HBASE-22231 Removed unused and '*' imports

Author: HorizonNet

hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClientAsyncPrefetchScanner.java

@@ -27,7 +27,6 @@
 import java.util.concurrent.ConcurrentLinkedQueue;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.LinkedBlockingQueue;
-import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.concurrent.locks.Condition;
 import java.util.concurrent.locks.Lock;

hbase-client/src/main/java/org/apache/hadoop/hbase/client/ImmutableHTableDescriptor.java

@@ -18,11 +18,10 @@
  */
 package org.apache.hadoop.hbase.client;
 
-import org.apache.yetus.audience.InterfaceAudience;
-import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder.ModifyableColumnFamilyDescriptor;
-import org.apache.hadoop.hbase.client.TableDescriptorBuilder.ModifyableTableDescriptor;
 import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HTableDescriptor;
+import org.apache.hadoop.hbase.client.TableDescriptorBuilder.ModifyableTableDescriptor;
+import org.apache.yetus.audience.InterfaceAudience;
 
 /**
  * Read-only table descriptor.

hbase-client/src/main/java/org/apache/hadoop/hbase/ipc/CoprocessorRpcUtils.java

@@ -30,7 +30,6 @@
 import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.exceptions.UnknownProtocolException;
 import org.apache.hadoop.hbase.protobuf.generated.ClientProtos;
-import org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations;
 import org.apache.hadoop.hbase.shaded.protobuf.RequestConverter;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.CoprocessorServiceCall;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.CoprocessorServiceRequest;

hbase-client/src/main/java/org/apache/hadoop/hbase/ipc/FailedServers.java

@@ -19,16 +19,13 @@
 
 import java.net.InetSocketAddress;
 import java.util.HashMap;
-import java.util.Iterator;
-import java.util.LinkedList;
 import java.util.Map;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
-import org.apache.hadoop.hbase.util.Pair;
 
 /**
  * A class to manage a list of servers that failed recently.

hbase-client/src/main/java/org/apache/hadoop/hbase/ipc/RemoteWithExtrasException.java

@@ -25,10 +25,9 @@
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.DoNotRetryIOException;
 import org.apache.hadoop.hbase.HBaseConfiguration;
-import org.apache.yetus.audience.InterfaceAudience;
-import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
 import org.apache.hadoop.hbase.util.DynamicClassLoader;
 import org.apache.hadoop.ipc.RemoteException;
+import org.apache.yetus.audience.InterfaceAudience;
 
 /**
  * A {@link RemoteException} with some extra information.  If source exception

hbase-client/src/main/java/org/apache/hadoop/hbase/quotas/QuotaRetriever.java

@@ -26,7 +26,6 @@
 import java.util.Queue;
 
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.TableName;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -36,7 +35,6 @@
 import org.apache.hadoop.hbase.client.ResultScanner;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.client.Table;
-import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.Quotas;
 import org.apache.hadoop.util.StringUtils;
 
 /**

hbase-client/src/main/java/org/apache/hadoop/hbase/security/EncryptionUtil.java

@@ -29,7 +29,6 @@
 
 import org.apache.commons.crypto.cipher.CryptoCipherFactory;
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.HColumnDescriptor;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.yetus.audience.InterfaceAudience;
 import org.apache.yetus.audience.InterfaceStability;

hbase-client/src/main/java/org/apache/hadoop/hbase/snapshot/ClientSnapshotDescriptionUtils.java

@@ -21,7 +21,6 @@
 
 import org.apache.hadoop.hbase.TableName;
 import org.apache.yetus.audience.InterfaceAudience;
-import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;
 import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos;
 import org.apache.hadoop.hbase.util.Bytes;
 

hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestReversedScannerCallable.java

@@ -19,7 +19,6 @@
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HBaseClassTestRule;
-import org.apache.hadoop.hbase.HRegionInfo;
 import org.apache.hadoop.hbase.HRegionLocation;
 import org.apache.hadoop.hbase.RegionLocations;
 import org.apache.hadoop.hbase.ServerName;

hbase-client/src/test/java/org/apache/hadoop/hbase/filter/TestComparators.java

@@ -23,7 +23,6 @@
 import java.nio.ByteBuffer;
 import org.apache.hadoop.hbase.ByteBufferKeyValue;
 import org.apache.hadoop.hbase.Cell;
-import org.apache.hadoop.hbase.CellUtil;
 import org.apache.hadoop.hbase.HBaseClassTestRule;
 import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.PrivateCellUtil;