wisp-lease/wisp.lease/AutoCloseableLease

AutoCloseableLease

class AutoCloseableLease @JvmOverloads constructor(lease: Lease, lazy: Boolean = false) : Lease, AutoCloseable

Converts a lease into an AutoCloseable resource.

Constructors

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@JvmOverloads
constructor(lease: Lease, lazy: Boolean = false)

Properties

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open override val name: String

Functions

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open override fun acquire(): Boolean

Attempts to acquire the lock on the lease. If the lock was not already held and the lock was successfully obtained, listeners should be notified.

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open override fun addListener(listener: Lease.StateChangeListener)

Registers a listener that is called on lease state changes.

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open override fun close()
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open override fun isHeld(): Boolean

Check if this process owns the lease.

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open override fun release(): Boolean

Release the lock on the lease. This will return true if released. Note that it will return false if the lease was not held. Listeners should be notified before the lock is released.

open override fun release(lazy: Boolean): Boolean

Release the lock on the lease, with the option of doing it lazily if possible. This should return false if the lease was not held or if the release is lazy. Listeners should be notified before the lock is released.

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open override fun shouldHold(): Boolean

Check if this process should own the lease. For example, if a lease is first-come first-serve, then this process should try to own the lease, whereas a lease that uses consistent hashing should try to own if and only if it is assigned the lease.