AJ-753: add 'getScale' method for BasicStringMatrix、BasicShortMatrix;

Author: chengyitian

src/com/xxdb/data/BasicShortMatrix.java

@@ -4,9 +4,9 @@
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 import java.util.List;
-
 import com.xxdb.io.ExtendedDataInput;
 import com.xxdb.io.ExtendedDataOutput;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 
 /**
  * 
@@ -98,4 +98,10 @@ protected void writeVectorToOutputStream(ExtendedDataOutput out) throws IOExcept
 		for(short value : values)
 			out.writeShort(value);
 	}
+
+	@JsonIgnore
+	@Override
+	public int getScale() {
+		return super.getScale();
+	}
 }

src/com/xxdb/data/BasicStringMatrix.java

@@ -109,4 +109,10 @@ protected void writeVectorToOutputStream(ExtendedDataOutput out) throws IOExcept
 		for(String value : values)
 			out.writeString(value);
 	}
+
+	@JsonIgnore
+	@Override
+	public int getScale() {
+		return super.getScale();
+	}
 }