Populate data/ hierarchy

[yangtools.git] / data / yang-data-impl / src / main / java / org / opendaylight / yangtools / yang / data / impl / leafref / QNameWithPredicateBuilder.java

diff --git a/data/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/leafref/QNameWithPredicateBuilder.java b/data/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/leafref/QNameWithPredicateBuilder.java
new file mode 100644 (file)
index 0000000..4b44884
--- /dev/null
+++ b/data/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/leafref/QNameWithPredicateBuilder.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others.  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.data.impl.leafref;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.common.QNameModule;
+
+class QNameWithPredicateBuilder implements Builder<QNameWithPredicate> {
+
+    private final List<QNamePredicate> qnamePredicates = new ArrayList<>();
+    private QNameModule moduleQname;
+    private String localName;
+
+    static final QNameWithPredicateBuilder UP_PARENT_BUILDER = new QNameWithPredicateBuilder(null, "..") {
+        @Override
+        public QNameWithPredicate build() {
+            return QNameWithPredicate.UP_PARENT;
+        }
+    };
+
+    QNameWithPredicateBuilder(final QNameModule moduleQname, final String localName) {
+        this.moduleQname = moduleQname;
+        this.localName = localName;
+    }
+
+    @Override
+    public QNameWithPredicate build() {
+        if (qnamePredicates.isEmpty() && moduleQname != null && localName != null) {
+            return new SimpleQNameWithPredicate(QName.create(moduleQname, localName));
+        }
+
+        final QNameWithPredicateImpl qNameWithPredicateImpl = new QNameWithPredicateImpl(moduleQname, localName,
+            qnamePredicates);
+
+        // QNameWithPredicateImpl has taken a copy
+        qnamePredicates.clear();
+        return qNameWithPredicateImpl;
+    }
+
+    public List<QNamePredicate> getQNamePredicates() {
+        return qnamePredicates;
+    }
+
+    public void addQNamePredicate(final QNamePredicate qnamePredicate) {
+        qnamePredicates.add(qnamePredicate);
+    }
+
+    public QNameModule getModuleQname() {
+        return moduleQname;
+    }
+
+    public void setModuleQname(final QNameModule moduleQname) {
+        this.moduleQname = moduleQname;
+    }
+
+    public String getLocalName() {
+        return localName;
+    }
+
+    public void setLocalName(final String localName) {
+        this.localName = localName;
+    }
+
+    // FIXME: check also predicates ...
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!(obj instanceof QNameWithPredicateBuilder)) {
+            return false;
+        }
+        final QNameWithPredicateBuilder other = (QNameWithPredicateBuilder) obj;
+        return Objects.equals(localName, other.localName) &&  moduleQname.equals(other.moduleQname);
+    }
+
+    @Override
+    public int hashCode() {
+        int result = moduleQname != null ? moduleQname.hashCode() : 0;
+        result = 31 * result + Objects.hashCode(localName);
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder sb = new StringBuilder();
+
+        if (moduleQname != null) {
+            sb.append('(').append(moduleQname.getNamespace());
+            sb.append("?revision=").append(moduleQname.getRevision());
+            sb.append(')');
+        }
+
+        sb.append(localName);
+
+        for (final QNamePredicate predicate : qnamePredicates) {
+            sb.append(predicate);
+        }
+
+        return sb.toString();
+    }
+}