com.jcabi.dynamo.retry.ReIterator Maven / Gradle / Ivy
/**
* Copyright (c) 2012-2017, jcabi.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met: 1) Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer. 2) Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution. 3) Neither the name of the jcabi.com nor
* the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jcabi.dynamo.retry;
import com.jcabi.aspects.Loggable;
import com.jcabi.aspects.RetryOnFailure;
import com.jcabi.aspects.Tv;
import java.util.Iterator;
import java.util.NoSuchElementException;
import java.util.concurrent.TimeUnit;
import lombok.EqualsAndHashCode;
import lombok.ToString;
/**
* Frame that retries on failure.
*
* @author Yegor Bugayenko ([email protected])
* @version $Id: 2d913a4c7f35a97b1de30ff55c221ce3c8d64829 $
* @since 0.9
* @param Type of items
*/
@ToString
@EqualsAndHashCode(of = "origin")
@Loggable(Loggable.DEBUG)
public final class ReIterator implements Iterator {
/**
* Original iterator.
*/
private final transient Iterator origin;
/**
* Public ctor.
* @param iterator Origin iterator
*/
public ReIterator(final Iterator iterator) {
this.origin = iterator;
}
@Override
@RetryOnFailure(verbose = false, delay = Tv.FIVE, unit = TimeUnit.SECONDS)
public boolean hasNext() {
return this.origin.hasNext();
}
@Override
@RetryOnFailure
(
verbose = false, delay = Tv.FIVE, unit = TimeUnit.SECONDS,
ignore = NoSuchElementException.class
)
public T next() {
return this.origin.next();
}
@Override
@RetryOnFailure(verbose = false, delay = Tv.FIVE, unit = TimeUnit.SECONDS)
public void remove() {
this.origin.remove();
}
}