Add Pair<K,V> utility class.

1 files changed, 42 insertions, 0 deletions

diff --git a/src/main/java/com/keuin/crosslink/util/Pair.java b/src/main/java/com/keuin/crosslink/util/Pair.java
new file mode 100644
index 0000000..c59c816
--- /dev/null
+++ b/src/main/java/com/keuin/crosslink/util/Pair.java
@@ -0,0 +1,42 @@
+package com.keuin.crosslink.util;
+
+import java.util.Objects;
+
+public class Pair<K, V> {
+    private final K k;
+    private final V v;
+
+    public Pair(K k, V v) {
+        this.k = k;
+        this.v = v;
+    }
+
+    public K getK() {
+        return k;
+    }
+
+    public V getV() {
+        return v;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Pair<?, ?> pair = (Pair<?, ?>) o;
+        return Objects.equals(k, pair.k) && Objects.equals(v, pair.v);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(k, v);
+    }
+
+    @Override
+    public String toString() {
+        return "Pair{" +
+                "k=" + k +
+                ", v=" + v +
+                '}';
+    }
+}