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22 * or visit www.oracle.com if you need additional information or have any |
22 * or visit www.oracle.com if you need additional information or have any |
23 * questions. |
23 * questions. |
24 */ |
24 */ |
25 package java.util.function; |
25 package java.util.function; |
26 |
26 |
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27 import java.util.Objects; |
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28 |
27 /** |
29 /** |
28 * An operation which accepts a single long argument and returns no result. |
30 * An operation which accepts a single long argument and returns no result. |
29 * This is the {@code long}-consuming primitive type specialization of |
31 * This is the {@code long}-consuming primitive type specialization of |
30 * {@link Consumer}. Unlike most other functional interfaces, {@code LongConsumer} |
32 * {@link Consumer}. Unlike most other functional interfaces, {@code LongConsumer} |
31 * is expected to operate via side-effects. |
33 * is expected to operate via side-effects. |
39 /** |
41 /** |
40 * Accept an input value. |
42 * Accept an input value. |
41 * |
43 * |
42 * @param value the input value |
44 * @param value the input value |
43 */ |
45 */ |
44 public void accept(long value); |
46 void accept(long value); |
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47 |
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48 /** |
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49 * Returns a {@code LongConsumer} which performs, in sequence, the operation |
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50 * represented by this object followed by the operation represented by |
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51 * another {@code LongConsumer}. |
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52 * |
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53 * <p>Any exceptions thrown by either {@code accept} method are relayed |
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54 * to the caller; if performing this operation throws an exception, the |
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55 * other operation will not be performed. |
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56 * |
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57 * @param other a LongConsumer which will be chained after this |
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58 * LongConsumer |
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59 * @return a LongConsumer which performs in sequence the {@code accept} method |
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60 * of this LongConsumer and the {@code accept} method of the specified LongConsumer |
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61 * operation |
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62 * @throws NullPointerException if other is null |
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63 */ |
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64 default LongConsumer chain(LongConsumer other) { |
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65 Objects.requireNonNull(other); |
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66 return (long t) -> { accept(t); other.accept(t); }; |
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67 } |
45 } |
68 } |