package com.ctrip.framework.apollo.model;

 import com.google.common.base.Objects;

 import com.ctrip.framework.apollo.enums.PropertyChangeType;

 /**

  * Holds the information for a config change.

  * @author Jason Song(song_s@ctrip.com)

  */

 public class ConfigChange {

   private final String namespace;

   private final String propertyName;

   private String oldValue;

   private String newValue;

   private PropertyChangeType changeType;

   /**

    * Constructor.

    * @param namespace the namespace of the key

    * @param propertyName the key whose value is changed

    * @param oldValue the value before change

    * @param newValue the value after change

    * @param changeType the change type

    */

   public ConfigChange(String namespace, String propertyName, String oldValue, String newValue,

                       PropertyChangeType changeType) {

     this.namespace = namespace;

     this.propertyName = propertyName;

     this.oldValue = oldValue;

     this.newValue = newValue;

     this.changeType = changeType;

   }

   public String getPropertyName() {

     return propertyName;

   }

   public String getOldValue() {

     return oldValue;

   }

   public String getNewValue() {

     return newValue;

   }

   public PropertyChangeType getChangeType() {

     return changeType;

   }

   public void setOldValue(String oldValue) {

     this.oldValue = oldValue;

   }

   public void setNewValue(String newValue) {

     this.newValue = newValue;

   }

   public void setChangeType(PropertyChangeType changeType) {

     this.changeType = changeType;

   }

   public String getNamespace() {

     return namespace;

   }

   @Override

   public String toString() {

     final StringBuilder sb = new StringBuilder("ConfigChange{");

     sb.append("namespace='").append(namespace).append('\'');

     sb.append(", propertyName='").append(propertyName).append('\'');

     sb.append(", oldValue='").append(oldValue).append('\'');

     sb.append(", newValue='").append(newValue).append('\'');

     sb.append(", changeType=").append(changeType);

     sb.append('}');

     return sb.toString();

   }

 }