DefaultVersionManager

java.lang.Object
- org.pf4j.DefaultVersionManager

All Implemented Interfaces:

VersionManager
```
public class DefaultVersionManager
extends java.lang.Object
implements VersionManager
```
Default implementation for VersionManager. This implementation uses jSemVer (a Java implementation of the SemVer Specification).

Constructor Summary

Constructors
Constructor Description

DefaultVersionManager()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`checkVersionConstraint(java.lang.String version, java.lang.String constraint)`	Checks if a version satisfies the specified SemVer `Expression` string.
`int`	`compareVersions(java.lang.String v1, java.lang.String v2)`	Compare two versions.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DefaultVersionManager
```
public DefaultVersionManager()
```
- Method Detail
  - checkVersionConstraint
```
public boolean checkVersionConstraint(java.lang.String version,
                                      java.lang.String constraint)
```
    Checks if a version satisfies the specified SemVer Expression string. If the constraint is empty or null then the method returns true. Constraint examples: >2.0.0 (simple), ">=1.4.0 & <1.6.0" (range). See https://github.com/zafarkhaja/jsemver#semver-expressions-api-ranges for more info.
    
    Specified by:
    
    checkVersionConstraint in interface VersionManager
    
    Parameters:
    
    version -
    
    constraint -
    
    Returns:
  - compareVersions
```
public int compareVersions(java.lang.String v1,
                           java.lang.String v2)
```
    Description copied from interface: VersionManager
    
    Compare two versions. It's similar with Comparator.compare(Object, Object).
    
    Specified by:
    
    compareVersions in interface VersionManager