diff --git a/src/main/java/com/loafle/overflow/model/data/Metric.java b/src/main/java/com/loafle/overflow/model/data/Metric.java
index bd224f3..82d2618 100644
--- a/src/main/java/com/loafle/overflow/model/data/Metric.java
+++ b/src/main/java/com/loafle/overflow/model/data/Metric.java
@@ -7,7 +7,44 @@ import java.util.Map;
  * Metric
  */
 public class Metric {
-  public String sensorConfigID;
-  public Map<String, String> data;
-  public Date collectDate;
+  private String sensorConfigID;
+  private Map<String, String> data;
+  private Date collectDate;
+
+  /**
+   * @return the sensorConfigID
+   */
+  public String getSensorConfigID() {
+    return sensorConfigID;
+  }
+  /**
+   * @param sensorConfigID the sensorConfigID to set
+   */
+  public void setSensorConfigID(String sensorConfigID) {
+    this.sensorConfigID = sensorConfigID;
+  }
+  /**
+   * @return the data
+   */
+  public Map<String, String> getData() {
+    return data;
+  }
+  /**
+   * @param data the data to set
+   */
+  public void setData(Map<String, String> data) {
+    this.data = data;
+  }
+  /**
+   * @return the collectDate
+   */
+  public Date getCollectDate() {
+    return collectDate;
+  }
+  /**
+   * @param collectDate the collectDate to set
+   */
+  public void setCollectDate(Date collectDate) {
+    this.collectDate = collectDate;
+  }
 }
\ No newline at end of file