org.drools.impl.adapters.QueryResultsAdapter Maven / Gradle / Ivy
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The Drools and jBPM public API which is backwards compatible between releases.
package org.drools.impl.adapters;
import org.drools.runtime.rule.QueryResults;
import org.drools.runtime.rule.QueryResultsRow;
import java.util.Iterator;
public class QueryResultsAdapter implements QueryResults {
private final org.kie.api.runtime.rule.QueryResults delegate;
public QueryResultsAdapter(org.kie.api.runtime.rule.QueryResults delegate) {
this.delegate = delegate;
}
public String[] getIdentifiers() {
return delegate.getIdentifiers();
}
public Iterator iterator() {
return new QueryResultsRowIterator(delegate.iterator());
}
public int size() {
return delegate.size();
}
private static final class QueryResultsRowIterator implements Iterator {
private final Iterator delegate;
private QueryResultsRowIterator(Iterator delegate) {
this.delegate = delegate;
}
@Override
public boolean hasNext() {
return delegate.hasNext();
}
@Override
public QueryResultsRow next() {
return new QueryResultsRowAdapter(delegate.next());
}
@Override
public void remove() {
delegate.remove();
}
}
@Override
public int hashCode() {
return delegate.hashCode();
}
@Override
public boolean equals(Object obj) {
return obj instanceof QueryResultsAdapter && delegate.equals(((QueryResultsAdapter)obj).delegate);
}
}
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