Refactor only change, see below for details

src/main/java/com/datastax/cdm/cql/statement/TargetUpsertRunDetailsStatement.java

@@ -25,8 +25,8 @@
 import org.slf4j.LoggerFactory;
 
 import com.datastax.cdm.feature.TrackRun;
-import com.datastax.cdm.feature.TrackRun.RUN_TYPE;
-import com.datastax.cdm.job.Partition;
+import com.datastax.cdm.job.IJobSessionFactory.JobType;
+import com.datastax.cdm.job.PartitionRange;
 import com.datastax.cdm.job.RunNotStartedException;
 import com.datastax.oss.driver.api.core.CqlSession;
 import com.datastax.oss.driver.api.core.cql.BoundStatement;
@@ -87,7 +87,7 @@ public TargetUpsertRunDetailsStatement(CqlSession session, String keyspaceTable)
                 + " WHERE table_name = ? AND run_id = ? AND status = ? ALLOW FILTERING");
     }
 
-    public Collection<Partition> getPendingPartitions(long prevRunId) throws RunNotStartedException {
+    public Collection<PartitionRange> getPendingPartitions(long prevRunId) throws RunNotStartedException {
         if (prevRunId == 0) {
             return Collections.emptyList();
         }
@@ -104,7 +104,7 @@ public Collection<Partition> getPendingPartitions(long prevRunId) throws RunNotS
             }
         }
 
-        final Collection<Partition> pendingParts = new ArrayList<Partition>();
+        final Collection<PartitionRange> pendingParts = new ArrayList<PartitionRange>();
         pendingParts.addAll(getPartitionsByStatus(prevRunId, TrackRun.RUN_STATUS.NOT_STARTED.toString()));
         pendingParts.addAll(getPartitionsByStatus(prevRunId, TrackRun.RUN_STATUS.STARTED.toString()));
         pendingParts.addAll(getPartitionsByStatus(prevRunId, TrackRun.RUN_STATUS.FAIL.toString()));
@@ -113,35 +113,35 @@ public Collection<Partition> getPendingPartitions(long prevRunId) throws RunNotS
         return pendingParts;
     }
 
-    protected Collection<Partition> getPartitionsByStatus(long prevRunId, String status) {
+    protected Collection<PartitionRange> getPartitionsByStatus(long prevRunId, String status) {
         ResultSet rs = session.execute(boundSelectStatement.setString("table_name", tableName)
                 .setLong("run_id", prevRunId).setString("status", status));
 
-        final Collection<Partition> pendingParts = new ArrayList<Partition>();
+        final Collection<PartitionRange> pendingParts = new ArrayList<PartitionRange>();
         rs.forEach(row -> {
-            Partition part = new Partition(BigInteger.valueOf(row.getLong("token_min")),
+            PartitionRange part = new PartitionRange(BigInteger.valueOf(row.getLong("token_min")),
                     BigInteger.valueOf(row.getLong("token_max")));
             pendingParts.add(part);
         });
         return pendingParts;
     }
 
-    public void initCdmRun(long runId, long prevRunId, Collection<Partition> parts, RUN_TYPE runType) {
+    public void initCdmRun(long runId, long prevRunId, Collection<PartitionRange> parts, JobType jobType) {
         ResultSet rsInfo = session
                 .execute(boundSelectInfoStatement.setString("table_name", tableName).setLong("run_id", runId));
         if (null != rsInfo.one()) {
             throw new RuntimeException("Run id " + runId + " already exists for table " + tableName);
         }
         session.execute(boundInitInfoStatement.setString("table_name", tableName).setLong("run_id", runId)
-                .setString("run_type", runType.toString()).setLong("prev_run_id", prevRunId)
+                .setString("run_type", jobType.toString()).setLong("prev_run_id", prevRunId)
                 .setString("status", TrackRun.RUN_STATUS.NOT_STARTED.toString()));
         parts.forEach(part -> initCdmRun(runId, part));
         session.execute(boundInitInfoStatement.setString("table_name", tableName).setLong("run_id", runId)
-                .setString("run_type", runType.toString()).setLong("prev_run_id", prevRunId)
+                .setString("run_type", jobType.toString()).setLong("prev_run_id", prevRunId)
                 .setString("status", TrackRun.RUN_STATUS.STARTED.toString()));
     }
 
