本文整理汇总了Java中org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction.SAFEMODE_GET属性的典型用法代码示例。如果您正苦于以下问题：Java SafeModeAction.SAFEMODE_GET属性的具体用法？Java SafeModeAction.SAFEMODE_GET怎么用？Java SafeModeAction.SAFEMODE_GET使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction的用法示例。
在下文中一共展示了SafeModeAction.SAFEMODE_GET属性的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: setSafeMode
boolean setSafeMode(SafeModeAction action) throws IOException {
if (action != SafeModeAction.SAFEMODE_GET) {
checkSuperuserPrivilege();
switch(action) {
case SAFEMODE_LEAVE: // leave safe mode
leaveSafeMode();
break;
case SAFEMODE_ENTER: // enter safe mode
enterSafeMode(false);
break;
default:
LOG.error("Unexpected safe mode action");
}
}
return isInSafeMode();
}
示例2: setSafeMode
@Override // ClientProtocol
public boolean setSafeMode(SafeModeAction action, boolean isChecked)
throws IOException {
checkNNStartup();
OperationCategory opCategory = OperationCategory.UNCHECKED;
if (isChecked) {
if (action == SafeModeAction.SAFEMODE_GET) {
opCategory = OperationCategory.READ;
} else {
opCategory = OperationCategory.WRITE;
}
}
namesystem.checkOperation(opCategory);
return namesystem.setSafeMode(action);
}
示例3: convert
public static SafeModeAction convert(
ClientNamenodeProtocolProtos.SafeModeActionProto a) {
switch (a) {
case SAFEMODE_LEAVE:
return SafeModeAction.SAFEMODE_LEAVE;
case SAFEMODE_ENTER:
return SafeModeAction.SAFEMODE_ENTER;
case SAFEMODE_GET:
return SafeModeAction.SAFEMODE_GET;
default:
throw new IllegalArgumentException("Unexpected SafeModeAction :" + a);
}
}
示例4: convert
public static SafeModeAction convert(
SafeModeActionProto a) {
switch (a) {
case SAFEMODE_LEAVE:
return SafeModeAction.SAFEMODE_LEAVE;
case SAFEMODE_ENTER:
return SafeModeAction.SAFEMODE_ENTER;
case SAFEMODE_GET:
return SafeModeAction.SAFEMODE_GET;
case SAFEMODE_FORCE_EXIT:
return SafeModeAction.SAFEMODE_FORCE_EXIT;
default:
throw new IllegalArgumentException("Unexpected SafeModeAction :" + a);
}
}
示例5: setSafeMode
boolean setSafeMode(SafeModeAction action) throws IOException {
if (action != SafeModeAction.SAFEMODE_GET) {
checkSuperuserPrivilege();
switch(action) {
case SAFEMODE_LEAVE: // leave safe mode
if (blockManager.getBytesInFuture() > 0) {
LOG.error("Refusing to leave safe mode without a force flag. " +
"Exiting safe mode will cause a deletion of " + blockManager
.getBytesInFuture() + " byte(s). Please use " +
"-forceExit flag to exit safe mode forcefully and data loss is " +
"acceptable.");
} else {
leaveSafeMode();
}
break;
case SAFEMODE_ENTER: // enter safe mode
enterSafeMode(false);
break;
case SAFEMODE_FORCE_EXIT:
if (blockManager.getBytesInFuture() > 0) {
LOG.warn("Leaving safe mode due to forceExit. This will cause a data "
+ "loss of " + blockManager.getBytesInFuture() + " byte(s).");
blockManager.clearBytesInFuture();
} else {
LOG.warn("forceExit used when normal exist would suffice. Treating " +
"force exit as normal safe mode exit.");
}
leaveSafeMode();
break;
default:
LOG.error("Unexpected safe mode action");
}
}
return isInSafeMode();
}