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SemaphoreTokenTargetPreparer
public
class
SemaphoreTokenTargetPreparer
extends BaseTargetPreparer
这是一个准备程序，用于使用令牌在 Tradefed 主机中序列化测试执行。只有获取令牌的设备才能启动测试。其他测试将等到该资源发布。此方法不能仅用于在 tradefed 中有一个测试且使用共享资源的情况。请确保在主机上仅运行一个测试，且测试使用不同的 DUT。用户需要在命令文件中添加 --semaphore-token:no-disable。
摘要
公共构造函数
SemaphoreTokenTargetPreparer
public SemaphoreTokenTargetPreparer ()
公共方法
public void tearDown (TestInformation testInfo,
Throwable e)
| 参数 |
|---|
testInfo |
TestInformation |
e |
Throwable |
本页面上的内容和代码示例受内容许可部分所述许可的限制。Java 和 OpenJDK 是 Oracle 和/或其关联公司的注册商标。
最后更新时间 (UTC)：2025-07-27。
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-07-27。"],[],[],null,["# SemaphoreTokenTargetPreparer\n============================\n\n\n`\npublic\n\n\nclass\nSemaphoreTokenTargetPreparer\n`\n\n\n`\n\n\n`\n\n`\n\nextends `[BaseTargetPreparer](../../../../../../reference/tradefed/com/android/tradefed/targetprep/BaseTargetPreparer.html)`\n\n\n`\n\n`\n\n\n`\n\n|---|---|--------------------------------------------------------------|\n| java.lang.Object |||\n| ↳ | [com.android.tradefed.targetprep.BaseTargetPreparer](../../../../../../reference/tradefed/com/android/tradefed/targetprep/BaseTargetPreparer.html) ||\n| | ↳ | com.android.tradefed.targetprep.SemaphoreTokenTargetPreparer |\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nThis is a preparer used to use token to serialize test excution in tradefed host. only the device\nacquire token will be allow to start the test. Others will wait until it released This can't be\nonly used when you have one test in tradefed and use shared resources. Please make sure only a\nsingle test running on the host with different DUTs User need to add --semaphore-token:no-disable\nin the command file.\n\nSummary\n-------\n\n| ### Public constructors ||\n|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|\n| ` `[SemaphoreTokenTargetPreparer](../../../../../../reference/tradefed/com/android/tradefed/targetprep/SemaphoreTokenTargetPreparer.html#SemaphoreTokenTargetPreparer())`() ` |\n\n| ### Public methods ||\n|---------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| ` void` | ` `[setUp](../../../../../../reference/tradefed/com/android/tradefed/targetprep/SemaphoreTokenTargetPreparer.html#setUp(com.android.tradefed.invoker.TestInformation))`(`[TestInformation](../../../../../../reference/tradefed/com/android/tradefed/invoker/TestInformation.html)` testInfo) ` |\n| ` void` | ` `[tearDown](../../../../../../reference/tradefed/com/android/tradefed/targetprep/SemaphoreTokenTargetPreparer.html#tearDown(com.android.tradefed.invoker.TestInformation,%20java.lang.Throwable))`(`[TestInformation](../../../../../../reference/tradefed/com/android/tradefed/invoker/TestInformation.html)` testInfo, Throwable e) ` |\n\nPublic constructors\n-------------------\n\n### SemaphoreTokenTargetPreparer\n\n```\npublic SemaphoreTokenTargetPreparer ()\n```\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\nPublic methods\n--------------\n\n### setUp\n\n```\npublic void setUp (TestInformation testInfo)\n```\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n| Parameters ||\n|------------|--------------------------|\n| `testInfo` | `TestInformation` \u003cbr /\u003e |\n\n| Throws ||\n|----------------------------------------------------------------------------------------------------------------------------------|---|\n| [BuildError](../../../../../../reference/tradefed/com/android/tradefed/targetprep/BuildError.html) | |\n| [DeviceNotAvailableException](../../../../../../reference/tradefed/com/android/tradefed/device/DeviceNotAvailableException.html) | |\n| [TargetSetupError](../../../../../../reference/tradefed/com/android/tradefed/targetprep/TargetSetupError.html) | |\n\n### tearDown\n\n```\npublic void tearDown (TestInformation testInfo, \n Throwable e)\n```\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n| Parameters ||\n|------------|--------------------------|\n| `testInfo` | `TestInformation` \u003cbr /\u003e |\n| `e` | `Throwable` \u003cbr /\u003e |\n\n| Throws ||\n|----------------------------------------------------------------------------------------------------------------------------------|---|\n| [DeviceNotAvailableException](../../../../../../reference/tradefed/com/android/tradefed/device/DeviceNotAvailableException.html) | |"]]
