[core] Fix checkstyle for ConstantOccupancyWorkload (#899)

core/src/main/java/com/yahoo/ycsb/workloads/ConstantOccupancyWorkload.java

 /**
- * Copyright (c) 2010 Yahoo! Inc. All rights reserved.                                                                                                                             
- *                                                                                                                                                                                 
- * Licensed under the Apache License, Version 2.0 (the "License"); you                                                                                                             
- * may not use this file except in compliance with the License. You                                                                                                                
- * may obtain a copy of the License at                                                                                                                                             
- *                                                                                                                                                                                 
- * http://www.apache.org/licenses/LICENSE-2.0                                                                                                                                      
- *                                                                                                                                                                                 
- * Unless required by applicable law or agreed to in writing, software                                                                                                             
- * distributed under the License is distributed on an "AS IS" BASIS,                                                                                                               
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or                                                                                                                 
- * implied. See the License for the specific language governing                                                                                                                    
- * permissions and limitations under the License. See accompanying                                                                                                                 
+ * Copyright (c) 2010 Yahoo! Inc. All rights reserved.
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License"); you
+ * may not use this file except in compliance with the License. You
+ * may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * permissions and limitations under the License. See accompanying
  * LICENSE file.
  */
 package com.yahoo.ycsb.workloads;
 
-import java.util.Properties;
-
-import com.yahoo.ycsb.WorkloadException;
 import com.yahoo.ycsb.Client;
+import com.yahoo.ycsb.WorkloadException;
 import com.yahoo.ycsb.generator.NumberGenerator;
 
+import java.util.Properties;
+
 /**
  * A disk-fragmenting workload.
  * <p>
@@ -30,61 +30,59 @@ import com.yahoo.ycsb.generator.NumberGenerator;
  * <UL>
  * <LI><b>disksize</b>: how many bytes of storage can the disk store? (default 100,000,000)
  * <LI><b>occupancy</b>: what fraction of the available storage should be used? (default 0.9)
- * <LI><b>requestdistribution</b>: what distribution should be used to select the records to operate on - uniform, zipfian or latest (default: histogram)
- * </ul> 
- *
- *
+ * <LI><b>requestdistribution</b>: what distribution should be used to select the records to operate on - uniform,
+ * zipfian or latest (default: histogram)
+ * </ul>
+ * <p>
+ * <p>
  * <p> See also:
  * Russell Sears, Catharine van Ingen.
- * <a href='https://database.cs.wisc.edu/cidr/cidr2007/papers/cidr07p34.pdf'>Fragmentation in Large Object Repositories</a>,
+ * <a href='https://database.cs.wisc.edu/cidr/cidr2007/papers/cidr07p34.pdf'>Fragmentation in Large Object
+ * Repositories</a>,
  * CIDR 2006. [<a href='https://database.cs.wisc.edu/cidr/cidr2007/slides/p34-sears.ppt'>Presentation</a>]
  * </p>
- *
- *
- * @author sears
- *
  */
 public class ConstantOccupancyWorkload extends CoreWorkload {
-	private long disksize;
-	private long storageages;
-	double occupancy;
-	
-	private long object_count;
-	
-	public static final String STORAGE_AGE_PROPERTY = "storageages";
-	public static final long   STORAGE_AGE_PROPERTY_DEFAULT = 10;
-	
-	public static final String DISK_SIZE_PROPERTY = "disksize";
-	public static final long   DISK_SIZE_PROPERTY_DEFAULT = 100 * 1000 * 1000;
-	
-	public static final String OCCUPANCY_PROPERTY = "occupancy";
-	public static final double OCCUPANCY_PROPERTY_DEFAULT = 0.9;
-	
-	@Override
-	public void init(Properties p) throws WorkloadException
-	{
-		disksize    = Long.parseLong(    p.getProperty(DISK_SIZE_PROPERTY, String.valueOf(DISK_SIZE_PROPERTY_DEFAULT)));
-		storageages = Long.parseLong(    p.getProperty(STORAGE_AGE_PROPERTY, String.valueOf(STORAGE_AGE_PROPERTY_DEFAULT)));
-		occupancy   = Double.parseDouble(p.getProperty(OCCUPANCY_PROPERTY, String.valueOf(OCCUPANCY_PROPERTY_DEFAULT)));
-		
-		if(p.getProperty(Client.RECORD_COUNT_PROPERTY) != null ||
-		   p.getProperty(Client.INSERT_COUNT_PROPERTY) != null ||
-		   p.getProperty(Client.OPERATION_COUNT_PROPERTY) != null) {
-			System.err.println("Warning: record, insert or operation count was set prior to initting ConstantOccupancyWorkload.  Overriding old values.");
-		}
-		NumberGenerator g = CoreWorkload.getFieldLengthGenerator(p);
-		double fieldsize = g.mean();
-		int fieldcount = Integer.parseInt(p.getProperty(FIELD_COUNT_PROPERTY, FIELD_COUNT_PROPERTY_DEFAULT));
+  private long disksize;
+  private long storageages;
+  private double occupancy;
+
+  private long objectCount;
+
+  public static final String STORAGE_AGE_PROPERTY = "storageages";
+  public static final long STORAGE_AGE_PROPERTY_DEFAULT = 10;
+
+  public static final String DISK_SIZE_PROPERTY = "disksize";
+  public static final long DISK_SIZE_PROPERTY_DEFAULT = 100 * 1000 * 1000;
+
+  public static final String OCCUPANCY_PROPERTY = "occupancy";
+  public static final double OCCUPANCY_PROPERTY_DEFAULT = 0.9;
+
+  @Override
+  public void init(Properties p) throws WorkloadException {
+    disksize = Long.parseLong(p.getProperty(DISK_SIZE_PROPERTY, String.valueOf(DISK_SIZE_PROPERTY_DEFAULT)));
+    storageages = Long.parseLong(p.getProperty(STORAGE_AGE_PROPERTY, String.valueOf(STORAGE_AGE_PROPERTY_DEFAULT)));
+    occupancy = Double.parseDouble(p.getProperty(OCCUPANCY_PROPERTY, String.valueOf(OCCUPANCY_PROPERTY_DEFAULT)));
+
+    if (p.getProperty(Client.RECORD_COUNT_PROPERTY) != null ||
+        p.getProperty(Client.INSERT_COUNT_PROPERTY) != null ||
+        p.getProperty(Client.OPERATION_COUNT_PROPERTY) != null) {
+      System.err.println("Warning: record, insert or operation count was set prior to initting " +
+          "ConstantOccupancyWorkload.  Overriding old values.");
+    }
+    NumberGenerator g = CoreWorkload.getFieldLengthGenerator(p);
+    double fieldsize = g.mean();
+    int fieldcount = Integer.parseInt(p.getProperty(FIELD_COUNT_PROPERTY, FIELD_COUNT_PROPERTY_DEFAULT));
 
