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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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 com.intellij.util;
import com.intellij.concurrency.AsyncFuture;
import com.intellij.concurrency.AsyncFutureFactory;
import com.intellij.concurrency.AsyncFutureResult;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
/**
* @author max
*/
public class ArrayQuery<T> implements Query<T> {
private final T[] myArray;
public ArrayQuery(@NotNull T... array) {
myArray = array;
}
@Override
@NotNull
public Collection<T> findAll() {
return Arrays.asList(myArray);
}
@Override
public T findFirst() {
return myArray.length > 0 ? myArray[0] : null;
}
@Override
public boolean forEach(@NotNull final Processor<T> consumer) {
return ContainerUtil.process(myArray, consumer);
}
@NotNull
@Override
public AsyncFuture<Boolean> forEachAsync(@NotNull final Processor<T> consumer) {
final AsyncFutureResult<Boolean> result = AsyncFutureFactory.getInstance().createAsyncFutureResult();
try {
result.set(forEach(consumer));
} catch (Throwable t){
result.setException(t);
}
return result;
}
@NotNull
@Override
public T[] toArray(@NotNull final T[] a) {
return myArray;
}
@Override
public Iterator<T> iterator() {
return Arrays.asList(myArray).iterator();
}
}
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