Populate xpath/ hierarchy

[yangtools.git] / xpath / yang-xpath-api / src / main / java / org / opendaylight / yangtools / yang / xpath / api / YangNaryExpr.java

diff --git a/xpath/yang-xpath-api/src/main/java/org/opendaylight/yangtools/yang/xpath/api/YangNaryExpr.java b/xpath/yang-xpath-api/src/main/java/org/opendaylight/yangtools/yang/xpath/api/YangNaryExpr.java
new file mode 100644 (file)
index 0000000..982b338
--- /dev/null
+++ b/xpath/yang-xpath-api/src/main/java/org/opendaylight/yangtools/yang/xpath/api/YangNaryExpr.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2018 Pantheon Technologies, s.r.o.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.yang.xpath.api;
+
+import static java.util.Objects.requireNonNull;
+
+import com.google.common.annotations.Beta;
+import com.google.common.base.MoreObjects;
+import com.google.common.collect.ImmutableSet;
+import java.util.Objects;
+import java.util.Set;
+import org.eclipse.jdt.annotation.Nullable;
+
+/**
+ * A {@link YangExpr} combining a {@link YangNaryOperator} with a set of expressions.
+ */
+@Beta
+public final class YangNaryExpr implements YangExpr {
+    private static final long serialVersionUID = 1L;
+
+    private final YangNaryOperator operator;
+    private final ImmutableSet<YangExpr> expressions;
+
+    YangNaryExpr(final YangNaryOperator operator, final ImmutableSet<YangExpr> expressions) {
+        this.operator = requireNonNull(operator);
+        this.expressions = requireNonNull(expressions);
+    }
+
+    public Set<YangExpr> getExpressions() {
+        return expressions;
+    }
+
+    public YangNaryOperator getOperator() {
+        return operator;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(getOperator(), expressions);
+    }
+
+    @Override
+    public boolean equals(final @Nullable Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!(obj instanceof YangNaryExpr)) {
+            return false;
+        }
+        final YangNaryExpr other = (YangNaryExpr) obj;
+        return getOperator().equals(other.getOperator()) && expressions.equals(other.expressions);
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(YangNaryExpr.class)
+                .add("operator", operator)
+                .add("expressions", expressions)
+                .toString();
+    }
+}