/*
* 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.api;
import com.google.common.base.Preconditions;
+import com.google.common.base.Verify;
import com.google.common.collect.UnmodifiableIterator;
-import java.util.Collection;
import java.util.Iterator;
import java.util.List;
+import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
-final class StackedPathArguments implements Iterable<PathArgument> {
- private final List<StackedYangInstanceIdentifier> stack;
- private final YangInstanceIdentifier base;
+final class StackedPathArguments extends PathArgumentList {
+ private final List<PathArgument> base;
+ private final List<PathArgument> stack;
- public StackedPathArguments(final YangInstanceIdentifier base, final List<StackedYangInstanceIdentifier> stack) {
- this.base = Preconditions.checkNotNull(base);
- this.stack = Preconditions.checkNotNull(stack);
+ public StackedPathArguments(@Nonnull final YangInstanceIdentifier base, @Nonnull final List<PathArgument> stack) {
+ Verify.verify(!stack.isEmpty());
+ this.base = base.getPathArguments();
+ this.stack = stack;
}
@Override
- public Iterator<PathArgument> iterator() {
+ public int size() {
+ return stack.size() + base.size();
+ }
+
+ @Override
+ public boolean contains(final Object o) {
+ final PathArgument srch = (PathArgument) Preconditions.checkNotNull(o);
+ return stack.contains(srch) || base.contains(srch);
+ }
+
+ @Override
+ public PathArgument get(final int index) {
+ if (index < base.size()) {
+ return base.get(index);
+ }
+ return stack.get(index - base.size());
+ }
+
+ @Override
+ public int indexOf(final Object o) {
+ final PathArgument srch = (PathArgument) Preconditions.checkNotNull(o);
+
+ int ret = base.indexOf(srch);
+ if (ret == -1) {
+ ret = stack.indexOf(srch);
+ if (ret != -1) {
+ return base.size() + ret;
+ }
+ }
+ return ret;
+ }
+
+ @Override
+ public int lastIndexOf(final Object o) {
+ final PathArgument srch = (PathArgument) Preconditions.checkNotNull(o);
+
+ final int ret = stack.lastIndexOf(srch);
+ if (ret != -1) {
+ return base.size() + ret;
+ }
+
+ return base.lastIndexOf(srch);
+ }
+
+ @Nonnull
+ @Override
+ public UnmodifiableIterator<PathArgument> iterator() {
return new IteratorImpl(base, stack);
}
private static final class IteratorImpl extends UnmodifiableIterator<PathArgument> {
- private final Iterator<StackedYangInstanceIdentifier> stack;
+ private final Iterator<PathArgument> stack;
private final Iterator<PathArgument> base;
- IteratorImpl(final YangInstanceIdentifier base, final Collection<StackedYangInstanceIdentifier> stack) {
- this.base = base.getPathArguments().iterator();
+ IteratorImpl(final Iterable<PathArgument> base, final Iterable<PathArgument> stack) {
+ this.base = base.iterator();
this.stack = stack.iterator();
}
if (base.hasNext()) {
return base.next();
}
- return stack.next().getLastPathArgument();
+ return stack.next();
}
}
}