org.modeshape.jcr.JcrPropertyIterator Maven / Gradle / Ivy
/*
* ModeShape (http://www.modeshape.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.modeshape.jcr;
import java.util.Collection;
import java.util.Iterator;
import javax.jcr.Property;
import javax.jcr.PropertyIterator;
import org.modeshape.common.annotation.NotThreadSafe;
import org.modeshape.common.util.CheckArg;
/**
* ModeShape implementation of a {@link PropertyIterator}.
*/
@NotThreadSafe
final class JcrPropertyIterator implements PropertyIterator {
private final Iterator extends Property> iterator;
private int ndx;
private int size;
JcrPropertyIterator( Collection extends Property> properties ) {
assert properties != null;
iterator = properties.iterator();
size = properties.size();
}
@Override
public long getPosition() {
return ndx;
}
@Override
public long getSize() {
return size;
}
@Override
public boolean hasNext() {
return iterator.hasNext();
}
@Override
public Object next() {
return nextProperty();
}
@Override
public Property nextProperty() {
Property next = iterator.next();
ndx++;
return next;
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
@Override
public void skip( long count ) {
CheckArg.isNonNegative(count, "count");
while (--count >= 0) {
nextProperty();
}
}
}
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