EvictionConfig (Hazelcast Root 3.12.9 API)

java.lang.Object
- com.hazelcast.config.EvictionConfig

All Implemented Interfaces:

EvictionConfiguration, DataSerializable, Serializable

Direct Known Subclasses:

CacheEvictionConfig, EvictionConfigReadOnly
```
public class EvictionConfig
extends Object
implements EvictionConfiguration, DataSerializable, Serializable
```
Configuration for eviction. You can set a limit for number of entries or total memory cost of entries.
The default values of the eviction configuration are
- EvictionPolicy.LRU as eviction policy
- EvictionConfig.MaxSizePolicy.ENTRY_COUNT as max size policy
- 2147483647 as maximum size for on-heap IMap
- 10000 as maximum size for all other data structures and configurations
See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class EvictionConfig.MaxSizePolicy
Maximum Size Policy

Nested Classes
Modifier and Type	Class and Description
`static class`	`EvictionConfig.MaxSizePolicy` Maximum Size Policy

Field Summary

Fields
Modifier and Type	Field and Description
`protected EvictionPolicyComparator`	`comparator`
`protected String`	`comparatorClassName`
`static EvictionPolicy`	`DEFAULT_EVICTION_POLICY` Default Eviction Policy.
`static int`	`DEFAULT_MAX_ENTRY_COUNT` Default maximum entry count.
`static int`	`DEFAULT_MAX_ENTRY_COUNT_FOR_ON_HEAP_MAP` Default maximum entry count for Map on-heap Near Caches.
`static EvictionConfig.MaxSizePolicy`	`DEFAULT_MAX_SIZE_POLICY` Default Max-Size Policy.
`protected EvictionPolicy`	`evictionPolicy`
`protected EvictionConfig.MaxSizePolicy`	`maxSizePolicy`
`protected EvictionConfig`	`readOnly`
`protected int`	`size`

Constructor Summary

Constructors
Constructor and Description
`EvictionConfig()`
`EvictionConfig(EvictionConfig config)`
`EvictionConfig(int size, EvictionConfig.MaxSizePolicy maxSizePolicy, EvictionPolicy evictionPolicy)`
`EvictionConfig(int size, EvictionConfig.MaxSizePolicy maxSizePolicy, EvictionPolicyComparator comparator)`
`EvictionConfig(int size, EvictionConfig.MaxSizePolicy maxSizePolicy, String comparatorClassName)`

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`boolean`	`equals(Object o)`
`EvictionConfig`	`getAsReadOnly()` Deprecated. this method will be removed in 4.0; it is meant for internal usage only
`EvictionPolicyComparator`	`getComparator()` Returns the instance of the configured `EvictionPolicyComparator` implementation.
`String`	`getComparatorClassName()` Returns the class name of the configured `EvictionPolicyComparator` implementation.
`EvictionPolicy`	`getEvictionPolicy()` Returns the `EvictionPolicy` of this eviction configuration.
`EvictionPolicyType`	`getEvictionPolicyType()` Deprecated. since 3.9, please use `getEvictionPolicy()`
`EvictionStrategyType`	`getEvictionStrategyType()` Returns the `EvictionStrategyType` of this eviction configuration.
`EvictionConfig.MaxSizePolicy`	`getMaximumSizePolicy()` Returns the `EvictionConfig.MaxSizePolicy` of this eviction configuration.
`int`	`getSize()` Returns the size which is used by the `EvictionConfig.MaxSizePolicy`.
`int`	`hashCode()`
`void`	`readData(ObjectDataInput in)` Reads fields from the input stream
`EvictionConfig`	`setComparator(EvictionPolicyComparator comparator)` Sets the instance of the configured `EvictionPolicyComparator` implementation.
`EvictionConfig`	`setComparatorClassName(String comparatorClassName)` Sets the class name of the configured `EvictionPolicyComparator` implementation.
`EvictionConfig`	`setEvictionPolicy(EvictionPolicy evictionPolicy)` Sets the `EvictionPolicy` of this eviction configuration.
`EvictionConfig`	`setMaximumSizePolicy(EvictionConfig.MaxSizePolicy maxSizePolicy)` Sets the `EvictionConfig.MaxSizePolicy` of this eviction configuration.
`EvictionConfig`	`setSize(int size)` Sets the size which is used by the `EvictionConfig.MaxSizePolicy`.
`String`	`toString()`
`void`	`writeData(ObjectDataOutput out)` Writes object fields to output stream

