poolmanager/vehicles: move CostException into dCache-core/poolmanager

Motivation:

The CostException is only used by poolmanager when selecting pools.
Therefore, it does not need to be in the dcache-vehicles module.

Moreover, placing CostException in dcache-vehicles makes it harder to
support changes to this exception, as pool-manager private functionality
would need to be placed in the dcache-vehicles module.

Modification:

Simple refactoring of CostException into the 'dcache' module, under the
org.dcache.poolmanager package.

Result:

No user or admin observable changes.

Code is easier to work with.

Target: master
Requires-notes: no
Requires-book: no
Patch: https://rb.dcache.org/r/12821/
Acked-by: Lea Morschel

modules/dcache/src/main/java/diskCacheV111/poolManager/PoolMonitorV5.java

@@ -29,7 +29,6 @@
 import diskCacheV111.poolManager.PoolSelectionUnit.SelectionPool;
 import diskCacheV111.pools.PoolCostInfo;
 import diskCacheV111.util.CacheException;
-import diskCacheV111.util.CostException;
 import diskCacheV111.util.FileLocality;
 import diskCacheV111.util.FileNotInCacheException;
 import diskCacheV111.util.FileNotOnlineCacheException;
@@ -39,6 +38,7 @@
 
 import org.dcache.namespace.FileAttribute;
 import org.dcache.namespace.FileType;
+import org.dcache.poolmanager.CostException;
 import org.dcache.poolmanager.Partition;
 import org.dcache.poolmanager.PartitionManager;
 import org.dcache.poolmanager.PoolInfo;
@@ -49,9 +49,7 @@
 
 import static com.google.common.base.Strings.nullToEmpty;
 import static java.util.stream.Collectors.toList;
-import static org.dcache.namespace.FileAttribute.LOCATIONS;
-import static org.dcache.namespace.FileAttribute.SIZE;
-import static org.dcache.namespace.FileAttribute.STORAGEINFO;
+import static org.dcache.namespace.FileAttribute.*;
 
 public class PoolMonitorV5
     extends SerializablePoolMonitor

modules/dcache/src/main/java/diskCacheV111/poolManager/RequestContainerV5.java

@@ -35,7 +35,6 @@
 
 import diskCacheV111.util.CacheException;
 import diskCacheV111.util.CheckStagePermission;
-import diskCacheV111.util.CostException;
 import diskCacheV111.util.DestinationCostException;
 import diskCacheV111.util.FileNotInCacheException;
 import diskCacheV111.util.PermissionDeniedCacheException;
@@ -72,6 +71,7 @@
 import dmg.util.command.Command;
 
 import org.dcache.cells.CellStub;
+import org.dcache.poolmanager.CostException;
 import org.dcache.poolmanager.Partition;
 import org.dcache.poolmanager.PartitionManager;
 import org.dcache.poolmanager.PoolInfo;
@@ -83,10 +83,11 @@
 import org.dcache.vehicles.FileAttributes;
 
 import static com.google.common.base.Preconditions.checkArgument;
+import static diskCacheV111.poolManager.RequestContainerV5.StateType.TRANSITORY;
+import static diskCacheV111.poolManager.RequestContainerV5.StateType.WAITING;
 import static dmg.util.CommandException.checkCommand;
-import static java.util.stream.Collectors.toList;
-import static diskCacheV111.poolManager.RequestContainerV5.StateType.*;
 import static java.util.Objects.requireNonNull;
+import static java.util.stream.Collectors.toList;
 import static org.dcache.util.MathUtils.addWithInfinity;
 
 public class RequestContainerV5

modules/dcache/src/main/java/org/dcache/poolmanager/ClassicPartition.java

@@ -12,7 +12,6 @@
 
 import diskCacheV111.poolManager.CostModule;
 import diskCacheV111.util.CacheException;
-import diskCacheV111.util.CostException;
 import diskCacheV111.util.PnfsId;
 
 import org.dcache.pool.assumption.PerformanceCostAssumption;

modules/dcache-vehicles/src/main/java/diskCacheV111/util/CostException.java → modules/dcache/src/main/java/org/dcache/poolmanager/CostException.java

@@ -1,4 +1,6 @@
-package diskCacheV111.util;
+package org.dcache.poolmanager;
+
+import diskCacheV111.util.MissingResourceCacheException;
 
 import org.dcache.poolmanager.SelectedPool;
 

modules/dcache/src/main/java/org/dcache/poolmanager/LruPartition.java

@@ -12,7 +12,6 @@
 import diskCacheV111.poolManager.CostModule;
 import diskCacheV111.pools.PoolCostInfo.PoolSpaceInfo;
 import diskCacheV111.util.CacheException;
-import diskCacheV111.util.CostException;
 
 import org.dcache.pool.assumption.AvailableSpaceAssumption;
 import org.dcache.vehicles.FileAttributes;

modules/dcache/src/main/java/org/dcache/poolmanager/RandomPartition.java

@@ -8,7 +8,6 @@
 import diskCacheV111.poolManager.CostModule;
 import diskCacheV111.pools.PoolCostInfo.PoolSpaceInfo;
 import diskCacheV111.util.CacheException;
-import diskCacheV111.util.CostException;
 
 import org.dcache.pool.assumption.AvailableSpaceAssumption;
 import org.dcache.vehicles.FileAttributes;

modules/dcache/src/main/java/org/dcache/poolmanager/WassPartition.java

@@ -8,7 +8,6 @@
 
 import diskCacheV111.poolManager.CostModule;
 import diskCacheV111.util.CacheException;
-import diskCacheV111.util.CostException;
 import diskCacheV111.util.DestinationCostException;
 import diskCacheV111.util.PermissionDeniedCacheException;
 import diskCacheV111.util.SourceCostException;