Class Constants

Some useful constants.

Inheritance
System.Object
Constants
Namespace: Lucene.Net.Util
Assembly: Lucene.Net.dll
Syntax
public static class Constants : object

Fields

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FREE_BSD

True iff running on FreeBSD

Declaration
public static readonly bool FREE_BSD
Field Value
Type Description
System.Boolean
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LINUX

True iff running on Linux.

Declaration
public static readonly bool LINUX
Field Value
Type Description
System.Boolean
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LUCENE_MAIN_VERSION

this is the internal Lucene version, recorded into each segment. NOTE: we track per-segment version as a with the "X.Y" format (no minor version), e.g. "4.0", "3.1", "3.0".

Alpha and Beta versions will have numbers like "X.Y.0.Z", anything else is not allowed. This is done to prevent people from using indexes created with ALPHA/BETA versions with the released version.

Declaration
public static readonly string LUCENE_MAIN_VERSION
Field Value
Type Description
System.String
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LUCENE_VERSION

This is the Lucene version for display purposes.

Declaration
public static readonly string LUCENE_VERSION
Field Value
Type Description
System.String
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MAC_OS_X

True iff running on Mac OS X

Declaration
public static readonly bool MAC_OS_X
Field Value
Type Description
System.Boolean
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OS_ARCH

Declaration
public static readonly string OS_ARCH
Field Value
Type Description
System.String
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OS_NAME

The value of , excluding the version number.

Declaration
public static readonly string OS_NAME
Field Value
Type Description
System.String
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OS_VERSION

Declaration
public static readonly string OS_VERSION
Field Value
Type Description
System.String
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RUNTIME_IS_64BIT

NOTE: This was JRE_IS_64BIT in Lucene

Declaration
public static readonly bool RUNTIME_IS_64BIT
Field Value
Type Description
System.Boolean
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RUNTIME_VENDOR

NOTE: This was JAVA_VENDOR in Lucene

Declaration
public static readonly string RUNTIME_VENDOR
Field Value
Type Description
System.String
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RUNTIME_VERSION

The value of the version parsed from .

NOTE: This was JAVA_VERSION in Lucene

Declaration
public static readonly string RUNTIME_VERSION
Field Value
Type Description
System.String
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SUN_OS

True iff running on SunOS.

Declaration
public static readonly bool SUN_OS
Field Value
Type Description
System.Boolean
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WINDOWS

True iff running on Windows.

Declaration
public static readonly bool WINDOWS
Field Value
Type Description
System.Boolean

Methods

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MainVersionWithoutAlphaBeta()

Returns a LUCENE_MAIN_VERSION without any ALPHA/BETA qualifier Used by test only!

Declaration
public static string MainVersionWithoutAlphaBeta()
Returns
Type Description
System.String