org.codehaus.mojo.versions.ordering

Class AbstractVersionComparator

java.lang.Object

org.codehaus.mojo.versions.ordering.AbstractVersionComparator

All Implemented Interfaces:

Comparator<org.apache.maven.artifact.versioning.ArtifactVersion>, VersionComparator

Direct Known Subclasses:

MavenVersionComparator, MercuryVersionComparator, NumericVersionComparator

public abstract class AbstractVersionComparator
extends Object
implements VersionComparator

Base class for version comparators.

Since:

1.0-beta-1

Constructor Summary

Constructors

Constructor and Description
AbstractVersionComparator()

Method Summary

Modifier and Type	Method and Description
abstract int	compare(org.apache.maven.artifact.versioning.ArtifactVersion o1, org.apache.maven.artifact.versioning.ArtifactVersion o2)
boolean	equals(Object obj) Returns true if this object is the same type of comparator as the parameter.
int	getSegmentCount(org.apache.maven.artifact.versioning.ArtifactVersion v) Returns the number of segments specified or specifiable in the supplied artifact version.
int	hashCode() Returns a hash code value for the comparator class.
protected abstract int	innerGetSegmentCount(org.apache.maven.artifact.versioning.ArtifactVersion v)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.codehaus.mojo.versions.ordering.VersionComparator

restrictionFor

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

AbstractVersionComparator

public AbstractVersionComparator()

Method Detail

compare

public abstract int compare(org.apache.maven.artifact.versioning.ArtifactVersion o1,
                            org.apache.maven.artifact.versioning.ArtifactVersion o2)

Specified by:

compare in interface Comparator<org.apache.maven.artifact.versioning.ArtifactVersion>

getSegmentCount

public final int getSegmentCount(org.apache.maven.artifact.versioning.ArtifactVersion v)

Returns the number of segments specified or specifiable in the supplied artifact version.

Specified by:

getSegmentCount in interface VersionComparator

Parameters:

v - The artifact version to count the segments of.

Returns:

The number of segments.

innerGetSegmentCount

protected abstract int innerGetSegmentCount(org.apache.maven.artifact.versioning.ArtifactVersion v)

hashCode

public int hashCode()

Returns a hash code value for the comparator class.

Overrides:

hashCode in class Object

Returns:

the hash code.

equals

public boolean equals(Object obj)

Returns true if this object is the same type of comparator as the parameter.

Specified by:

equals in interface Comparator<org.apache.maven.artifact.versioning.ArtifactVersion>

Overrides:

equals in class Object

Parameters:

obj - the reference object with which to compare.

Returns:

true if this object is the same as the obj argument; false otherwise.

See Also:

hashCode(), Hashtable