feat: add between operation (#6)

src/main/java/fr/ouestfrance/querydsl/FilterOperation.java

@@ -1,10 +1,7 @@
 package fr.ouestfrance.querydsl;
 
 import fr.ouestfrance.querydsl.service.validators.ValidatedBy;
-import fr.ouestfrance.querydsl.service.validators.impl.BooleanValidator;
-import fr.ouestfrance.querydsl.service.validators.impl.CollectionValidator;
-import fr.ouestfrance.querydsl.service.validators.impl.ComparableValidator;
-import fr.ouestfrance.querydsl.service.validators.impl.StringValidator;
+import fr.ouestfrance.querydsl.service.validators.impl.*;
 
 /**
  * Operations allowed by querydsl
@@ -80,4 +77,12 @@ class NOTIN implements FilterOperation {
     @ValidatedBy(BooleanValidator.class)
     class ISNULL implements FilterOperation {
     }
+
+
+    /**
+     * Between Operation
+     */
+    @ValidatedBy(HasRangeValidator.class)
+    class BETWEEN implements FilterOperation {
+    }
 }

src/main/java/fr/ouestfrance/querydsl/service/ext/HasRange.java

@@ -0,0 +1,37 @@
+package fr.ouestfrance.querydsl.service.ext;
+
+/**
+ * Interface for range values
+ *
+ * @param <T> the type of the range (like localDate, String, integers, ...)
+ */
+public interface HasRange<T> {
+
+    /**
+     * Get the lower bound of the range
+     *
+     * @return the lower bound or null if unbounded
+     */
+    T getLower();
+
+    /**
+     * Get the upper bound of the range
+     *
+     * @return the upper bound or null if unbounded
+     */
+    T getUpper();
+
+    /**
+     * Check if the lower bound is inclusive
+     *
+     * @return true if the lower bound is inclusive
+     */
+    boolean isLowerInclusive();
+
+    /**
+     * Check if the upper bound is inclusive
+     *
+     * @return true if the upper bound is inclusive
+     */
+    boolean isUpperInclusive();
+}

src/main/java/fr/ouestfrance/querydsl/service/validators/impl/HasRangeValidator.java

@@ -0,0 +1,21 @@
+package fr.ouestfrance.querydsl.service.validators.impl;
+
+import fr.ouestfrance.querydsl.service.ext.HasRange;
+import fr.ouestfrance.querydsl.service.validators.FilterFieldValidator;
+import lombok.NoArgsConstructor;
+
+/**
+ * Validator that handle filter on HasRange
+ */
+@NoArgsConstructor
+public class HasRangeValidator implements FilterFieldValidator {
+    @Override
+    public boolean validate(Class<?> clazz) {
+        return HasRange.class.isAssignableFrom(clazz);
+    }
+
+    @Override
+    public String message() {
+        return "should be applied to HasRange";
+    }
+}