Package org.apache.dubbo.common

Class Version

java.lang.Object

org.apache.dubbo.common.Version

public final class Version
extends Object

Version

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DEFAULT_DUBBO_PROTOCOL_VERSION
static final int	HIGHEST_PROTOCOL_VERSION
static final int	LEGACY_DUBBO_PROTOCOL_VERSION
static final int	LOWEST_VERSION_FOR_RESPONSE_ATTACHMENT	For protocol compatibility purpose.

Method Summary

Modifier and Type	Method	Description
static int	compare(String version1, String version2)	Compare versions
static int	getIntVersion(String version)
static String	getLastCommitId()
static String	getProtocolVersion()
static String	getVersion()
static String	getVersion(Class<?> cls, String defaultVersion)
static boolean	isRelease263OrHigher(String version)	Check the framework release version number to decide if it's 2.6.3 or higher
static boolean	isRelease270OrHigher(String version)	Check the framework release version number to decide if it's 2.7.0 or higher
static boolean	isSupportResponseAttachment(String version)	Dubbo 2.x protocol version numbers are limited to 2.0.2/2000200 ~ 2.0.99/2009900, other versions are consider as invalid or not from official release.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

DEFAULT_DUBBO_PROTOCOL_VERSION

public static final String DEFAULT_DUBBO_PROTOCOL_VERSION

See Also:

• Constant Field Values

LEGACY_DUBBO_PROTOCOL_VERSION

public static final int LEGACY_DUBBO_PROTOCOL_VERSION

See Also:

• Constant Field Values

LOWEST_VERSION_FOR_RESPONSE_ATTACHMENT

public static final int LOWEST_VERSION_FOR_RESPONSE_ATTACHMENT

For protocol compatibility purpose. Because isSupportResponseAttachment(java.lang.String) is checked for every call, int compare expect to has higher performance than string.

See Also:

• Constant Field Values

HIGHEST_PROTOCOL_VERSION

public static final int HIGHEST_PROTOCOL_VERSION

See Also:

• Constant Field Values

Method Details

getProtocolVersion

public static String getProtocolVersion()

getVersion

public static String getVersion()

getLastCommitId

public static String getLastCommitId()

compare

public static int compare(String version1,
 String version2)

Compare versions

Returns:

the value 0 if version1 == version2; a value less than 0 if version1 < version2; and a value greater than 0 if version1 > version2

isRelease270OrHigher

public static boolean isRelease270OrHigher(String version)

Check the framework release version number to decide if it's 2.7.0 or higher

isRelease263OrHigher

public static boolean isRelease263OrHigher(String version)

Check the framework release version number to decide if it's 2.6.3 or higher

Parameters:

version - , the sdk version

isSupportResponseAttachment

public static boolean isSupportResponseAttachment(String version)

Dubbo 2.x protocol version numbers are limited to 2.0.2/2000200 ~ 2.0.99/2009900, other versions are consider as invalid or not from official release.

Parameters:

version - , the protocol version.

Returns:

getIntVersion

public static int getIntVersion(String version)

getVersion

public static String getVersion(Class<?> cls,
 String defaultVersion)