1 files changed, 83 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/storage/query/Condition.java b/src/main/java/org/traccar/storage/query/Condition.java
new file mode 100644
index 000000000..50d520bc7
--- /dev/null
+++ b/src/main/java/org/traccar/storage/query/Condition.java
@@ -0,0 +1,83 @@
+package org.traccar.storage.query;
+
+public interface Condition {
+
+    class Equals implements Condition {
+        private final String column;
+        private final String variable;
+        private final Object value;
+
+        public Equals(String column, String variable, Object value) {
+            this.column = column;
+            this.variable = variable;
+            this.value = value;
+        }
+
+        public String getColumn() {
+            return column;
+        }
+
+        public String getVariable() {
+            return variable;
+        }
+
+        public Object getValue() {
+            return value;
+        }
+    }
+
+    class Between implements Condition {
+        private final String column;
+        private final String fromVariable;
+        private final Object fromValue;
+        private final String toVariable;
+        private final Object toValue;
+
+        public Between(String column, String fromVariable, Object fromValue, String toVariable, Object toValue) {
+            this.column = column;
+            this.fromVariable = fromVariable;
+            this.fromValue = fromValue;
+            this.toVariable = toVariable;
+            this.toValue = toValue;
+        }
+
+        public String getColumn() {
+            return column;
+        }
+
+        public String getFromVariable() {
+            return fromVariable;
+        }
+
+        public Object getFromValue() {
+            return fromValue;
+        }
+
+        public String getToVariable() {
+            return toVariable;
+        }
+
+        public Object getToValue() {
+            return toValue;
+        }
+    }
+
+    class And implements Condition {
+        private final Condition first;
+        private final Condition second;
+
+        public And(Condition first, Condition second) {
+            this.first = first;
+            this.second = second;
+        }
+
+        public Condition getFirst() {
+            return first;
+        }
+
+        public Condition getSecond() {
+            return second;
+        }
+    }
+
+}