init research

tech.ml.dataset/java/tech/v3/dataset/Text.java

@@ -0,0 +1,32 @@
+package tech.v3.dataset;
+
+import java.util.Objects;
+
+public class Text implements Comparable
+{
+  public final String text;
+  public Text(String data) {
+    Objects.requireNonNull(data);
+    text = data;
+  }
+  public String toString() { return text; }
+  public int hashCode() { return text.hashCode(); }
+  public boolean equals(Object other) {
+    String strData = null;
+    if (other instanceof String) {
+      strData = (String)other;
+    } else if (other instanceof Text) {
+      strData = ((Text)other).text;
+    }
+    return text.equals(strData);
+  }
+  public int compareTo(Object other) {
+    String strData = null;
+    if (other instanceof String) {
+      strData = (String)other;
+    } else if (other instanceof Text) {
+      strData = ((Text)other).text;
+    }
+    return text.compareTo(strData);
+  }
+}