atlas-core
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atlas-core/com.netflix.atlas.core/com.netflix.atlas.core.model/SparseBlock

SparseBlock

com.netflix.atlas.core.model.SparseBlock
See theSparseBlock companion object
case class SparseBlock(start: Long, indexes: Array[Byte], values: Array[Double]) extends Block

A block optimized for storing a small set of discrete values.

Value parameters

indexes

stores the index into the values array for each slot in the block

start

start time for the block (epoch in milliseconds)

values

set of distinct values

Attributes

Companion
object
Graph
Supertypes
trait Serializable
trait Product
trait Equals
trait Block
class Object
trait Matchable
class Any
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Members list

Value members

Concrete methods

def canEqual(other: Any): Boolean
override def equals(other: Any): Boolean

Compares the receiver object (this) with the argument object (that) for equivalence.

Compares the receiver object (this) with the argument object (that) for equivalence.

Any implementation of this method should be an equivalence relation:

  • It is reflexive: for any instance x of type Any, x.equals(x) should return true.
  • It is symmetric: for any instances x and y of type Any, x.equals(y) should return true if and only if y.equals(x) returns true.
  • It is transitive: for any instances x, y, and z of type Any if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.

If you override this method, you should verify that your implementation remains an equivalence relation. Additionally, when overriding this method it is usually necessary to override hashCode to ensure that objects which are "equal" (o1.equals(o2) returns true) hash to the same scala.Int. (o1.hashCode.equals(o2.hashCode)).

Value parameters

that

the object to compare against this object for equality.

Attributes

Returns

true if the receiver object is equivalent to the argument; false otherwise.

Definition Classes
Equals -> Any
def get(pos: Int): Double

Return the value for a given position in the block. All implementations should make this a constant time operation.

Return the value for a given position in the block. All implementations should make this a constant time operation.

Value parameters

pos

position to read, value should be in the interval [0,size).

Attributes

override def hashCode: Int

Calculates a hash code value for the object.

Calculates a hash code value for the object.

The default hashing algorithm is platform dependent.

Note that it is allowed for two objects to have identical hash codes (o1.hashCode.equals(o2.hashCode)) yet not be equal (o1.equals(o2) returns false). A degenerate implementation could always return 0. However, it is required that if two objects are equal (o1.equals(o2) returns true) that they have identical hash codes (o1.hashCode.equals(o2.hashCode)). Therefore, when overriding this method, be sure to verify that the behavior is consistent with the equals method.

Attributes

Returns

the hash code value for this object.

Definition Classes
Any
def size: Int

Number of data points to store in the block.

Number of data points to store in the block.

Attributes

override def toString: String

Returns a string representation of the object.

Returns a string representation of the object.

The default representation is platform dependent.

Attributes

Returns

a string representation of the object.

Definition Classes
Any

Inherited methods

def get(pos: Int, aggr: Int): Double

Return the value for a given position in the block. All implementations should make this a constant time operation. The default implementation assumes a single value.

Return the value for a given position in the block. All implementations should make this a constant time operation. The default implementation assumes a single value.

Value parameters

aggr

the aggregate value to read from the block

pos

position to read, value should be in the interval [0,size).

Attributes

Inherited from:
Block
def productElementNames: Iterator[String]

Attributes

Inherited from:
Product
def productIterator: Iterator[Any]

Attributes

Inherited from:
Product
def sizeOf(value: Any): Int

Used to get a quick estimate of the size of numeric primatives and arrays of numeric primitives.

Used to get a quick estimate of the size of numeric primatives and arrays of numeric primitives.

Attributes

Inherited from:
Block
def toArrayBlock: ArrayBlock

Returns a copy of the block as a simple array-backed block.

Returns a copy of the block as a simple array-backed block.

Attributes

Inherited from:
Block

Concrete fields

val byteCount: Int

Number of bytes required to store this block in a simple binary representation.

Number of bytes required to store this block in a simple binary representation.

Attributes

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