
*/
public long getCloudletFinishedSoFar()
设置当前任务执行的执行量(当需要任务迁移时使用)
/**
* Sets the length of this Cloudlet that has been executed so far. This
* method is used by ResCloudlet class when an application is decided to
* cancel or to move this Cloudlet into different CloudResources.
*
* @param length length of this Cloudlet
* @pre length >= 0.0
* @post $none
* @see VmAllocationPolicy
* @see Cloudlet
*/
public void setCloudletFinishedSoFar(final long length)
更新当前完成的任务数量
/**
* Updates the length of cloudlet that has already been completed.
*
* @param miLength cloudlet length in Instructions (I)
* @pre miLength >= 0.0
* @post $none
*/
public void updateCloudletFinishedSoFar(long miLength)
任务是否执行完成
/**
* Checks whether this Cloudlet has finished execution or not.
*
* @return <tt>true</tt> if this Cloudlet has finished execution,
* <tt>false</tt> otherwise
* @pre $none
* @post $none
*/
public boolean isFinished()
设置用户发起者的ID
/**
* Sets the user or owner ID of this Cloudlet. It is <tt>VERY</tt> important
* to set the user ID, otherwise this Cloudlet will not be executed in a
* CloudResource.
*
* @param id the user ID
* @pre id >= 0
* @post $none
*/
public void setUserId(final int id)
最近执行任务的设备ID
/**
* Gets the latest resource ID that processes this Cloudlet.
*
* @return the resource ID or <tt>-1</tt> if none
* @pre $none
* @post $result >= -1
*/
public int getResourceId()
获得执行完成时间
public double getExecFinishTime() {
return execFinishTime;
}
@Deprecated
public double getFinishTime() { return getExecFinishTime(); }
获得任务的输入文件大小
/**
* Gets the input file size of this Cloudlet <tt>BEFORE</tt> submitting to a
* CloudResource.
*
* @return the input file size of this Cloudlet
* @pre $none
* @post $result >= 1
*/
public long getCloudletFileSize()
获得任务的输出文件大小
/**
* Gets the output size of this Cloudlet <tt>AFTER</tt> submitting and
* executing to a CloudResource.
*
* @return the Cloudlet output file size
* @pre $none
* @post $result >= 1
*/
public long getCloudletOutputSize()
设置任务在哪里执行(之后设置会发起任务迁移)
/**
* Sets the resource parameters for which the Cloudlet is going to be
* executed. From the second time this method is called, every call make the
* cloudlet to be migrated to the indicated resource.<br>
* <p>
* NOTE: This method <tt>should</tt> be called only by a resource entity,
* not the user or owner of this Cloudlet.
*
* @param resourceID the CloudResource ID
* @param cost the cost running this CloudResource per second
* @pre resourceID >= 0
* @pre cost > 0.0
* @post $none
*/
public void setResourceParameter
设置任务发起时间
/**
* Sets the submission (arrival) time of this Cloudlet into a CloudResource.
*
* @param clockTime the submission time
* @pre clockTime >= 0.0
* @post $none
*/
public void setSubmissionTime(final double clockTime)
获取任务发起时间
/**
* Gets the submission (arrival) time of this Cloudlet from the latest
* CloudResource.
*
* @return the submission time or <tt>0.0</tt> if none
* @pre $none
* @post $result >= 0.0
*/
public double getSubmissionTime()
@Deprecated
public double getCloudletArrivalTime() { return getSubmissionTime(); }
@Deprecated
public double getArrivalTime() { return getSubmissionTime(); }
获取任务开始执行的时间
/**
* Sets the execution start time of this Cloudlet inside a CloudResource.
* <br/>
* <b>NOTE:</b> With new functionalities, such as being able to cancel / to
* pause / to resume this Cloudlet, the execution start time only holds the
* latest one. Meaning, all previous execution start time are ignored.
*
* @param clockTime the latest execution start time
* @pre clockTime >= 0.0
* @post $none
*/
public void setExecStartTime(final double clockTime)
设置执行的参数
/**
* Sets the Cloudlet's execution parameters. These parameters are set by the
* CloudResource before departure or sending back to the original Cloudlet's
* owner.
*
* @param wallTime the time of this Cloudlet resides in a CloudResource
* (from arrival time until departure time).
* @param actualTime the total execution time of this Cloudlet in a
* CloudResource.
* @pre wallTime >= 0.0
* @pre actualTime >= 0.0
* @post $none
* @see Resource#wallClockTime
* @see Resource#actualCPUTime
*/
public void setExecParam(final double wallTime, final double actualTime)
获取任务当前状态(枚举值)
public CloudletStatus getStatus() { return status; }
设置任务状态
/**
* Sets the execution status of the Cloudlet.
