Package alluxio.worker.block

Class AllocateOptions

  • public class AllocateOptions
extends java.lang.Object
    Used to specify various options while allocating space.

    • Method Detail

      • forCreate

        public static AllocateOptions forCreate​(long sizeBytes,
                                        BlockStoreLocation location)
        Creates default allocation options for block create request. - Locations is not strict - Evicting on destination is allowed
        Parameters:
        sizeBytes - size of allocation
        location - location of allocation
        Returns:
        the allocation object initialized with defaults for create

      • forRequestSpace

        public static AllocateOptions forRequestSpace​(long sizeBytes,
                                              BlockStoreLocation location)
        Creates default allocation options for requesting more space for a block. - Locations is strict - Evicting on destination is allowed
        Parameters:
        sizeBytes - size of allocation
        location - location of allocation
        Returns:
        the allocation object initialized with defaults for requesting space

      • forTierMove

        public static AllocateOptions forTierMove​(BlockStoreLocation location)
        Creates default allocation options for moving a block during tier-move task. - Locations is strict - Evicting on destination is disallowed
        Parameters:
        location - location of allocation
        Returns:
        the allocation object initialized with defaults for moving

      • forMove

        public static AllocateOptions forMove​(BlockStoreLocation location)
        Creates default allocation options for moving a block by a client request. - Locations is strict - Evicting on destination is allowed
        Parameters:
        location - location of allocation
        Returns:
        the allocation object initialized with defaults for moving

      • setLocation

        public AllocateOptions setLocation​(BlockStoreLocation location)
        Sets the allocation location.
        Parameters:
        location - the allocation location
        Returns:
        the updated options

      • setSize

        public AllocateOptions setSize​(long size)
        Sets the allocation size.
        Parameters:
        size - the allocation size in bytes
        Returns:
        the updated options

      • setForceLocation

        public AllocateOptions setForceLocation​(boolean forceLocation)
        Sets value for whether to enforce location of allocation.
        Parameters:
        forceLocation - force location
        Returns:
        the updated options

      • setEvictionAllowed

        public AllocateOptions setEvictionAllowed​(boolean evictionAllowed)
        Sets value for whether eviction is allowed for allocation.
        Parameters:
        evictionAllowed - eviction allowed
        Returns:
        the updated options

      • setUseReservedSpace

        public AllocateOptions setUseReservedSpace​(boolean useReservedSpace)
        Sets value for whether this allocation can use reserved space.
        Parameters:
        useReservedSpace - use reserved space
        Returns:
        the updated options

      • getLocation

        public BlockStoreLocation getLocation()
        Returns:
        the location of allocation

      • getSize

        public long getSize()
        Returns:
        the size of allocation

      • isForceLocation

        public boolean isForceLocation()
        Returns:
        whether location is to be enforced

      • isEvictionAllowed

        public boolean isEvictionAllowed()
        Returns:
        whether eviction is allowed for allocation

      • canUseReservedSpace

        public boolean canUseReservedSpace()
        Returns:
        whether this allocation can use reserved space

      • equals

        public boolean equals​(java.lang.Object o)
        Overrides:
        equals in class java.lang.Object

      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class java.lang.Object

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object