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - DEFAULT_MAX_ENTRY_COUNT
```
public static final int DEFAULT_MAX_ENTRY_COUNT
```
    Default maximum entry count.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_MAX_ENTRY_COUNT_FOR_ON_HEAP_MAP
```
public static final int DEFAULT_MAX_ENTRY_COUNT_FOR_ON_HEAP_MAP
```
    Default maximum entry count for Map on-heap Near Caches.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_MAX_SIZE_POLICY
```
public static final EvictionConfig.MaxSizePolicy DEFAULT_MAX_SIZE_POLICY
```
    Default Max-Size Policy.
  - DEFAULT_EVICTION_POLICY
```
public static final EvictionPolicy DEFAULT_EVICTION_POLICY
```
    Default Eviction Policy.
  - size
```
protected int size
```
  - maxSizePolicy
```
protected EvictionConfig.MaxSizePolicy maxSizePolicy
```
  - evictionPolicy
```
protected EvictionPolicy evictionPolicy
```
  - comparatorClassName
```
protected String comparatorClassName
```
  - comparator
```
protected EvictionPolicyComparator comparator
```
  - readOnly
```
protected EvictionConfig readOnly
```
- Constructor Detail
  - EvictionConfig
```
public EvictionConfig()
```
  - EvictionConfig
```
public EvictionConfig(int size,
                      EvictionConfig.MaxSizePolicy maxSizePolicy,
                      EvictionPolicy evictionPolicy)
```
  - EvictionConfig
```
public EvictionConfig(int size,
                      EvictionConfig.MaxSizePolicy maxSizePolicy,
                      String comparatorClassName)
```
  - EvictionConfig
```
public EvictionConfig(int size,
                      EvictionConfig.MaxSizePolicy maxSizePolicy,
                      EvictionPolicyComparator comparator)
```
  - EvictionConfig
```
public EvictionConfig(EvictionConfig config)
```
- Method Detail
  - getAsReadOnly
```
public EvictionConfig getAsReadOnly()
```
    Deprecated. this method will be removed in 4.0; it is meant for internal usage only
    
    Gets immutable version of this configuration.
    
    Returns:
    
    immutable version of this configuration
  - getSize
```
public int getSize()
```
    Returns the size which is used by the EvictionConfig.MaxSizePolicy.
    The interpretation of the value depends on the configured EvictionConfig.MaxSizePolicy.
    
    Returns:
    
    the size which is used by the EvictionConfig.MaxSizePolicy
  - setSize
```
public EvictionConfig setSize(int size)
```
    Sets the size which is used by the EvictionConfig.MaxSizePolicy.
    The interpretation of the value depends on the configured EvictionConfig.MaxSizePolicy.
    Accepts any positive number. The default value is 10000.
    
    Parameters:
    
    size - the size which is used by the EvictionConfig.MaxSizePolicy
    
    Returns:
    
    this EvictionConfig instance
  - getMaximumSizePolicy
```
public EvictionConfig.MaxSizePolicy getMaximumSizePolicy()
```
    Returns the EvictionConfig.MaxSizePolicy of this eviction configuration.
    
    Returns:
    
    the EvictionConfig.MaxSizePolicy of this eviction configuration
  - setMaximumSizePolicy
```
public EvictionConfig setMaximumSizePolicy(EvictionConfig.MaxSizePolicy maxSizePolicy)
```
    Sets the EvictionConfig.MaxSizePolicy of this eviction configuration.
    
    Parameters:
    
    maxSizePolicy - the EvictionConfig.MaxSizePolicy of this eviction configuration
    
    Returns:
    
    this EvictionConfig instance
  - getEvictionPolicy
```
public EvictionPolicy getEvictionPolicy()
```
    Returns the EvictionPolicy of this eviction configuration.
    
