Remove unused constructors

Author: pontusmelke

driver/src/main/java/org/neo4j/driver/internal/packstream/BufferedChannelInput.java

@@ -30,10 +30,11 @@ public class BufferedChannelInput implements PackInput
 {
     private final ByteBuffer buffer;
     private ReadableByteChannel channel;
+    private static final int DEFAULT_BUFFER_CAPACITY = 8192;
 
-    public BufferedChannelInput( int bufferCapacity )
+    public BufferedChannelInput(ReadableByteChannel ch )
     {
-        this( bufferCapacity, null );
+        this( DEFAULT_BUFFER_CAPACITY, ch );
     }
 
     public BufferedChannelInput( int bufferCapacity, ReadableByteChannel ch )

driver/src/main/java/org/neo4j/driver/internal/packstream/PackStream.java

@@ -19,7 +19,6 @@
 package org.neo4j.driver.internal.packstream;
 
 import java.io.IOException;
-import java.nio.channels.ReadableByteChannel;
 import java.nio.channels.WritableByteChannel;
 import java.nio.charset.Charset;
 import java.util.List;
@@ -147,8 +146,6 @@ public class PackStream
     private static final String EMPTY_STRING = "";
     private static final Charset UTF_8 = Charset.forName( "UTF-8" );
 
-    private static final int DEFAULT_BUFFER_CAPACITY = 8192;
-
     private PackStream() {}
 
     public static class Packer
@@ -428,29 +425,11 @@ public static class Unpacker
     {
         private PackInput in;
 
-        public Unpacker( ReadableByteChannel channel )
-        {
-            this( DEFAULT_BUFFER_CAPACITY );
-            reset( channel );
-        }
-
-        public Unpacker( int bufferCapacity )
-        {
-            assert bufferCapacity >= 8 : "Buffer must be at least 8 bytes.";
-            this.in = new BufferedChannelInput( bufferCapacity );
-        }
-
         public Unpacker( PackInput in )
         {
             this.in = in;
         }
 
-        public Unpacker reset( ReadableByteChannel ch )
-        {
-            ((BufferedChannelInput)in).reset( ch );
-            return this;
-        }
-
         public boolean hasNext() throws IOException
         {
             return in.hasMoreData();

driver/src/test/java/org/neo4j/driver/internal/packstream/PackStreamTest.java

@@ -112,7 +112,7 @@ public PackStream.Packer packer()
     private PackStream.Unpacker newUnpacker( byte[] bytes )
     {
         ByteArrayInputStream input = new ByteArrayInputStream( bytes );
-        return new PackStream.Unpacker( Channels.newChannel( input ) );
+        return new PackStream.Unpacker( new BufferedChannelInput( Channels.newChannel( input ) ) );
     }
 
     @Test
@@ -802,8 +802,7 @@ public void handlesDataCrossingBufferBoundaries() throws Throwable
         packer.flush();
 
         ReadableByteChannel ch = Channels.newChannel( new ByteArrayInputStream( machine.output() ) );
-        PackStream.Unpacker unpacker = new PackStream.Unpacker( 11 );
-        unpacker.reset( ch );
+        PackStream.Unpacker unpacker = new PackStream.Unpacker( new BufferedChannelInput( 11, ch ) );
 
         // Serialized ch will look like, and misalign with the 11-byte unpack buffer: