/*
* Copyright 2016 the original author or authors.
*
* 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.gradle.api.reporting.components.internal;
import com.google.common.collect.Sets;
import org.gradle.reporting.ReportRenderer;
import java.io.IOException;
import java.util.Set;
public class TrackingReportRenderer<T, E> extends ReportRenderer<T, E> {
private final Set<T> items = Sets.newHashSet();
private final ReportRenderer<? super T, ? super E> delegate;
public TrackingReportRenderer(ReportRenderer<? super T, ? super E> delegate) {
this.delegate = delegate;
}
public Set<T> getItems() {
return items;
}
@Override
public void render(T model, E output) throws IOException {
if (items.add(model)) {
delegate.render(model, output);
}
}
}