    Specified by:
    
    getEvictionPolicy in interface EvictionConfiguration
    
    Returns:
    
    the EvictionPolicy of this eviction configuration
  - setEvictionPolicy
```
public EvictionConfig setEvictionPolicy(EvictionPolicy evictionPolicy)
```
    Sets the EvictionPolicy of this eviction configuration.
    
    Parameters:
    
    evictionPolicy - the EvictionPolicy of this eviction configuration
    
    Returns:
    
    this EvictionConfig instance
  - getEvictionStrategyType
```
public EvictionStrategyType getEvictionStrategyType()
```
    Returns the EvictionStrategyType of this eviction configuration.
    
    Specified by:
    
    getEvictionStrategyType in interface EvictionConfiguration
    
    Returns:
    
    the EvictionStrategyType of this eviction configuration
  - getEvictionPolicyType
```
@Deprecated
public EvictionPolicyType getEvictionPolicyType()
```
    Deprecated. since 3.9, please use getEvictionPolicy()
    
    Returns the EvictionPolicyType of this eviction configuration.
    
    Specified by:
    
    getEvictionPolicyType in interface EvictionConfiguration
    
    Returns:
    
    the EvictionPolicyType of this eviction configuration
  - getComparatorClassName
```
public String getComparatorClassName()
```
    Returns the class name of the configured EvictionPolicyComparator implementation.
    
    Specified by:
    
    getComparatorClassName in interface EvictionConfiguration
    
    Returns:
    
    the class name of the configured EvictionPolicyComparator implementation
  - setComparatorClassName
```
public EvictionConfig setComparatorClassName(String comparatorClassName)
```
    Sets the class name of the configured EvictionPolicyComparator implementation.
    Only one of the comparator class name and comparator can be configured in the eviction configuration.
    
    Parameters:
    
    comparatorClassName - the class name of the configured EvictionPolicyComparator implementation
    
    Returns:
    
    this EvictionConfig instance
  - getComparator
```
public EvictionPolicyComparator getComparator()
```
    Returns the instance of the configured EvictionPolicyComparator implementation.
    
    Specified by:
    
    getComparator in interface EvictionConfiguration
    
    Returns:
    
    the instance of the configured EvictionPolicyComparator implementation
  - setComparator
```
public EvictionConfig setComparator(EvictionPolicyComparator comparator)
```
    Sets the instance of the configured EvictionPolicyComparator implementation.
    Only one of the comparator class name and comparator can be configured in the eviction configuration.
    
    Parameters:
    
    comparator - the instance of the configured EvictionPolicyComparator implementation
    
    Returns:
    
    this EvictionConfig instance
  - writeData
```
public void writeData(ObjectDataOutput out)
               throws IOException
```
    Description copied from interface: DataSerializable
    
    Writes object fields to output stream
    
    Specified by:
    
    writeData in interface DataSerializable
    
    Parameters:
    
    out - output
    
    Throws:
    
    IOException - if an I/O error occurs. In particular, an IOException may be thrown if the output stream has been closed.
  - readData
```
public void readData(ObjectDataInput in)
              throws IOException
```
    Description copied from interface: DataSerializable
    
    Reads fields from the input stream
    
    Specified by:
    
    readData in interface DataSerializable
    
    Parameters:
    
    in - input
    
    Throws:
    
    IOException - if an I/O error occurs. In particular, an IOException may be thrown if the input stream has been closed.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - equals
```
public final boolean equals(Object o)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public final int hashCode()
```
    Overrides:
    
    hashCode in class Object

Class EvictionConfig

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

DEFAULT_MAX_ENTRY_COUNT

DEFAULT_MAX_ENTRY_COUNT_FOR_ON_HEAP_MAP

DEFAULT_MAX_SIZE_POLICY

DEFAULT_EVICTION_POLICY

size

maxSizePolicy

evictionPolicy

comparatorClassName

comparator

readOnly

Constructor Detail

EvictionConfig

EvictionConfig

EvictionConfig

EvictionConfig

EvictionConfig

Method Detail

getAsReadOnly

getSize

setSize

getMaximumSizePolicy

setMaximumSizePolicy

getEvictionPolicy

setEvictionPolicy

getEvictionStrategyType

getEvictionPolicyType

getComparatorClassName

setComparatorClassName

getComparator

setComparator

writeData

readData

toString

equals

hashCode