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60 lines
1.2 KiB
60 lines
1.2 KiB
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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package codetoanalyze.java.checkers;
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import com.facebook.infer.annotation.ReturnsOwnership;
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import javax.annotation.concurrent.ThreadSafe;
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// no races should be reported here
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// abstract getThis should get a default summary returning conditional ownership
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@ThreadSafe
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abstract class Component {
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abstract static class Builder<T extends Builder<T>> {
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abstract T getThis();
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private int i;
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public T set(int i) {
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this.i = i;
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return getThis();
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}
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public T background() {
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return getThis();
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}
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@ReturnsOwnership
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abstract Component build();
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}
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}
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@ThreadSafe
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class Column extends Component {
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static Component onCreateLayoutOk() {
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Component.Builder<?> builder = ColumnBuilder.create().background();
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return builder.set(0).build();
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}
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static class ColumnBuilder extends Component.Builder<ColumnBuilder> {
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static ColumnBuilder create() {
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return new ColumnBuilder();
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}
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@Override
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ColumnBuilder getThis() {
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return this;
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}
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@Override
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Column build() {
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return new Column();
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}
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}
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}
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