org.ehcache.config.builders

Class ExpiryPolicyBuilder<K,V>

java.lang.Object

org.ehcache.config.builders.ExpiryPolicyBuilder<K,V>

All Implemented Interfaces:

Builder<ExpiryPolicy<K,V>>

public final class ExpiryPolicyBuilder<K,V>
extends java.lang.Object
implements Builder<ExpiryPolicy<K,V>>

Builder and utilities for getting predefined ExpiryPolicy instances.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ExpiryPolicyBuilder.TriFunction<T,U,V,R>

Method Summary

Modifier and Type	Method and Description
<K2 extends K,V2 extends V> ExpiryPolicyBuilder<K2,V2>	access(java.util.function.BiFunction<K2,java.util.function.Supplier<? extends V2>,java.time.Duration> access) Set a function giving the TTI since last access.
ExpiryPolicyBuilder<K,V>	access(java.time.Duration access) Set TTI since last access.
ExpiryPolicy<K,V>	build() Builds an expiry policy instance.
<K2 extends K,V2 extends V> ExpiryPolicyBuilder<K2,V2>	create(java.util.function.BiFunction<K2,V2,java.time.Duration> create) Set a function giving the TTL since creation.
ExpiryPolicyBuilder<K,V>	create(java.time.Duration create) Set TTL since creation.
static ExpiryPolicyBuilder<java.lang.Object,java.lang.Object>	expiry() Fluent API for creating an ExpiryPolicy instance where you can specify constant values for creation, access and update time.
static ExpiryPolicy<java.lang.Object,java.lang.Object>	noExpiration() Get an ExpiryPolicy instance for a non expiring (ie.
static ExpiryPolicy<java.lang.Object,java.lang.Object>	timeToIdleExpiration(java.time.Duration timeToIdle) Get a time-to-idle (TTI) ExpiryPolicy instance for the given Duration.
static ExpiryPolicy<java.lang.Object,java.lang.Object>	timeToLiveExpiration(java.time.Duration timeToLive) Get a time-to-live (TTL) ExpiryPolicy instance for the given Duration.
ExpiryPolicyBuilder<K,V>	update(java.time.Duration update) Set TTL since last update.
<K2 extends K,V2 extends V> ExpiryPolicyBuilder<K2,V2>	update(ExpiryPolicyBuilder.TriFunction<K2,java.util.function.Supplier<? extends V2>,V2,java.time.Duration> update) Set a function giving the TTL since last update.

Methods inherited from class java.lang.Object

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

Method Detail

noExpiration

public static ExpiryPolicy<java.lang.Object,java.lang.Object> noExpiration()

Get an ExpiryPolicy instance for a non expiring (ie. "eternal") cache.

Returns:

the no expiry instance

timeToLiveExpiration

public static ExpiryPolicy<java.lang.Object,java.lang.Object> timeToLiveExpiration(java.time.Duration timeToLive)

Get a time-to-live (TTL) ExpiryPolicy instance for the given Duration.

Parameters:

timeToLive - the TTL duration

Returns:

a TTL expiry

timeToIdleExpiration

public static ExpiryPolicy<java.lang.Object,java.lang.Object> timeToIdleExpiration(java.time.Duration timeToIdle)

Get a time-to-idle (TTI) ExpiryPolicy instance for the given Duration.

Parameters:

timeToIdle - the TTI duration

Returns:

a TTI expiry

expiry

public static ExpiryPolicyBuilder<java.lang.Object,java.lang.Object> expiry()

Fluent API for creating an ExpiryPolicy instance where you can specify constant values for creation, access and update time. Unspecified values will be set to INFINITE for create and null for access and update, matching the noExpiration() no expiration} expiry.

Returns:

an ExpiryPolicy builder

create

public ExpiryPolicyBuilder<K,V> create(java.time.Duration create)

Set TTL since creation.

Note: Calling this method on a builder with an existing TTL since creation will override the previous value or function.

Parameters:

create - TTL since creation

Returns:

a new builder with the TTL since creation

create

public <K2 extends K,V2 extends V> ExpiryPolicyBuilder<K2,V2> create(java.util.function.BiFunction<K2,V2,java.time.Duration> create)

Set a function giving the TTL since creation.

Note: Calling this method on a builder with an existing TTL since creation will override the previous value or function.

Parameters:

create - Function giving the TTL since creation

Returns:

a new builder with the TTL creation calculation function

access

public ExpiryPolicyBuilder<K,V> access(java.time.Duration access)

Set TTI since last access.

Note: Calling this method on a builder with an existing TTI since last access will override the previous value or function.

Parameters:

access - TTI since last access

Returns:

a new builder with the TTI since last access

access

public <K2 extends K,V2 extends V> ExpiryPolicyBuilder<K2,V2> access(java.util.function.BiFunction<K2,java.util.function.Supplier<? extends V2>,java.time.Duration> access)

Set a function giving the TTI since last access.

Note: Calling this method on a builder with an existing TTI since last access will override the previous value or function.

Parameters:

access - Function giving the TTI since last access

Returns:

a new builder with the TTI since last access calculation function

update

public ExpiryPolicyBuilder<K,V> update(java.time.Duration update)

Set TTL since last update.

Note: Calling this method on a builder with an existing TTL since last access will override the previous value or function.

Parameters:

update - TTL since last update

Returns:

a new builder with the TTL since last update

update

public <K2 extends K,V2 extends V> ExpiryPolicyBuilder<K2,V2> update(ExpiryPolicyBuilder.TriFunction<K2,java.util.function.Supplier<? extends V2>,V2,java.time.Duration> update)

Set a function giving the TTL since last update.

Note: Calling this method on a builder with an existing TTL since last update will override the previous value or function.

Parameters:

update - Function giving the TTL since last update

Returns:

a new builder with the TTL since last update calculation function

build

public ExpiryPolicy<K,V> build()

Builds an expiry policy instance.

Specified by:

build in interface Builder<ExpiryPolicy<K,V>>

Returns:

an ExpiryPolicy