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org.eclipse.core.runtime
Class PluginVersionIdentifier
java.lang.Objectorg.eclipse.core.runtime.PluginVersionIdentifier
- public final class PluginVersionIdentifier
- extends java.lang.Object
Version identifier for a plug-in. In its string representation, it consists of up to 4 tokens separated by a decimal point. The first 3 tokens are positive integer numbers, the last token is an uninterpreted string (no whitespace characters allowed). For example, the following are valid version identifiers (as strings):
0.0.01.0.1275643.7.2.build-127J1.9(interpreted as1.9.0)3(interpreted as3.0.0)
The version identifier can be decomposed into a major, minor, service level component and qualifier components. A difference in the major component is interpreted as an incompatible version change. A difference in the minor (and not the major) component is interpreted as a compatible version change. The service level component is interpreted as a cumulative and compatible service update of the minor version component. The qualifier is not interpreted, other than in version comparisons. The qualifiers are compared using lexicographical string comparison.
Version identifiers can be matched as perfectly equal, equivalent, compatible or greaterOrEqual.
Clients may instantiate; not intended to be subclassed by clients.
| Field Summary | |
private int |
major
|
private int |
minor
|
private java.lang.String |
qualifier
|
private static java.lang.String |
SEPARATOR
|
private int |
service
|
| Constructor Summary | |
PluginVersionIdentifier(int major,
int minor,
int service)
Creates a plug-in version identifier from its components. |
|
PluginVersionIdentifier(int major,
int minor,
int service,
java.lang.String qualifier)
Creates a plug-in version identifier from its components. |
|
PluginVersionIdentifier(java.lang.String versionId)
Creates a plug-in version identifier from the given string. |
|
| Method Summary | |
boolean |
equals(java.lang.Object object)
Compare version identifiers for equality. |
int |
getMajorComponent()
Returns the major (incompatible) component of this version identifier. |
int |
getMinorComponent()
Returns the minor (compatible) component of this version identifier. |
java.lang.String |
getQualifierComponent()
Returns the qualifier component of this version identifier. |
int |
getServiceComponent()
Returns the service level component of this version identifier. |
int |
hashCode()
Returns a hash code value for the object. |
boolean |
isCompatibleWith(PluginVersionIdentifier id)
Compares two version identifiers for compatibility. |
boolean |
isEquivalentTo(PluginVersionIdentifier id)
Compares two version identifiers for equivalency. |
boolean |
isGreaterOrEqualTo(PluginVersionIdentifier id)
Compares two version identifiers to see if this one is greater than or equal to the argument. |
boolean |
isGreaterThan(PluginVersionIdentifier id)
Compares two version identifiers for order using multi-decimal comparison. |
boolean |
isPerfect(PluginVersionIdentifier id)
Compares two version identifiers for perfect equality. |
private static java.lang.Object[] |
parseVersion(java.lang.String versionId)
|
java.lang.String |
toString()
Returns the string representation of this version identifier. |
static IStatus |
validateVersion(java.lang.String version)
Validates the given string as a plug-in version identifier. |
private static java.lang.String |
verifyQualifier(java.lang.String s)
|
| Methods inherited from class java.lang.Object |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Field Detail |
major
private int major
minor
private int minor
service
private int service
qualifier
private java.lang.String qualifier
SEPARATOR
private static final java.lang.String SEPARATOR
- See Also:
- Constant Field Values
| Constructor Detail |
PluginVersionIdentifier
public PluginVersionIdentifier(int major,
int minor,
int service)
- Creates a plug-in version identifier from its components.
PluginVersionIdentifier
public PluginVersionIdentifier(int major,
int minor,
int service,
java.lang.String qualifier)
- Creates a plug-in version identifier from its components.
PluginVersionIdentifier
public PluginVersionIdentifier(java.lang.String versionId)
- Creates a plug-in version identifier from the given string.
The string represenation consists of up to 4 tokens
separated by decimal point.
For example, the following are valid version identifiers
(as strings):
0.0.01.0.1275643.7.2.build-127J1.9(interpreted as1.9.0)3(interpreted as3.0.0)
| Method Detail |
validateVersion
public static IStatus validateVersion(java.lang.String version)
- Validates the given string as a plug-in version identifier.
- Since:
- 2.0
parseVersion
private static java.lang.Object[] parseVersion(java.lang.String versionId)
equals
public boolean equals(java.lang.Object object)
- Compare version identifiers for equality. Identifiers are
equal if all of their components are equal.
hashCode
public int hashCode()
- Returns a hash code value for the object.
getMajorComponent
public int getMajorComponent()
- Returns the major (incompatible) component of this
version identifier.
getMinorComponent
public int getMinorComponent()
- Returns the minor (compatible) component of this
version identifier.
getServiceComponent
public int getServiceComponent()
- Returns the service level component of this
version identifier.
getQualifierComponent
public java.lang.String getQualifierComponent()
- Returns the qualifier component of this
version identifier.
isGreaterOrEqualTo
public boolean isGreaterOrEqualTo(PluginVersionIdentifier id)
- Compares two version identifiers to see if this one is
greater than or equal to the argument.
A version identifier is considered to be greater than or equal if its major component is greater than the argument major component, or the major components are equal and its minor component is greater than the argument minor component, or the major and minor components are equal and its service component is greater than the argument service component, or the major, minor and service components are equal and the qualifier component is greated than the argument qualifier component (using lexicographic string comparison), or all components are equal.
- Since:
- 2.0
isCompatibleWith
public boolean isCompatibleWith(PluginVersionIdentifier id)
- Compares two version identifiers for compatibility.
A version identifier is considered to be compatible if its major component equals to the argument major component, and its minor component is greater than or equal to the argument minor component. If the minor components are equal, than the service level of the version identifier must be greater than or equal to the service level of the argument identifier. If the service levels are equal, the two version identifiers are considered to be equivalent if this qualifier is greated or equal to the qualifier of the argument (using lexicographic string comparison).
isEquivalentTo
public boolean isEquivalentTo(PluginVersionIdentifier id)
- Compares two version identifiers for equivalency.
Two version identifiers are considered to be equivalent if their major and minor component equal and are at least at the same service level as the argument. If the service levels are equal, the two version identifiers are considered to be equivalent if this qualifier is greated or equal to the qualifier of the argument (using lexicographic string comparison).
isPerfect
public boolean isPerfect(PluginVersionIdentifier id)
- Compares two version identifiers for perfect equality.
Two version identifiers are considered to be perfectly equal if their major, minor, service and qualifier components are equal
- Since:
- 2.0
isGreaterThan
public boolean isGreaterThan(PluginVersionIdentifier id)
- Compares two version identifiers for order using multi-decimal
comparison.
toString
public java.lang.String toString()
- Returns the string representation of this version identifier.
The result satisfies
vi.equals(new PluginVersionIdentifier(vi.toString())).
verifyQualifier
private static java.lang.String verifyQualifier(java.lang.String s)
|
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