-		object_count = (long)(occupancy * (disksize / (fieldsize * fieldcount)));
-                if(object_count == 0) {
-                    throw new IllegalStateException("Object count was zero.  Perhaps disksize is too low?");
-                }
-		p.setProperty(Client.RECORD_COUNT_PROPERTY, String.valueOf(object_count));
-		p.setProperty(Client.OPERATION_COUNT_PROPERTY, String.valueOf(storageages*object_count));
-		p.setProperty(Client.INSERT_COUNT_PROPERTY, String.valueOf(object_count));
+    objectCount = (long) (occupancy * (disksize / (fieldsize * fieldcount)));
+    if (objectCount == 0) {
+      throw new IllegalStateException("Object count was zero.  Perhaps disksize is too low?");
+    }
+    p.setProperty(Client.RECORD_COUNT_PROPERTY, String.valueOf(objectCount));
+    p.setProperty(Client.OPERATION_COUNT_PROPERTY, String.valueOf(storageages * objectCount));
+    p.setProperty(Client.INSERT_COUNT_PROPERTY, String.valueOf(objectCount));
 
-		super.init(p);
-	}
+    super.init(p);
+  }
 
 }

core/src/main/java/com/yahoo/ycsb/workloads/package-info.java

+/*
+ * Copyright (c) 2015 - 2016 YCSB contributors. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you
+ * may not use this file except in compliance with the License. You
+ * may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * permissions and limitations under the License. See accompanying
+ * LICENSE file.
+ */
+
+/**
+ * The YCSB workloads.
+ */
+package com.yahoo.ycsb.workloads;
+