/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.runtime.core.internal.streaming.object;
import org.mule.runtime.api.streaming.CursorProvider;
import org.mule.runtime.api.streaming.object.CursorIterator;
import org.mule.runtime.api.streaming.object.CursorIteratorProvider;
import org.mule.runtime.core.internal.streaming.CursorContext;
import org.mule.runtime.core.internal.streaming.CursorManager;
import org.mule.runtime.core.internal.streaming.ManagedCursorProvider;
import java.io.IOException;
import java.util.function.Consumer;
/**
* {@link ManagedCursorProvider} implementation for {@link CursorIteratorProvider} instances
*
* @since 4.0
*/
public class ManagedCursorIteratorProvider extends ManagedCursorProvider<CursorIterator> implements CursorIteratorProvider {
/**
* {@inheritDoc}
*/
public ManagedCursorIteratorProvider(CursorContext cursorContext, CursorManager cursorManager) {
super(cursorContext, cursorManager);
}
/**
* {@inheritDoc}
*/
@Override
protected CursorIterator managedCursor(CursorIterator cursor, CursorContext handle) {
return new ManagedCursorIterator(cursor, handle);
}
private class ManagedCursorIterator<T> implements CursorIterator<T> {
private final CursorIterator<T> delegate;
private final CursorContext cursorContext;
private ManagedCursorIterator(CursorIterator<T> delegate, CursorContext cursorContext) {
this.delegate = delegate;
this.cursorContext = cursorContext;
}
@Override
public void close() throws IOException {
try {
delegate.close();
} finally {
getCursorManager().onClose(delegate, cursorContext);
}
}
@Override
public boolean hasNext() {
return delegate.hasNext();
}
@Override
public T next() {
return delegate.next();
}
@Override
public void remove() {
delegate.remove();
}
@Override
public void forEachRemaining(Consumer<? super T> action) {
delegate.forEachRemaining(action);
}
@Override
public long getPosition() {
return delegate.getPosition();
}
@Override
public void seek(long position) throws IOException {
delegate.seek(position);
}
@Override
public void release() {
delegate.release();
}
@Override
public boolean isReleased() {
return delegate.isReleased();
}
@Override
public CursorProvider getProvider() {
return delegate.getProvider();
}
@Override
public int getSize() {
return delegate.getSize();
}
}
}