本文整理汇总了Java中org.apache.lucene.util.Constants.JRE_IS_64BIT属性的典型用法代码示例。如果您正苦于以下问题：Java Constants.JRE_IS_64BIT属性的具体用法？Java Constants.JRE_IS_64BIT怎么用？Java Constants.JRE_IS_64BIT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.lucene.util.Constants的用法示例。
在下文中一共展示了Constants.JRE_IS_64BIT属性的3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: doTestStoreDirectory
private void doTestStoreDirectory(Index index, Path tempDir, String typeSettingValue, IndexModule.Type type) throws IOException {
Settings.Builder settingsBuilder = Settings.builder()
.put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT);
if (typeSettingValue != null) {
settingsBuilder.put(IndexModule.INDEX_STORE_TYPE_SETTING.getKey(), typeSettingValue);
}
Settings settings = settingsBuilder.build();
IndexSettings indexSettings = IndexSettingsModule.newIndexSettings("foo", settings);
FsDirectoryService service = new FsDirectoryService(indexSettings, null, new ShardPath(false, tempDir, tempDir, new ShardId(index, 0)));
try (Directory directory = service.newFSDirectory(tempDir, NoLockFactory.INSTANCE)) {
switch (type) {
case NIOFS:
assertTrue(type + " " + directory.toString(), directory instanceof NIOFSDirectory);
break;
case MMAPFS:
assertTrue(type + " " + directory.toString(), directory instanceof MMapDirectory);
break;
case SIMPLEFS:
assertTrue(type + " " + directory.toString(), directory instanceof SimpleFSDirectory);
break;
case FS:
if (Constants.JRE_IS_64BIT && MMapDirectory.UNMAP_SUPPORTED) {
assertTrue(directory.toString(), directory instanceof MMapDirectory);
} else if (Constants.WINDOWS) {
assertTrue(directory.toString(), directory instanceof SimpleFSDirectory);
} else {
assertTrue(directory.toString(), directory instanceof NIOFSDirectory);
}
break;
default:
fail();
}
}
}
示例2: open
/** Just like {@link #open(File)}, but allows you to
* also specify a custom {@link LockFactory}. */
public static FSDirectory open(File path, LockFactory lockFactory) throws IOException {
if (Constants.JRE_IS_64BIT && MMapDirectory.UNMAP_SUPPORTED) {
return new MMapDirectory(path, lockFactory);
} else if (Constants.WINDOWS) {
return new SimpleFSDirectory(path, lockFactory);
} else {
return new NIOFSDirectory(path, lockFactory);
}
}
示例3: convertMapFailedIOException
private IOException convertMapFailedIOException(IOException ioe, String resourceDescription, int bufSize) {
final String originalMessage;
final Throwable originalCause;
if (ioe.getCause() instanceof OutOfMemoryError) {
// nested OOM confuses users, because its "incorrect", just print a plain message:
originalMessage = "Map failed";
originalCause = null;
} else {
originalMessage = ioe.getMessage();
originalCause = ioe.getCause();
}
final String moreInfo;
if (!Constants.JRE_IS_64BIT) {
moreInfo = "MMapDirectory should only be used on 64bit platforms, because the address space on 32bit operating systems is too small. ";
} else if (Constants.WINDOWS) {
moreInfo = "Windows is unfortunately very limited on virtual address space. If your index size is several hundred Gigabytes, consider changing to Linux. ";
} else if (Constants.LINUX) {
moreInfo = "Please review 'ulimit -v', 'ulimit -m' (both should return 'unlimited'), and 'sysctl vm.max_map_count'. ";
} else {
moreInfo = "Please review 'ulimit -v', 'ulimit -m' (both should return 'unlimited'). ";
}
final IOException newIoe = new IOException(String.format(Locale.ENGLISH,
"%s: %s [this may be caused by lack of enough unfragmented virtual address space "+
"or too restrictive virtual memory limits enforced by the operating system, "+
"preventing us to map a chunk of %d bytes. %sMore information: "+
"http://blog.thetaphi.de/2012/07/use-lucenes-mmapdirectory-on-64bit.html]",
originalMessage, resourceDescription, bufSize, moreInfo), originalCause);
newIoe.setStackTrace(ioe.getStackTrace());
return newIoe;
}