com.aspc.remote.util.misc

Class VersionENV

java.lang.Object

com.aspc.remote.util.misc.VersionENV

Direct Known Subclasses:

Version

public class VersionENV
extends java.lang.Object

Version ( ENV)
THREAD MODE: MULTI-THREADED

Since:

2 July 2010

Author:

Nigel Leck

Field Summary

Fields

Modifier and Type	Field and Description
protected static boolean	ALLOW_DEPRECATED_VERSION
protected java.util.concurrent.atomic.AtomicInteger	databaseVersion
int	defaultVersion
protected java.util.concurrent.ConcurrentHashMap<java.lang.Integer,java.lang.String>	deprecatedVersionMap
protected java.lang.String	environmentName
protected java.util.concurrent.atomic.AtomicInteger	environmentVersion
int	maxVersion
int	minVersion

Constructor Summary

Constructors

Constructor and Description
VersionENV(java.lang.String environmentName, int defaultVersion, int minVersion, int maxVersion) create a new version

Method Summary

Modifier and Type	Method and Description
int	calculateVersion() Calculate the current version number to use.
void	deprecateVersion(int version, java.lang.String message) Do not allow this version to be used in production
int	setDataBaseVersion(int version) set the version
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

defaultVersion

public final int defaultVersion

minVersion

public final int minVersion

maxVersion

public final int maxVersion

databaseVersion

protected final java.util.concurrent.atomic.AtomicInteger databaseVersion

environmentVersion

protected final java.util.concurrent.atomic.AtomicInteger environmentVersion

environmentName

protected final java.lang.String environmentName

deprecatedVersionMap

protected final java.util.concurrent.ConcurrentHashMap<java.lang.Integer,java.lang.String> deprecatedVersionMap

ALLOW_DEPRECATED_VERSION

protected static final boolean ALLOW_DEPRECATED_VERSION

Constructor Detail

VersionENV

public VersionENV(@Nonnull
                  java.lang.String environmentName,
                  @Nonnegative
                  int defaultVersion,
                  @Nonnegative
                  int minVersion,
                  @Nonnegative
                  int maxVersion)

create a new version

Parameters:

environmentName - the environment variable name.

defaultVersion - the default version to use

minVersion - minimum version

maxVersion - maximum version

Method Detail

toString

@CheckReturnValue
 @Nonnull
public java.lang.String toString()

Overrides:

toString in class java.lang.Object

deprecateVersion

public void deprecateVersion(@Nonnegative
                             int version,
                             @Nonnull
                             java.lang.String message)

Do not allow this version to be used in production

Parameters:

version - The version number

message - The reason message.

setDataBaseVersion

@Nonnegative
public int setDataBaseVersion(@Nonnegative
                                           int version)

set the version

Parameters:

version - the version, ZERO means default

Returns:

the previous version

calculateVersion

@CheckReturnValue
 @Nonnegative
public int calculateVersion()

Calculate the current version number to use. Thread or default version CAPPED by the Program->Environment->Database version number.

Returns:

the value