-    private void initCdmRun(long runId, Partition partition) {
+    private void initCdmRun(long runId, PartitionRange partition) {
         session.execute(boundInitStatement.setString("table_name", tableName).setLong("run_id", runId)
                 .setLong("token_min", partition.getMin().longValue())
                 .setLong("token_max", partition.getMax().longValue())

src/main/java/com/datastax/cdm/feature/TrackRun.java

@@ -22,15 +22,12 @@
 import org.slf4j.LoggerFactory;
 
 import com.datastax.cdm.cql.statement.TargetUpsertRunDetailsStatement;
-import com.datastax.cdm.job.Partition;
+import com.datastax.cdm.job.IJobSessionFactory.JobType;
+import com.datastax.cdm.job.PartitionRange;
 import com.datastax.cdm.job.RunNotStartedException;
 import com.datastax.oss.driver.api.core.CqlSession;
 
 public class TrackRun {
-    public enum RUN_TYPE {
-        MIGRATE, DIFF_DATA
-    }
-
     public enum RUN_STATUS {
         NOT_STARTED, STARTED, PASS, FAIL, DIFF, DIFF_CORRECTED, ENDED
     }
@@ -42,15 +39,15 @@ public TrackRun(CqlSession session, String keyspaceTable) {
         this.runStatement = new TargetUpsertRunDetailsStatement(session, keyspaceTable);
     }
 
-    public Collection<Partition> getPendingPartitions(long prevRunId) throws RunNotStartedException {
-        Collection<Partition> pendingParts = runStatement.getPendingPartitions(prevRunId);
+    public Collection<PartitionRange> getPendingPartitions(long prevRunId) throws RunNotStartedException {
+        Collection<PartitionRange> pendingParts = runStatement.getPendingPartitions(prevRunId);
         logger.info("###################### {} partitions pending from previous run id {} ######################",
                 pendingParts.size(), prevRunId);
         return pendingParts;
     }
 
-    public void initCdmRun(long runId, long prevRunId, Collection<Partition> parts, RUN_TYPE runType) {
-        runStatement.initCdmRun(runId, prevRunId, parts, runType);
+    public void initCdmRun(long runId, long prevRunId, Collection<PartitionRange> parts, JobType jobType) {
+        runStatement.initCdmRun(runId, prevRunId, parts, jobType);
         logger.info("###################### Run Id for this job is: {} ######################", runId);
     }
 

src/main/java/com/datastax/cdm/job/AbstractJobSession.java

@@ -15,7 +15,6 @@
  */
 package com.datastax.cdm.job;
 
-import java.math.BigInteger;
 import java.util.Collection;
 
 import org.slf4j.Logger;
@@ -28,6 +27,7 @@
 import com.datastax.cdm.feature.Featureset;
 import com.datastax.cdm.feature.Guardrail;
 import com.datastax.cdm.feature.TrackRun;
+import com.datastax.cdm.job.IJobSessionFactory.JobType;
 import com.datastax.cdm.properties.KnownProperties;
 import com.datastax.cdm.properties.PropertyHelper;
 import com.datastax.cdm.schema.CqlTable;
@@ -110,20 +110,20 @@ protected AbstractJobSession(CqlSession originSession, CqlSession targetSession,
         }
     }
 
-    public void processSlice(Partition slice, TrackRun trackRunFeature, long runId) {
+    public void processPartitionRange(PartitionRange range, TrackRun trackRunFeature, long runId) {
         this.trackRunFeature = trackRunFeature;
         this.runId = runId;
-        this.processSlice(slice.getMin(), slice.getMax());
+        this.processPartitionRange(range);
     }
 
-    protected abstract void processSlice(BigInteger min, BigInteger max);
+    protected abstract void processPartitionRange(PartitionRange range);
 
-    public synchronized void initCdmRun(long runId, long prevRunId, Collection<Partition> parts,
-            TrackRun trackRunFeature, TrackRun.RUN_TYPE runType) {
+    public synchronized void initCdmRun(long runId, long prevRunId, Collection<PartitionRange> parts,
+            TrackRun trackRunFeature, JobType jobType) {
         this.runId = runId;
         this.trackRunFeature = trackRunFeature;
         if (null != trackRunFeature)
-            trackRunFeature.initCdmRun(runId, prevRunId, parts, runType);
+            trackRunFeature.initCdmRun(runId, prevRunId, parts, jobType);
         DataUtility.deleteGeneratedSCB(runId);
     }
 

src/main/java/com/datastax/cdm/job/CopyJobSession.java

@@ -39,7 +39,7 @@
 import com.datastax.oss.driver.api.core.cql.ResultSet;
 import com.datastax.oss.driver.api.core.cql.Row;
 
