public class ArrayOfDoublesSerDe extends ArrayOfItemsSerDe<Double>
Constructor and Description |
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ArrayOfDoublesSerDe() |
Modifier and Type | Method and Description |
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Double[] |
deserializeFromMemory(org.apache.datasketches.memory.Memory mem,
int numItems)
Deserialize a contiguous sequence of serialized items from the given Memory
starting at a Memory offset of zero and extending numItems.
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Double[] |
deserializeFromMemory(org.apache.datasketches.memory.Memory mem,
long offsetBytes,
int numItems)
Deserialize a contiguous sequence of serialized items from the given Memory
starting at the given Memory offsetBytes and extending numItems.
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Class<Double> |
getClassOfT()
Returns the concrete class of type T
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byte[] |
serializeToByteArray(Double item)
Serialize a single unserialized item to a byte array.
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byte[] |
serializeToByteArray(Double[] items)
Serialize an array of unserialized items to a byte array of contiguous serialized items.
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int |
sizeOf(Double item)
Returns the serialized size in bytes of a single unserialized item.
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int |
sizeOf(Double[] items)
Returns the serialized size in bytes of the array of items.
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int |
sizeOf(org.apache.datasketches.memory.Memory mem,
long offsetBytes,
int numItems)
Returns the serialized size in bytes of the number of contiguous serialized items in Memory.
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String |
toString(Double item)
Returns a human readable string of an item.
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public byte[] serializeToByteArray(Double item)
ArrayOfItemsSerDe
serializeToByteArray
in class ArrayOfItemsSerDe<Double>
item
- the item to be serializedpublic byte[] serializeToByteArray(Double[] items)
ArrayOfItemsSerDe
serializeToByteArray
in class ArrayOfItemsSerDe<Double>
items
- array of items to be serializedpublic Double[] deserializeFromMemory(org.apache.datasketches.memory.Memory mem, int numItems)
ArrayOfItemsSerDe
deserializeFromMemory
in class ArrayOfItemsSerDe<Double>
mem
- Memory containing a contiguous sequence of serialized itemsnumItems
- number of items in the contiguous serialized sequence.ArrayOfItemsSerDe.deserializeFromMemory(Memory, long, int)
public Double[] deserializeFromMemory(org.apache.datasketches.memory.Memory mem, long offsetBytes, int numItems)
ArrayOfItemsSerDe
deserializeFromMemory
in class ArrayOfItemsSerDe<Double>
mem
- Memory containing a contiguous sequence of serialized itemsoffsetBytes
- the starting offset in the given Memory.numItems
- number of items in the contiguous serialized sequence.public int sizeOf(Double item)
ArrayOfItemsSerDe
sizeOf
in class ArrayOfItemsSerDe<Double>
item
- a specific itempublic int sizeOf(Double[] items)
ArrayOfItemsSerDe
sizeOf
in class ArrayOfItemsSerDe<Double>
items
- an array of items.public int sizeOf(org.apache.datasketches.memory.Memory mem, long offsetBytes, int numItems)
ArrayOfItemsSerDe
sizeOf
in class ArrayOfItemsSerDe<Double>
mem
- the given Memory.offsetBytes
- the starting offset in the given Memory.numItems
- the number of serialized items contained in the Memorypublic String toString(Double item)
ArrayOfItemsSerDe
toString
in class ArrayOfItemsSerDe<Double>
item
- a specific itempublic Class<Double> getClassOfT()
ArrayOfItemsSerDe
getClassOfT
in class ArrayOfItemsSerDe<Double>
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