Use a config param for 8192

xerial · xerial · commit 10c241b0d522 · 2016-01-04T23:27:54.000+09:00
diff --git a/msgpack-core/src/main/java/org/msgpack/core/MessagePack.java b/msgpack-core/src/main/java/org/msgpack/core/MessagePack.java
@@ -241,6 +241,12 @@ public static class PackerConfig
          */
         public int smallStringOptimizationThreshold = 512;
 
+        /**
+         * When the next payload size exceeds this threshold, MessagePacker will call MessageBufferOutput.flush() before
+         * packing the data.
+         */
+        public int bufferFlushThreshold = 8192;
+
         /**
          * Create a packer that outputs the packed data to a given output
          *
diff --git a/msgpack-core/src/main/java/org/msgpack/core/MessagePacker.java b/msgpack-core/src/main/java/org/msgpack/core/MessagePacker.java
@@ -86,6 +86,8 @@ public class MessagePacker
 {
     private final int smallStringOptimizationThreshold;
 
+    private final int bufferFlushThreshold;
+
     protected MessageBufferOutput out;
 
     private MessageBuffer buffer;
@@ -113,6 +115,7 @@ public MessagePacker(MessageBufferOutput out, MessagePack.PackerConfig config)
         this.out = checkNotNull(out, "MessageBufferOutput is null");
         // We must copy the configuration parameters here since the config object is mutable
         this.smallStringOptimizationThreshold = config.smallStringOptimizationThreshold;
+        this.bufferFlushThreshold = config.bufferFlushThreshold;
         this.position = 0;
         this.totalFlushBytes = 0;
     }
@@ -703,7 +706,7 @@ public MessagePacker writePayload(byte[] src)
     public MessagePacker writePayload(byte[] src, int off, int len)
             throws IOException
     {
-        if (buffer.size() - position < len || len > 8192) {
+        if (buffer.size() - position < len || len > bufferFlushThreshold) {
             flush();  // call flush before write
             out.write(src, off, len);
             totalFlushBytes += len;
@@ -744,7 +747,7 @@ public MessagePacker addPayload(byte[] src)
     public MessagePacker addPayload(byte[] src, int off, int len)
             throws IOException
     {
-        if (buffer.size() - position < len || len > 8192) {
+        if (buffer.size() - position < len || len > bufferFlushThreshold) {
             flush();  // call flush before add
             out.add(src, off, len);
             totalFlushBytes += len;
