org.semanticweb.elk.util.collections

Class CapacityBalancingEvictor.ProtectedBuilder<B extends CapacityBalancingEvictor.ProtectedBuilder<B>>

java.lang.Object

org.semanticweb.elk.util.collections.RecencyEvictor.ProtectedBuilder<B>

org.semanticweb.elk.util.collections.CapacityBalancingEvictor.ProtectedBuilder<B>

Direct Known Subclasses:

CapacityBalancingEvictor.Builder

Enclosing class:

CapacityBalancingEvictor<E>

protected abstract static class CapacityBalancingEvictor.ProtectedBuilder<B extends CapacityBalancingEvictor.ProtectedBuilder<B>>
extends RecencyEvictor.ProtectedBuilder<B>

Field Summary

Fields

Modifier and Type	Field and Description
protected double	balance_
protected int	balanceAfterNRepeatedQueries_
static double	DEFAULT_BALANCE
static int	DEFAULT_BALANCE_AFTER_N_REPEATED_QUERIES

Fields inherited from class org.semanticweb.elk.util.collections.RecencyEvictor.ProtectedBuilder

capacity_, DEFAULT_CAPACITY, DEFAULT_LOAD_FACTOR, loadFactor_

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ProtectedBuilder()

Method Summary

Modifier and Type	Method and Description
B	balance(double balance) Capacity should be set so that this proportion of repeatedly added elements that should be not evicted.
B	balanceAfterNRepeatedQueries(int balanceAfterNRepeatedQueries) The capacity is balanced in the intervals of the provided number of additions.
<E> Evictor<E>	build()
protected abstract B	convertThis()

Methods inherited from class org.semanticweb.elk.util.collections.RecencyEvictor.ProtectedBuilder

capacity, loadFactor

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_BALANCE

public static final double DEFAULT_BALANCE

See Also:

Constant Field Values

DEFAULT_BALANCE_AFTER_N_REPEATED_QUERIES

public static final int DEFAULT_BALANCE_AFTER_N_REPEATED_QUERIES

See Also:

Constant Field Values

balance_

protected double balance_

balanceAfterNRepeatedQueries_

protected int balanceAfterNRepeatedQueries_

Constructor Detail

ProtectedBuilder

protected ProtectedBuilder()

Method Detail

balance

public B balance(double balance)
          throws IllegalArgumentException

Capacity should be set so that this proportion of repeatedly added elements that should be not evicted. Must be between 0 and 1 inclusive.

If not supplied, defaults to DEFAULT_BALANCE.

Parameters:

balance - the proportion of elements that should be not evicted

Returns:

This builder.

Throws:

IllegalArgumentException - When the argument is not between 0 and 1 inclusive.

balanceAfterNRepeatedQueries

public B balanceAfterNRepeatedQueries(int balanceAfterNRepeatedQueries)
                               throws IllegalArgumentException

The capacity is balanced in the intervals of the provided number of additions. Must be positive.

If not supplied, defaults to DEFAULT_BALANCE_AFTER_N_REPEATED_QUERIES.

Parameters:

balanceAfterNRepeatedQueries - the number of repeated queries after which to balance the capacity

Returns:

This builder.

Throws:

IllegalArgumentException - If the value is not positive.

build

public <E> Evictor<E> build()

Overrides:

build in class RecencyEvictor.ProtectedBuilder<B extends CapacityBalancingEvictor.ProtectedBuilder<B>>

convertThis

protected abstract B convertThis()

Specified by:

convertThis in class RecencyEvictor.ProtectedBuilder<B extends CapacityBalancingEvictor.ProtectedBuilder<B>>