*
* @param status the Cloudlet status
* @return <tt>true</tt> if the new status has been set, <tt>false</tt> otherwise
* @pre status >= 0
* @post $none
*/
public boolean setStatus(final CloudletStatus status)
获得任务执行相关用户和设备ID
public int getUserId() { return userId; }
public int getCloudletId() { return cloudletId; }
public int getContainerId() { return containerId; }
public void setContainerId(int containerId) { this.containerId = containerId; }
获得状态字符串
/**
* Gets the string representation of the current Cloudlet status code.
*
* @return the Cloudlet status code as a string or <tt>null</tt> if the
* status code is unknown
* @pre $none
* @post $none
*/
public String getCloudletStatusString()
获得单核任务的计算量
/**
* Gets the length of this Cloudlet.
*
* @return the length of this Cloudlet
* @pre $none
* @post $result >= 0.0
*/
public long getCloudletLength()
计算多核情况下的总计算量
/**
* Gets the total length (across all PEs) of this Cloudlet. It considers the
* {@link #cloudletLength} of the cloudlet to be executed in each Pe and the
* {@link #numberOfPes}.<br/>
* <p>
* For example, setting the cloudletLenght as 10000 MI and
* {@link #numberOfPes} to 4, each Pe will execute 10000 MI. Thus, the
* entire cloudlet has a total length of 40000 MI.
*
* @return the total length of this Cloudlet
* @pre $none
* @post $result >= 0.0
* @see #setCloudletLength(long)
*/
public long getCloudletTotalLength()
获得执行时间
public double getExecStartTime() { return execStartTime; }
获得任务的执行成本
/**
* Gets the cost/sec of running the Cloudlet in the latest CloudResource.
*
* @return the cost associated with running this Cloudlet or <tt>0.0</tt> if
* none
* @pre $none
* @post $result >= 0.0
*/
public double getCostPerSec()
获得在最近执行设备的驻留时间(从到达时间到离开时间)
/**
* Gets the time of this Cloudlet resides in the latest CloudResource (from
* arrival time until departure time).
*
* @return the time of this Cloudlet resides in a CloudResource
* @pre $none
* @post $result >= 0.0
*/
public double getWallClockTime()
获得所有执行过该任务的设备
/**
* Gets all the CloudResource names that executed this Cloudlet.
*
* @return an array of CloudResource names or <tt>null</tt> if it has none
* @pre $none
* @post $none
*/
public String[] getAllResourceName()
获得所有执行过该任务的设备ID
/**
* Gets all the CloudResource IDs that executed this Cloudlet.
*
* @return an array of CloudResource IDs or <tt>null</tt> if it has none
* @pre $none
* @post $none
*/
public int[] getAllResourceId()
获取任务在给定ID设备的执行时间
/**
* Gets the total execution time of this Cloudlet in a given CloudResource
* ID.
*
* @param resId a CloudResource entity ID
* @return the total execution time of this Cloudlet in a CloudResource or
* <tt>0.0</tt> if not found
* @pre resId >= 0
* @post $result >= 0.0
*/
public double getActualCPUTime(final int resId)
获取任务在给定ID设备的执行成本
/**
* Gets the cost running this Cloudlet in a given CloudResource ID.
*
* @param resId a CloudResource entity ID
* @return the cost associated with running this Cloudlet or <tt>0.0</tt> if
* not found
* @pre resId >= 0
* @post $result >= 0.0
*/
public double getCostPerSec(final int resId)
获取任务在给定ID设备执行了多少
/**
* Gets the length of this Cloudlet that has been executed so far in a given
* CloudResource ID. This method is useful when trying to move this Cloudlet
* into different CloudResources or to cancel it.
*
* @param resId a CloudResource entity ID
* @return the length of a partially executed Cloudlet or the full Cloudlet
* length if it is completed or <tt>0.0</tt> if not found
* @pre resId >= 0
* @post $result >= 0.0
*/
public long getCloudletFinishedSoFar(final int resId)
获得任务的剩余执行量
/**
* Gets the remaining cloudlet length that has to be execute yet,
* considering the {@link #getCloudletTotalLength()}.
*
* @return cloudlet length
* @pre $none
* @post $result >= 0
*/
public long getRemainingCloudletLength()
获得任务在指定设备的到达时间
/**
* Gets the submission (arrival) time of this Cloudlet in the given
* CloudResource ID.