-public class CopyJobSession extends AbstractJobSession<Partition> {
+public class CopyJobSession extends AbstractJobSession<PartitionRange> {
 
     private final PKFactory pkFactory;
     private final boolean isCounterTable;
@@ -64,7 +64,8 @@ protected CopyJobSession(CqlSession originSession, CqlSession targetSession, Pro
         logger.info("CQL -- target upsert: {}", this.targetSession.getTargetUpsertStatement().getCQL());
     }
 
-    protected void processSlice(BigInteger min, BigInteger max) {
+    protected void processPartitionRange(PartitionRange range) {
+        BigInteger min = range.getMin(), max = range.getMax();
         ThreadContext.put(THREAD_CONTEXT_LABEL, getThreadLabel(min, max));
         logger.info("ThreadID: {} Processing min: {} max: {}", Thread.currentThread().getId(), min, max);
         if (null != trackRunFeature)

src/main/java/com/datastax/cdm/job/CopyJobSessionFactory.java

@@ -20,11 +20,11 @@
 import com.datastax.cdm.properties.PropertyHelper;
 import com.datastax.oss.driver.api.core.CqlSession;
 
-public class CopyJobSessionFactory implements IJobSessionFactory<Partition>, Serializable {
+public class CopyJobSessionFactory implements IJobSessionFactory<PartitionRange>, Serializable {
     private static final long serialVersionUID = 5255029377029801421L;
     private static CopyJobSession jobSession = null;
 
-    public AbstractJobSession<Partition> getInstance(CqlSession originSession, CqlSession targetSession,
+    public AbstractJobSession<PartitionRange> getInstance(CqlSession originSession, CqlSession targetSession,
             PropertyHelper propHelper) {
         if (jobSession == null) {
             synchronized (CopyJobSession.class) {
@@ -35,4 +35,8 @@ public AbstractJobSession<Partition> getInstance(CqlSession originSession, CqlSe
         }
         return jobSession;
     }
+
+    public JobType getJobType() {
+        return JobType.MIGRATE;
+    }
 }

src/main/java/com/datastax/cdm/job/DiffJobSession.java

@@ -117,7 +117,8 @@ public DiffJobSession(CqlSession originSession, CqlSession targetSession, Proper
         logger.info("CQL -- target upsert: {}", this.targetSession.getTargetUpsertStatement().getCQL());
     }
 
-    protected void processSlice(BigInteger min, BigInteger max) {
+    protected void processPartitionRange(PartitionRange range) {
+        BigInteger min = range.getMin(), max = range.getMax();
         ThreadContext.put(THREAD_CONTEXT_LABEL, getThreadLabel(min, max));
         logger.info("ThreadID: {} Processing min: {} max: {}", Thread.currentThread().getId(), min, max);
         if (null != trackRunFeature)

src/main/java/com/datastax/cdm/job/DiffJobSessionFactory.java

@@ -20,11 +20,11 @@
 import com.datastax.cdm.properties.PropertyHelper;
 import com.datastax.oss.driver.api.core.CqlSession;
 
-public class DiffJobSessionFactory implements IJobSessionFactory<Partition>, Serializable {
+public class DiffJobSessionFactory implements IJobSessionFactory<PartitionRange>, Serializable {
     private static final long serialVersionUID = -3543616512495020278L;
     private static DiffJobSession jobSession = null;
 
-    public AbstractJobSession<Partition> getInstance(CqlSession originSession, CqlSession targetSession,
+    public AbstractJobSession<PartitionRange> getInstance(CqlSession originSession, CqlSession targetSession,
             PropertyHelper propHelper) {
         if (jobSession == null) {
             synchronized (DiffJobSession.class) {
@@ -35,4 +35,8 @@ public AbstractJobSession<Partition> getInstance(CqlSession originSession, CqlSe
         }
         return jobSession;
     }
+
+    public JobType getJobType() {
+        return JobType.VALIDATE;
+    }
 }

src/main/java/com/datastax/cdm/job/GuardrailCheckJobSession.java

@@ -27,7 +27,7 @@
 import com.datastax.oss.driver.api.core.cql.ResultSet;
 import com.datastax.oss.driver.api.core.cql.Row;
 
