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From chaithu14 <...@git.apache.org>
Subject [GitHub] apex-malhar pull request #324: Spillable Datastructures PR for review only
Date Mon, 27 Jun 2016 11:14:10 GMT
Github user chaithu14 commented on a diff in the pull request:

    https://github.com/apache/apex-malhar/pull/324#discussion_r68559313
  
    --- Diff: library/src/main/java/org/apache/apex/malhar/lib/utils/serde/SliceUtils.java
---
    @@ -0,0 +1,52 @@
    +package org.apache.apex.malhar.lib.utils.serde;
    +
    +import com.datatorrent.netlet.util.Slice;
    +
    +public class SliceUtils
    +{
    +  private SliceUtils()
    +  {
    +  }
    +
    +  public static byte[] concatenate(byte[] a, byte[] b)
    +  {
    +    byte[] output = new byte[a.length + b.length];
    +
    +    System.arraycopy(a, 0, output, 0, a.length);
    +    System.arraycopy(b, 0, output, a.length, b.length);
    +    return output;
    +  }
    +
    +  public static Slice concatenate(Slice a, Slice b)
    +  {
    +    int size = a.length + b.length;
    +    byte[] bytes = new byte[size];
    +
    +    System.arraycopy(a.buffer, a.offset, bytes, 0, a.length);
    +    System.arraycopy(b.buffer, b.offset, bytes, a.length, b.length);
    +
    +    return new Slice(bytes);
    +  }
    +
    +  public static Slice concatenate(byte[] a, Slice b)
    +  {
    +    int size = a.length + b.length;
    +    byte[] bytes = new byte[size];
    +
    +    System.arraycopy(a, 0, bytes, 0, a.length);
    +    System.arraycopy(b.buffer, b.offset, bytes, a.length, b.length);
    +
    +    return new Slice(bytes);
    +  }
    +
    +  public static Slice concatenate(Slice a, byte[] b)
    +  {
    +    int size = a.length + b.length;
    +    byte[] bytes = new byte[size];
    +
    +    System.arraycopy(a, a.offset, bytes, 0, a.length);
    --- End diff --
    
    a.buffer instead of a.


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