*
* @param resId a CloudResource entity ID
* @return the submission time or <tt>0.0</tt> if not found
* @pre resId >= 0
* @post $result >= 0.0
*/
public double getSubmissionTime(final int resId)
根据ID获得设备名称
/**
* Gets the CloudResource name based on its ID.
*
* @param resId a CloudResource entity ID
* @return the CloudResource name or <tt>null</tt> if not found
* @pre resId >= 0
* @post $none
*/
public String getResourceName(final int resId)
根据ID获得设备信息
/**
* Gets the resource by id.
*
* @param resourceId the resource id
* @return the resource by id
*/
public Resource getResourceById(final int resourceId)
获得任务执行时间
/**
* Returns the execution time of the Cloudlet.
*
* @return time in which the Cloudlet was running
* @pre $none
* @post $none
*/
public double getActualCPUTime()
设置将要运行该任务的设备信息(ID,运行该任务的能耗,传输能耗)
/**
* Sets the resource parameters for which this Cloudlet is going to be
* executed. <br>
* NOTE: This method <tt>should</tt> be called only by a resource entity,
* not the user or owner of this Cloudlet.
*
* @param resourceID the CloudResource ID
* @param costPerCPU the cost per second of running this Cloudlet
* @param costPerBw the cost per byte of data transfer to the Datacenter
* @pre resourceID >= 0
* @pre cost > 0.0
* @post $none
*/
public void setResourceParameter(final int resourceID, final double costPerCPU, final double costPerBw)
获得执行该任务的总消耗(传入能耗+运行能耗+输出能耗)
/**
* Gets the total cost of processing or executing this Cloudlet
* <tt>Processing Cost = input data transfer + processing cost + output
* transfer cost</tt> .
*
* @return the total cost of processing Cloudlet
* @pre $none
* @post $result >= 0.0
*/
public double getProcessingCost()
增加依赖文件
/**
* Adds the required filename to the list.
*
* @param fileName the required filename
* @return <tt>true</tt> if succesful, <tt>false</tt> otherwise
*/
public boolean addRequiredFile(final String fileName)
删除依赖文件
/**
* Deletes the given filename from the list.
*
* @param filename the given filename to be deleted
* @return <tt>true</tt> if succesful, <tt>false</tt> otherwise
*/
public boolean deleteRequiredFile(final String filename)
检查任务是否有文件依赖
/**
* Checks whether this cloudlet requires any files or not.
*
* @return <tt>true</tt> if required, <tt>false</tt> otherwise
*/
public boolean requiresFiles()
获取和设置用于/虚拟机ID
public int getGuestId() { return guestId; }
@Deprecated
public int getVmId() {return getGuestId(); }
public void setGuestId(int guestId) { this.guestId = guestId; }
@Deprecated
public void setVmId(int vmId) { setGuestId(vmId); }
设置/获取CPU/内存/带宽消耗
/**
* Gets the utilization model of cpu.
*
* @return the utilization model cpu
*/
public UtilizationModel getUtilizationModelCpu()
/**
* Sets the utilization model of cpu.
*
* @param utilizationModelCpu the new utilization model of cpu
*/
public void setUtilizationModelCpu(final UtilizationModel utilizationModelCpu)
/**
* Gets the utilization model of ram.
*
* @return the utilization model of ram
*/
public UtilizationModel getUtilizationModelRam()
/**
* Sets the utilization model of ram.
*
* @param utilizationModelRam the new utilization model of ram
*/
public void setUtilizationModelRam(final UtilizationModel utilizationModelRam)
/**
* Gets the utilization model of bw.
*
* @return the utilization model of bw
*/
public UtilizationModel getUtilizationModelBw()
/**
* Sets the utilization model of bw.
*
* @param utilizationModelBw the new utilization model of bw
*/
public void setUtilizationModelBw(final UtilizationModel utilizationModelBw)
更新/获取任务ID
/**
* Get am Unique Identifier (UID) of the cloudlet.
*
* @return The UID
*/
public String getUid()
/** update uid after change of cloudletId or userId */
private void updateUid()
获取CPU/内存/带宽的使用量
/**
* Gets the utilization percentage of cpu.
*
* @param time the time
* @return the utilization of cpu
*/
public double getUtilizationOfCpu(final double time)
/**
* Gets the utilization percentage of memory.
*
* @param time the time
* @return the utilization of memory
*/
public double getUtilizationOfRam(final double time)
/**
* Gets the utilization percentage of bw.
*
* @param time the time
* @return the utilization of bw
*/
public double getUtilizationOfBw(final double time)
获取设置依赖文件
public List<String> getRequiredFiles() { return requiredFiles; }
protected void setRequiredFiles(List<String> requiredFiles)
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