Package org.apache.lucene.util
Class Constants
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- org.apache.lucene.util.Constants
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public final class Constants extends Object
Some useful constants.
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Field Summary
Fields Modifier and Type Field Description static boolean
FREE_BSD
True iff running on FreeBSDstatic String
JAVA_VENDOR
static String
JAVA_VERSION
The value of System.getProperty("java.version").static boolean
JRE_IS_64BIT
True iff running on a 64bit JVMstatic boolean
JRE_IS_MINIMUM_JAVA11
static boolean
JRE_IS_MINIMUM_JAVA8
static boolean
JRE_IS_MINIMUM_JAVA9
static String
JVM_NAME
static String
JVM_SPEC_VERSION
static String
JVM_VENDOR
JVM vendor info.static String
JVM_VERSION
static boolean
LINUX
True iff running on Linux.static String
LUCENE_MAIN_VERSION
Deprecated.UseVersion.LATEST
static String
LUCENE_VERSION
Deprecated.UseVersion.LATEST
static boolean
MAC_OS_X
True iff running on Mac OS Xstatic String
OS_ARCH
static String
OS_NAME
The value of System.getProperty("os.name").static String
OS_VERSION
static boolean
SUN_OS
True iff running on SunOS.static boolean
WINDOWS
True iff running on Windows.
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Field Detail
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JVM_VENDOR
public static final String JVM_VENDOR
JVM vendor info.
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JVM_VERSION
public static final String JVM_VERSION
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JVM_NAME
public static final String JVM_NAME
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JVM_SPEC_VERSION
public static final String JVM_SPEC_VERSION
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JAVA_VERSION
public static final String JAVA_VERSION
The value of System.getProperty("java.version").
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OS_NAME
public static final String OS_NAME
The value of System.getProperty("os.name").
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LINUX
public static final boolean LINUX
True iff running on Linux.
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WINDOWS
public static final boolean WINDOWS
True iff running on Windows.
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SUN_OS
public static final boolean SUN_OS
True iff running on SunOS.
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MAC_OS_X
public static final boolean MAC_OS_X
True iff running on Mac OS X
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FREE_BSD
public static final boolean FREE_BSD
True iff running on FreeBSD
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OS_ARCH
public static final String OS_ARCH
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OS_VERSION
public static final String OS_VERSION
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JAVA_VENDOR
public static final String JAVA_VENDOR
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JRE_IS_64BIT
public static final boolean JRE_IS_64BIT
True iff running on a 64bit JVM
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JRE_IS_MINIMUM_JAVA8
public static final boolean JRE_IS_MINIMUM_JAVA8
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JRE_IS_MINIMUM_JAVA9
public static final boolean JRE_IS_MINIMUM_JAVA9
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JRE_IS_MINIMUM_JAVA11
public static final boolean JRE_IS_MINIMUM_JAVA11
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LUCENE_MAIN_VERSION
@Deprecated public static final String LUCENE_MAIN_VERSION
Deprecated.UseVersion.LATEST
This is the internal Lucene version, including bugfix versions, recorded into each segment.
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LUCENE_VERSION
@Deprecated public static final String LUCENE_VERSION
Deprecated.UseVersion.LATEST
Don't use this constant because the name is not self-describing!
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