/*
* Copyright 2013 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.internal.changedetection.changes;
import com.google.common.collect.Sets;
import org.gradle.api.Action;
import org.gradle.api.tasks.incremental.InputFileDetails;
import java.io.File;
import java.util.Set;
abstract class StatefulIncrementalTaskInputs implements IncrementalTaskInputsInternal {
private final Set<File> discoveredInputs;
private boolean outOfDateProcessed;
private boolean removedProcessed;
protected StatefulIncrementalTaskInputs() {
this.discoveredInputs = Sets.newHashSet();
}
public void outOfDate(final Action<? super InputFileDetails> outOfDateAction) {
if (outOfDateProcessed) {
throw new IllegalStateException("Cannot process outOfDate files multiple times");
}
doOutOfDate(outOfDateAction);
outOfDateProcessed = true;
}
protected abstract void doOutOfDate(Action<? super InputFileDetails> outOfDateAction);
public void removed(Action<? super InputFileDetails> removedAction) {
if (!outOfDateProcessed) {
throw new IllegalStateException("Must first process outOfDate files before processing removed files");
}
if (removedProcessed) {
throw new IllegalStateException("Cannot process removed files multiple times");
}
doRemoved(removedAction);
removedProcessed = true;
}
protected abstract void doRemoved(Action<? super InputFileDetails> removedAction);
@Override
public void newInput(File discoveredInput) {
discoveredInputs.add(discoveredInput);
}
@Override
public Set<File> getDiscoveredInputs() {
return discoveredInputs;
}
}