Added class descriptions for the interfaces for easy reference.

git-svn-id: https://svn.apache.org/repos/asf/maven/repository-manager/trunk@349898 13f79535-47bb-0310-9956-ffa450edef68

maven-repository-reports-standard/src/main/java/org/apache/maven/repository/reporting/ArtifactReportProcessor.java

 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.model.Model;
 
+/**
+ * This interface will be called by the main system for each artifact as it is discovered. This is how each of the 
+ *      different types of reports are implemented.
+ */
 public interface ArtifactReportProcessor
 {
     String ROLE = ArtifactReportProcessor.class.getName();

maven-repository-reports-standard/src/main/java/org/apache/maven/repository/reporting/ArtifactReporter.java

 
 import org.apache.maven.artifact.Artifact;
 
+/**
+ * This interface is used by the single artifact processor.
+ *
+ * The initial implementation of this will just need to be a mock implementation in src/test/java, used to track the 
+ *      failures and successes for checking assertions. Later, implementations will be made to present reports on the 
+ *      web interface, send them via mail, and so on.
+ */
 public interface ArtifactReporter
 {
     String ROLE = ArtifactReporter.class.getName();

maven-repository-reports-standard/src/main/java/org/apache/maven/repository/reporting/MetadataReportProcessor.java

 
 import org.apache.maven.artifact.repository.metadata.RepositoryMetadata;
 
+/**
+ * This interface is called by the main system for each piece of metadata as it is discovered.
+ */
 public interface MetadataReportProcessor
 {
     String ROLE = MetadataReportProcessor.class.getName();

maven-repository-reports-standard/src/main/java/org/apache/maven/repository/reporting/RepositoryQueryLayer.java

 
 import org.apache.maven.artifact.Artifact;
 
+/**
+ * The transitive and metadata validation reports will need to query the repository for artifacts.
+ */
 public interface RepositoryQueryLayer
 {
     String ROLE = RepositoryQueryLayer.class.getName();