-public class GuardrailCheckJobSession extends AbstractJobSession<Partition> {
+public class GuardrailCheckJobSession extends AbstractJobSession<PartitionRange> {
 
     public Logger logger = LoggerFactory.getLogger(this.getClass().getName());
 
@@ -43,7 +43,8 @@ protected GuardrailCheckJobSession(CqlSession originSession, CqlSession targetSe
         logger.info("CQL -- origin select: {}", this.originSession.getOriginSelectByPartitionRangeStatement().getCQL());
     }
 
-    protected void processSlice(BigInteger min, BigInteger max) {
+    protected void processPartitionRange(PartitionRange range) {
+        BigInteger min = range.getMin(), max = range.getMax();
         ThreadContext.put(THREAD_CONTEXT_LABEL, getThreadLabel(min, max));
         try {
             logger.info("ThreadID: {} Processing min: {} max: {}", Thread.currentThread().getId(), min, max);

src/main/java/com/datastax/cdm/job/GuardrailCheckJobSessionFactory.java

@@ -20,11 +20,11 @@
 import com.datastax.cdm.properties.PropertyHelper;
 import com.datastax.oss.driver.api.core.CqlSession;
 
-public class GuardrailCheckJobSessionFactory implements IJobSessionFactory<Partition>, Serializable {
+public class GuardrailCheckJobSessionFactory implements IJobSessionFactory<PartitionRange>, Serializable {
     private static final long serialVersionUID = -4673384128807660843L;
     private static GuardrailCheckJobSession jobSession = null;
 
-    public AbstractJobSession<Partition> getInstance(CqlSession originSession, CqlSession targetSession,
+    public AbstractJobSession<PartitionRange> getInstance(CqlSession originSession, CqlSession targetSession,
             PropertyHelper propHelper) {
         if (jobSession == null) {
             synchronized (GuardrailCheckJobSession.class) {
@@ -35,4 +35,8 @@ public AbstractJobSession<Partition> getInstance(CqlSession originSession, CqlSe
         }
         return jobSession;
     }
+
+    public JobType getJobType() {
+        return JobType.MIGRATE;
+    }
 }

src/main/java/com/datastax/cdm/job/IJobSessionFactory.java

@@ -19,5 +19,11 @@
 import com.datastax.oss.driver.api.core.CqlSession;
 
 public interface IJobSessionFactory<T> {
+    public enum JobType {
+        MIGRATE, VALIDATE, GUARDRAIL
+    }
+
     AbstractJobSession<T> getInstance(CqlSession originSession, CqlSession targetSession, PropertyHelper propHelper);
+
+    public JobType getJobType();
 }

src/main/java/com/datastax/cdm/job/Partition.java → src/main/java/com/datastax/cdm/job/PartitionRange.java

@@ -18,13 +18,13 @@
 import java.io.Serializable;
 import java.math.BigInteger;
 
-public class Partition implements Serializable {
+public class PartitionRange implements Serializable {
     private static final long serialVersionUID = 1L;
 
     private final BigInteger min;
     private final BigInteger max;
 
-    public Partition(BigInteger min, BigInteger max) {
+    public PartitionRange(BigInteger min, BigInteger max) {
         this.min = min;
         this.max = max;
     }

src/main/java/com/datastax/cdm/job/SplitPartitions.java

@@ -27,25 +27,25 @@ public class SplitPartitions {
 
     public static Logger logger = LoggerFactory.getLogger(SplitPartitions.class.getName());
 
-    public static List<Partition> getRandomSubPartitions(int numSplits, BigInteger min, BigInteger max,
+    public static List<PartitionRange> getRandomSubPartitions(int numSplits, BigInteger min, BigInteger max,
             int coveragePercent) {
         logger.info("ThreadID: {} Splitting min: {} max: {}", Thread.currentThread().getId(), min, max);
-        List<Partition> partitions = getSubPartitions(numSplits, min, max, coveragePercent);
+        List<PartitionRange> partitions = getSubPartitions(numSplits, min, max, coveragePercent);
         Collections.shuffle(partitions);
         Collections.shuffle(partitions);
         Collections.shuffle(partitions);
         Collections.shuffle(partitions);
         return partitions;
     }
 
