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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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package jsr166x; |
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final ReentrantLock lock = LinkedBlockingDeque.this.lock; |
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lock.lock(); |
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try { |
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next = (next == null)? first : next.next; |
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nextItem = (next == null)? null : next.item; |
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next = (next == null) ? first : next.next; |
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nextItem = (next == null) ? null : next.item; |
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} finally { |
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lock.unlock(); |
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} |