ARROW-6111: [Java] Support LargeVarChar and LargeBinary types

dev/archery/archery/integration/datagen.py

@@ -1477,7 +1477,6 @@ def _temp_path():
 
         generate_primitive_large_offsets_case([17, 20])
         .skip_category('Go')
-        .skip_category('Java')  # TODO(ARROW-6110)
         .skip_category('JS'),
 
         generate_null_case([10, 0])

java/memory/src/main/java/org/apache/arrow/memory/ArrowBuf.java

@@ -926,7 +926,7 @@ public void setBytes(long index, ByteBuffer src, int srcIndex, int length) {
    *              dst ArrowBuf has access to)
    * @param length length of data to copy
    */
-  public void getBytes(long index, ArrowBuf dst, int dstIndex, int length) {
+  public void getBytes(long index, ArrowBuf dst, long dstIndex, int length) {
     // bound check for this ArrowBuf where the data will be copied from
     checkIndex(index, length);
     // bound check for this ArrowBuf where the data will be copied into

java/vector/src/main/codegen/data/ArrowTypes.tdd

@@ -60,11 +60,21 @@
       fields: [],
       complex: false
     },
+    {
+      name: "LargeUtf8",
+      fields: [],
+      complex: false
+    },
     {
       name: "Binary",
       fields: [],
       complex: false
     },
+    {
+      name: "LargeBinary",
+      fields: [],
+      complex: false
+    },
     {
       name: "FixedSizeBinary",
       fields: [{name: "byteWidth", type: int}],

java/vector/src/main/codegen/data/ValueVectorTypes.tdd

@@ -155,6 +155,17 @@
         { class: "VarChar" , friendlyType: "Text" }
       ]
     },
+    {
+      major: "VarLen",
+      width: 8,
+      javaType: "long",
+      boxedType: "ArrowBuf",
+      fields: [{name: "start", type: "long"}, {name: "end", type: "long"}, {name: "buffer", type: "ArrowBuf"}],
+      minor: [
+        { class: "LargeVarChar" , friendlyType: "Text" }
+        { class: "LargeVarBinary" , friendlyType: "byte[]" }
+      ]
+    },
     {
       major: "Bit",
       width: 1,

java/vector/src/main/codegen/templates/HolderReaderImpl.java

@@ -102,12 +102,16 @@ public void read(Nullable${name}Holder h) {
   </#if>
 
   <#if type.major == "VarLen">
+    <#if type.width == 4>
     int length = holder.end - holder.start;
+    <#elseif type.width == 8>
+    int length = (int) (holder.end - holder.start);
+    </#if>
     byte[] value = new byte [length];
     holder.buffer.getBytes(holder.start, value, 0, length);
-    <#if minor.class == "VarBinary">
+    <#if minor.class == "VarBinary" || minor.class == "LargeVarBinary">
     return value;
-    <#elseif minor.class == "VarChar">
+    <#elseif minor.class == "VarChar" || minor.class == "LargeVarChar">
     Text text = new Text();
     text.set(value);
     return text;