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.Deque;
import java.util.List;
import java.util.Objects;
import org.opendaylight.yangtools.yang.common.QName;
public class ExtensionEffectiveStatementImpl extends AbstractEffectiveDocumentedNode<QName, ExtensionStatement>
implements ExtensionDefinition {
+ 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;
@Override
public String toString() {
- StringBuilder sb = new StringBuilder(ExtensionEffectiveStatementImpl.class.getSimpleName());
- sb.append("[");
- sb.append("argument=").append(argument);
- sb.append(", qname=").append(qname);
- sb.append(", schemaPath=").append(schemaPath);
- sb.append(", extensionSchemaNodes=").append(unknownNodes);
- sb.append(", yin=").append(yin);
- sb.append("]");
- return sb.toString();
+ if (TOSTRING_DETECTOR.check(this)) {
+ return recursedToString();
+ }
+
+ TOSTRING_DETECTOR.push(this);
+ try {
+ StringBuilder sb = new StringBuilder(ExtensionEffectiveStatementImpl.class.getSimpleName());
+ sb.append("[");
+ sb.append("argument=").append(argument);
+ sb.append(", qname=").append(qname);
+ sb.append(", schemaPath=").append(schemaPath);
+ sb.append(", extensionSchemaNodes=").append(unknownNodes);
+ sb.append(", yin=").append(yin);
+ sb.append("]");
+ return sb.toString();
+ } finally {
+ TOSTRING_DETECTOR.pop();
+ }
+ }
+
+ private String recursedToString() {
+ return ExtensionEffectiveStatementImpl.class.getSimpleName() + "[" +
+ "argument=" + argument +
+ ", qname=" + qname +
+ ", schemaPath=" + schemaPath +
+ ", yin=" + yin +
+ " <RECURSIVE> ]";
}
}