apacheGH-40944: [Java] Implement TypeEqualsVisitor for StringView (apache#41606)

### Rationale for this change
Resolves apache#40944 .

### What changes are included in this PR?

### Are these changes tested?
Yes.

### Are there any user-facing changes?
No.

* GitHub Issue: apache#40944

Authored-by: Tai Le Manh <[email protected]>
Signed-off-by: David Li <[email protected]>

Author: tlm365

vector/src/main/java/org/apache/arrow/vector/compare/TypeEqualsVisitor.java

@@ -88,7 +88,7 @@ public Boolean visit(BaseLargeVariableWidthVector left, Void value) {
 
   @Override
   public Boolean visit(BaseVariableWidthViewVector left, Void value) {
-    throw new UnsupportedOperationException("View vectors are not supported.");
+    return compareField(left.getField(), right.getField());
   }
 
   @Override

vector/src/test/java/org/apache/arrow/vector/compare/TestTypeEqualsVisitor.java

@@ -20,6 +20,7 @@
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
+import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -30,6 +31,8 @@
 import org.apache.arrow.vector.Float8Vector;
 import org.apache.arrow.vector.IntVector;
 import org.apache.arrow.vector.VarCharVector;
+import org.apache.arrow.vector.ViewVarBinaryVector;
+import org.apache.arrow.vector.ViewVarCharVector;
 import org.apache.arrow.vector.complex.DenseUnionVector;
 import org.apache.arrow.vector.complex.ListVector;
 import org.apache.arrow.vector.complex.StructVector;
@@ -176,4 +179,42 @@ public void testDenseUnionTypeEquals() {
       assertFalse(typeVisitor.equals(vector1));
     }
   }
+
+  @Test
+  public void testStringViewTypeEquals() {
+    try (final ViewVarCharVector varchar1 = new ViewVarCharVector("varchar1", allocator);
+         final ViewVarCharVector varchar2 = new ViewVarCharVector("varchar2", allocator);
+         final ViewVarBinaryVector binary = new ViewVarBinaryVector("binary", allocator)) {
+      final int valueCount = 2;
+      final byte[] str0 = "apache".getBytes(StandardCharsets.UTF_8);
+      final byte[] str1 = "arrow".getBytes(StandardCharsets.UTF_8);
+
+      // add elements for varchar1
+      varchar1.allocateNew(48, valueCount);
+      varchar1.set(0, str0);
+      varchar1.set(1, str1);
+      varchar1.setValueCount(valueCount);
+
+      // add elements for varchar2 in a difference order
+      varchar2.allocateNew(48, valueCount);
+      varchar2.set(0, str1);
+      varchar2.set(1, str0);
+      varchar2.setValueCount(valueCount);
+
+      // add elements for binary
+      binary.allocateNew(48, valueCount);
+      binary.set(0, str0);
+      binary.set(1, str1);
+      binary.setValueCount(valueCount);
+
+      // compare ignore check name
+      TypeEqualsVisitor visitor = new TypeEqualsVisitor(varchar1, /* check name */ false, /* check meta data */ true);
+      assertTrue(visitor.equals(varchar2));
+      assertFalse(visitor.equals(binary));
+
+      // if we check names, the types should be different
+      visitor = new TypeEqualsVisitor(varchar1, /* check name */ true, /* check meta data */ true);
+      assertFalse(visitor.equals(varchar2));
+    }
+  }
 }