1 files changed, 38 insertions, 4 deletions

diff --git a/src/main/java/org/traccar/storage/query/Condition.java b/src/main/java/org/traccar/storage/query/Condition.java
index 50d520bc7..82c8e8479 100644
--- a/src/main/java/org/traccar/storage/query/Condition.java
+++ b/src/main/java/org/traccar/storage/query/Condition.java
@@ -2,13 +2,25 @@ package org.traccar.storage.query;
 
 public interface Condition {
 
-    class Equals implements Condition {
+    class Equals extends Compare {
+        public Equals(String column, String variable) {
+            this(column, variable, null);
+        }
+
+        public Equals(String column, String variable, Object value) {
+            super(column, "=", variable, value);
+        }
+    }
+
+    class Compare implements Condition {
         private final String column;
+        private final String operator;
         private final String variable;
         private final Object value;
 
-        public Equals(String column, String variable, Object value) {
+        public Compare(String column, String operator, String variable, Object value) {
             this.column = column;
+            this.operator = operator;
             this.variable = variable;
             this.value = value;
         }
@@ -17,6 +29,10 @@ public interface Condition {
             return column;
         }
 
+        public String getOperator() {
+            return operator;
+        }
+
         public String getVariable() {
             return variable;
         }
@@ -62,13 +78,27 @@ public interface Condition {
         }
     }
 
-    class And implements Condition {
+    class Or extends Binary {
+        public Or(Condition first, Condition second) {
+            super(first, second, "OR");
+        }
+    }
+
+    class And extends Binary {
+        public And(Condition first, Condition second) {
+            super(first, second, "AND");
+        }
+    }
+
+    class Binary implements Condition {
         private final Condition first;
         private final Condition second;
+        private final String operator;
 
-        public And(Condition first, Condition second) {
+        public Binary(Condition first, Condition second, String operator) {
             this.first = first;
             this.second = second;
+            this.operator = operator;
         }
 
         public Condition getFirst() {
@@ -78,6 +108,10 @@ public interface Condition {
         public Condition getSecond() {
             return second;
         }
+
+        public String getOperator() {
+            return operator;
+        }
     }
 
 }