Populate model/ hierarchy

[yangtools.git] / model / yang-model-ri / src / main / java / org / opendaylight / yangtools / yang / model / ri / stmt / impl / eff / ExtensionEffectiveStatementImpl.java

diff --git a/model/yang-model-ri/src/main/java/org/opendaylight/yangtools/yang/model/ri/stmt/impl/eff/ExtensionEffectiveStatementImpl.java b/model/yang-model-ri/src/main/java/org/opendaylight/yangtools/yang/model/ri/stmt/impl/eff/ExtensionEffectiveStatementImpl.java
new file mode 100644 (file)
index 0000000..d2d3dc9
--- /dev/null
+++ b/model/yang-model-ri/src/main/java/org/opendaylight/yangtools/yang/model/ri/stmt/impl/eff/ExtensionEffectiveStatementImpl.java
@@ -0,0 +1,145 @@
+/*
+ * 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.model.ri.stmt.impl.eff;
+
+import static com.google.common.base.Verify.verifyNotNull;
+
+import com.google.common.collect.ImmutableList;
+import java.util.ArrayDeque;
+import java.util.Deque;
+import org.eclipse.jdt.annotation.Nullable;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.model.api.ExtensionDefinition;
+import org.opendaylight.yangtools.yang.model.api.SchemaNodeDefaults;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
+import org.opendaylight.yangtools.yang.model.api.Status;
+import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.ArgumentEffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.ExtensionEffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.ExtensionStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.stmt.YinElementEffectiveStatement;
+import org.opendaylight.yangtools.yang.model.spi.meta.AbstractDeclaredEffectiveStatement.DefaultArgument;
+import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins.DocumentedNodeMixin;
+
+public final class ExtensionEffectiveStatementImpl extends DefaultArgument<QName, ExtensionStatement>
+        implements ExtensionDefinition, ExtensionEffectiveStatement, DocumentedNodeMixin<QName, ExtensionStatement> {
+    private static final class RecursionDetector extends ThreadLocal<Deque<ExtensionEffectiveStatementImpl>> {
+        boolean check(final ExtensionEffectiveStatementImpl current) {
+            final Deque<ExtensionEffectiveStatementImpl> stack = get();
+            if (stack != null) {
+                for (ExtensionEffectiveStatementImpl s : stack) {
+                    if (s == current) {
+                        return true;
+                    }
+                }
+            }
+            return false;
+        }
+
+        void push(final ExtensionEffectiveStatementImpl current) {
+            Deque<ExtensionEffectiveStatementImpl> stack = get();
+            if (stack == null) {
+                stack = new ArrayDeque<>(1);
+                set(stack);
+            }
+
+            stack.push(current);
+        }
+
+        void pop() {
+            Deque<ExtensionEffectiveStatementImpl> stack = get();
+            stack.pop();
+            if (stack.isEmpty()) {
+                remove();
+            }
+        }
+    }
+
+    private static final RecursionDetector TOSTRING_DETECTOR = new RecursionDetector();
+
+    private final @Nullable SchemaPath path;
+    private final Object substatements;
+
+    public ExtensionEffectiveStatementImpl(final ExtensionStatement declared,
+            final ImmutableList<? extends EffectiveStatement<?, ?>> substatements, final SchemaPath path) {
+        super(declared);
+        this.substatements = maskList(substatements);
+        this.path = path;
+    }
+
+    @Override
+    public QName getQName() {
+        return argument();
+    }
+
+    @Override
+    @Deprecated
+    public SchemaPath getPath() {
+        return SchemaNodeDefaults.throwUnsupportedIfNull(this, path);
+    }
+
+    @Override
+    public String getArgument() {
+        return findFirstEffectiveSubstatementArgument(ArgumentEffectiveStatement.class)
+                .map(QName::getLocalName)
+                .orElse(null);
+    }
+
+    @Override
+    public boolean isYinElement() {
+        return findFirstEffectiveSubstatement(ArgumentEffectiveStatement.class)
+                .flatMap(arg -> arg.findFirstEffectiveSubstatementArgument(YinElementEffectiveStatement.class))
+                .orElse(Boolean.FALSE);
+    }
+
+    @Override
+    public ImmutableList<? extends EffectiveStatement<?, ?>> effectiveSubstatements() {
+        final Object local = verifyNotNull(substatements, "Substatements are not yet initialized");
+        return unmaskList(local);
+    }
+
+    @Override
+    public Status getStatus() {
+        return findFirstEffectiveSubstatementArgument(StatusEffectiveStatement.class).orElse(Status.CURRENT);
+    }
+
+    @Override
+    public ExtensionEffectiveStatement asEffectiveStatement() {
+        return this;
+    }
+
+    @Override
+    public String toString() {
+        if (TOSTRING_DETECTOR.check(this)) {
+            return recursedToString();
+        }
+
+        TOSTRING_DETECTOR.push(this);
+        try {
+            return ExtensionEffectiveStatementImpl.class.getSimpleName() + "["
+                    + "argument=" + getArgument()
+                    + ", qname=" + getQName()
+                    + ", schemaPath=" + path
+                    + ", yin=" + isYinElement()
+                    + ", extensionSchemaNodes=" + getUnknownSchemaNodes()
+                    + "]";
+        } finally {
+            TOSTRING_DETECTOR.pop();
+        }
+    }
+
+    private String recursedToString() {
+        return ExtensionEffectiveStatementImpl.class.getSimpleName() + "["
+                + "argument=" + getArgument()
+                + ", qname=" + getQName()
+                + ", schemaPath=" + path
+                + ", yin=" + isYinElement()
+                + " <RECURSIVE> ]";
+    }
+}