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Java Module java.base Package java.util.concurrent.locks Class AbstractOwnableSynchronizer（JDK11）

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Module java.base
Package java.util.concurrent.locks

Class AbstractOwnableSynchronizer

  • All Implemented Interfaces:
    Serializable
    Direct Known Subclasses:
    AbstractQueuedLongSynchronizer, AbstractQueuedSynchronizer
    public abstract class AbstractOwnableSynchronizer
extends Object
implements Serializable
    A synchronizer that may be exclusively owned by a thread. This class provides a basis for creating locks and related synchronizers that may entail a notion of ownership. The AbstractOwnableSynchronizer class itself does not manage or use this information. However, subclasses and tools may use appropriately maintained values to help control and monitor access and provide diagnostics.
    Since:
    1.6
    See Also:
    Serialized Form

    • Constructor Detail

      • AbstractOwnableSynchronizer

        protected AbstractOwnableSynchronizer()
        Empty constructor for use by subclasses.

    • Method Detail

      • setExclusiveOwnerThread

        protected final void setExclusiveOwnerThread​(Thread thread)
        Sets the thread that currently owns exclusive access. A null argument indicates that no thread owns access. This method does not otherwise impose any synchronization or volatile field accesses.
        Parameters:
        thread - the owner thread

      • getExclusiveOwnerThread

        protected final Thread getExclusiveOwnerThread()
        Returns the thread last set by setExclusiveOwnerThread, or null if never set. This method does not otherwise impose any synchronization or volatile field accesses.
        Returns:
        the owner thread

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