+++ /dev/null
-/**
- * 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.parser.stmt.rfc6020.effective;
-
-import com.google.common.collect.ImmutableList;
-import java.util.ArrayDeque;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Deque;
-import java.util.List;
-import java.util.Objects;
-import javax.annotation.Nonnull;
-import org.opendaylight.yangtools.util.RecursiveObjectLeaker;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.model.api.ExtensionDefinition;
-import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
-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.YinElementEffectiveStatement;
-import org.opendaylight.yangtools.yang.parser.rfc6020.util.AbstractEffectiveDocumentedNode;
-import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
-
-public class ExtensionEffectiveStatementImpl extends AbstractEffectiveDocumentedNode<QName, ExtensionStatement>
- implements ExtensionDefinition, ExtensionEffectiveStatement {
- 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 QName qname;
- private final String argument;
- private final SchemaPath schemaPath;
-
- private final List<UnknownSchemaNode> unknownNodes;
- private final boolean yin;
-
- private ExtensionEffectiveStatementImpl(
- final StmtContext<QName, ExtensionStatement, EffectiveStatement<QName, ExtensionStatement>> ctx) {
- super(ctx);
- this.qname = ctx.getStatementArgument();
- this.schemaPath = ctx.getSchemaPath().get();
-
- final List<UnknownSchemaNode> unknownNodesInit = new ArrayList<>();
- for (EffectiveStatement<?, ?> unknownNode : effectiveSubstatements()) {
- if (unknownNode instanceof UnknownSchemaNode) {
- unknownNodesInit.add((UnknownSchemaNode) unknownNode);
- }
- }
- this.unknownNodes = ImmutableList.copyOf(unknownNodesInit);
-
- // initFields
- ArgumentEffectiveStatementImpl argumentSubstatement = firstEffective(ArgumentEffectiveStatementImpl.class);
- if (argumentSubstatement != null) {
- this.argument = argumentSubstatement.argument().getLocalName();
-
- YinElementEffectiveStatement yinElement = argumentSubstatement
- .firstEffective(YinElementEffectiveStatement.class);
- if (yinElement != null) {
- this.yin = yinElement.argument();
- } else {
- this.yin = false;
- }
- } else {
- this.argument = null;
- this.yin = false;
- }
- }
-
- /**
- * Create a new ExtensionEffectiveStatement, dealing with potential recursion.
- *
- * @param ctx Statement context
- * @return A potentially under-initialized instance
- */
- public static EffectiveStatement<QName, ExtensionStatement> create(
- final StmtContext<QName, ExtensionStatement, EffectiveStatement<QName, ExtensionStatement>> ctx) {
- // Look at the thread-local leak in case we are invoked recursively
- final ExtensionEffectiveStatementImpl existing = RecursiveObjectLeaker.lookup(ctx,
- ExtensionEffectiveStatementImpl.class);
- if (existing != null) {
- // Careful! this object is not fully initialized!
- return existing;
- }
-
- RecursiveObjectLeaker.beforeConstructor(ctx);
- try {
- // This result is fine, we know it has been completely initialized
- return new ExtensionEffectiveStatementImpl(ctx);
- } finally {
- RecursiveObjectLeaker.afterConstructor(ctx);
- }
- }
-
- @Override
- protected Collection<? extends EffectiveStatement<?, ?>> initSubstatements(
- final Collection<? extends StmtContext<?, ?, ?>> substatementsInit) {
- // WARNING: this leaks an incompletely-initialized object
- RecursiveObjectLeaker.inConstructor(this);
-
- return super.initSubstatements(substatementsInit);
- }
-
- @Nonnull
- @Override
- public QName getQName() {
- return qname;
- }
-
- @Nonnull
- @Override
- public SchemaPath getPath() {
- return schemaPath;
- }
-
- @Nonnull
- @Override
- public List<UnknownSchemaNode> getUnknownSchemaNodes() {
- return unknownNodes;
- }
-
- @Override
- public String getArgument() {
- return argument;
- }
-
- @Override
- public boolean isYinElement() {
- return yin;
- }
-
- @Override
- public int hashCode() {
- final int prime = 31;
- int result = 1;
- result = prime * result + Objects.hashCode(qname);
- result = prime * result + Objects.hashCode(schemaPath);
- return result;
- }
-
- @Override
- public boolean equals(final Object obj) {
- if (this == obj) {
- return true;
- }
- if (obj == null) {
- return false;
- }
- if (getClass() != obj.getClass()) {
- return false;
- }
- ExtensionEffectiveStatementImpl other = (ExtensionEffectiveStatementImpl) obj;
- return Objects.equals(qname, other.qname) && Objects.equals(schemaPath, other.schemaPath);
- }
-
- @Override
- public String toString() {
- if (TOSTRING_DETECTOR.check(this)) {
- return recursedToString();
- }
-
- TOSTRING_DETECTOR.push(this);
- try {
- return ExtensionEffectiveStatementImpl.class.getSimpleName() + "["
- + "argument=" + argument
- + ", qname=" + qname
- + ", schemaPath=" + schemaPath
- + ", extensionSchemaNodes=" + unknownNodes
- + ", yin=" + yin
- + "]";
- } finally {
- TOSTRING_DETECTOR.pop();
- }
- }
-
- private String recursedToString() {
- return ExtensionEffectiveStatementImpl.class.getSimpleName() + "["
- + "argument=" + argument
- + ", qname=" + qname
- + ", schemaPath=" + schemaPath
- + ", yin=" + yin
- + " <RECURSIVE> ]";
- }
-}
Code Review / yangtools.git / blobdiff