-    private static List<Partition> getSubPartitions(int numSplits, BigInteger min, BigInteger max,
+    private static List<PartitionRange> getSubPartitions(int numSplits, BigInteger min, BigInteger max,
             int coveragePercent) {
         if (coveragePercent < 1 || coveragePercent > 100) {
             coveragePercent = 100;
         }
         BigInteger curMax = new BigInteger(min.toString());
         BigInteger partitionSize = max.subtract(min).divide(BigInteger.valueOf(numSplits));
-        List<Partition> partitions = new ArrayList<Partition>();
+        List<PartitionRange> partitions = new ArrayList<PartitionRange>();
         if (partitionSize.compareTo(new BigInteger("0")) == 0) {
             partitionSize = new BigInteger("100000");
         }
@@ -65,7 +65,7 @@ private static List<Partition> getSubPartitions(int numSplits, BigInteger min, B
 
             BigInteger range = curMax.subtract(curMin);
             BigInteger curRange = range.multiply(BigInteger.valueOf(coveragePercent)).divide(BigInteger.valueOf(100));
-            partitions.add(new Partition(curMin, curMin.add(curRange)));
+            partitions.add(new PartitionRange(curMin, curMin.add(curRange)));
             if (exausted) {
                 break;
             }

src/main/scala/com/datastax/cdm/job/BasePartitionJob.scala

@@ -20,11 +20,11 @@ import scala.reflect.io.File
 import com.datastax.cdm.feature.TrackRun
 import com.datastax.cdm.properties.KnownProperties
 
-abstract class BasePartitionJob extends BaseJob[Partition] {
+abstract class BasePartitionJob extends BaseJob[PartitionRange] {
   var trackRunFeature: TrackRun = _
   var keyspaceTableValue: String = _
 
-  override def getParts(pieces: Int): util.Collection[Partition] = {
+  override def getParts(pieces: Int): util.Collection[PartitionRange] = {
     var keyspaceTable: Option[String] = Option(propertyHelper.getString(KnownProperties.TARGET_KEYSPACE_TABLE))
       .filter(_.nonEmpty)
       .orElse(Option(propertyHelper.getString(KnownProperties.ORIGIN_KEYSPACE_TABLE)))

src/main/scala/com/datastax/cdm/job/DiffData.scala

@@ -18,6 +18,7 @@ package com.datastax.cdm.job
 import com.datastax.cdm.feature.TrackRun
 import com.datastax.cdm.data.PKFactory.Side
 import com.datastax.cdm.properties.{KnownProperties, PropertyHelper}
+import com.datastax.cdm.job.IJobSessionFactory.JobType
 
 object DiffData extends BasePartitionJob {
   setup("Data Validation Job", new DiffJobSessionFactory())
@@ -28,7 +29,7 @@ object DiffData extends BasePartitionJob {
     if (!parts.isEmpty()) {
       originConnection.withSessionDo(originSession =>
         targetConnection.withSessionDo(targetSession =>
-          jobFactory.getInstance(originSession, targetSession, propertyHelper).initCdmRun(runId, prevRunId, parts, trackRunFeature, TrackRun.RUN_TYPE.DIFF_DATA)));
+          jobFactory.getInstance(originSession, targetSession, propertyHelper).initCdmRun(runId, prevRunId, parts, trackRunFeature, JobType.VALIDATE)));
       val bcConnectionFetcher = sContext.broadcast(connectionFetcher)
       val bcPropHelper = sContext.broadcast(propertyHelper)
       val bcJobFactory = sContext.broadcast(jobFactory)
@@ -44,7 +45,7 @@ object DiffData extends BasePartitionJob {
         originConnection.withSessionDo(originSession =>
           targetConnection.withSessionDo(targetSession =>
             bcJobFactory.value.getInstance(originSession, targetSession, bcPropHelper.value)
-              .processSlice(slice, trackRunFeature, bcRunId.value)))
+              .processPartitionRange(slice, trackRunFeature, bcRunId.value)))
       })
     }
   }

src/main/scala/com/datastax/cdm/job/GuardrailCheck.scala

@@ -37,7 +37,7 @@ object GuardrailCheck extends BasePartitionJob {
         }
         originConnection.withSessionDo(originSession =>
             bcJobFactory.value.getInstance(originSession, null, bcPropHelper.value)
-              .processSlice(slice, null, 0))
+              .processPartitionRange(slice, null, 0))
       })
     }
   }