QueryCacheConfig (Hazelcast Root 5.1 API)

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

All Implemented Interfaces:

DataSerializable, IdentifiedDataSerializable, com.hazelcast.nio.serialization.impl.Versioned
```
public class QueryCacheConfig
extends Object
implements IdentifiedDataSerializable, com.hazelcast.nio.serialization.impl.Versioned
```
Contains configuration for QueryCache.

Since:

3.5

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`DEFAULT_BATCH_SIZE` By default, after reaching this minimum size, node immediately sends buffered events to `QueryCache`.
`static int`	`DEFAULT_BUFFER_SIZE` By default, only buffer last `DEFAULT_BUFFER_SIZE` events fired from a partition.
`static boolean`	`DEFAULT_COALESCE` Default value of coalesce property.
`static int`	`DEFAULT_DELAY_SECONDS` Default value of delay seconds which an event wait in the buffer of a node, before sending to `QueryCache`.
`static InMemoryFormat`	`DEFAULT_IN_MEMORY_FORMAT` By default, hold values of entries in `QueryCache` as binary.
`static boolean`	`DEFAULT_INCLUDE_VALUE` By default, also cache values of entries besides keys.
`static boolean`	`DEFAULT_POPULATE` By default, execute an initial population query prior to creation of the `QueryCache`.
`static boolean`	`DEFAULT_SERIALIZE_KEYS` Do not serialize given keys by default.

Constructor Summary

Constructors
Constructor and Description

QueryCacheConfig()

QueryCacheConfig(QueryCacheConfig other)

QueryCacheConfig(String name)

Constructors
Constructor and Description
`QueryCacheConfig()`
`QueryCacheConfig(QueryCacheConfig other)`
`QueryCacheConfig(String name)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`QueryCacheConfig`	`addEntryListenerConfig(EntryListenerConfig listenerConfig)` Adds `EntryListenerConfig` to this `QueryCacheConfig`.
`QueryCacheConfig`	`addIndexConfig(IndexConfig indexConfig)`
`boolean`	`equals(Object o)`
`int`	`getBatchSize()` After reaching this size, node sends buffered events to `QueryCache`.
`int`	`getBufferSize()` Returns the maximum number of events which can be stored in a buffer of partition.
`int`	`getClassId()` Returns type identifier for this class.
`int`	`getDelaySeconds()` Returns the minimum number of delay seconds which an event waits in the buffer of node before sending to a `QueryCache`
`List<EntryListenerConfig>`	`getEntryListenerConfigs()`
`EvictionConfig`	`getEvictionConfig()` Returns `EvictionConfig` instance for this `QueryCache`
`int`	`getFactoryId()` Returns DataSerializableFactory factory ID for this class.
`List<IndexConfig>`	`getIndexConfigs()`
`InMemoryFormat`	`getInMemoryFormat()` Returns memory format of values of entries in `QueryCache`.
`String`	`getName()` Returns the name of `QueryCache`.
`PredicateConfig`	`getPredicateConfig()` Returns the predicate of `QueryCache`.
`int`	`hashCode()`
`boolean`	`isCoalesce()` Returns `true` if coalescing is is enabled, otherwise returns `false`.
`boolean`	`isIncludeValue()` Returns `true` if value caching enabled, otherwise returns `false`.
`boolean`	`isPopulate()` Returns `true` if initial population of `QueryCache` is enabled, otherwise returns `false`.
`boolean`	`isSerializeKeys()` Checks if the `QueryCache` key is stored in serialized format or by-reference.
`void`	`readData(ObjectDataInput in)` Reads fields from the input stream
`QueryCacheConfig`	`setBatchSize(int batchSize)` Sets the batch size which will be used to determine number of events to be sent in a batch to `QueryCache`
`QueryCacheConfig`	`setBufferSize(int bufferSize)` Sets the maximum number of events which can be stored in a buffer of partition.
`QueryCacheConfig`	`setCoalesce(boolean coalesce)` Set `true` to enable coalescing, otherwise set `false`.
`QueryCacheConfig`	`setDelaySeconds(int delaySeconds)` Sets the minimum number of delay seconds which an event waits in the buffer of node before sending to a `QueryCache`
`QueryCacheConfig`	`setEntryListenerConfigs(List<EntryListenerConfig> listenerConfigs)`
`QueryCacheConfig`	`setEvictionConfig(EvictionConfig evictionConfig)` Sets the `EvictionConfig` instance for this `QueryCache`
`QueryCacheConfig`	`setIncludeValue(boolean includeValue)` Set `true` to enable value caching, otherwise set `false`
`QueryCacheConfig`	`setIndexConfigs(List<IndexConfig> indexConfigs)`
`QueryCacheConfig`	`setInMemoryFormat(InMemoryFormat inMemoryFormat)` Sets memory format of values of entries in `QueryCache`.
`QueryCacheConfig`	`setName(String name)` Sets the name of `QueryCache`.
`QueryCacheConfig`	`setPopulate(boolean populate)` Set `true` to enable initial population, otherwise set `false`.
`QueryCacheConfig`	`setPredicateConfig(PredicateConfig predicateConfig)` Sets the predicate of `QueryCache`.
`QueryCacheConfig`	`setSerializeKeys(boolean serializeKeys)` Sets if the `QueryCache` key is stored in serialized format or by-reference.
`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_BATCH_SIZE
```
public static final int DEFAULT_BATCH_SIZE
```
    By default, after reaching this minimum size, node immediately sends buffered events to QueryCache.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_BUFFER_SIZE
```
public static final int DEFAULT_BUFFER_SIZE
```
    By default, only buffer last DEFAULT_BUFFER_SIZE events fired from a partition.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_DELAY_SECONDS
```
public static final int DEFAULT_DELAY_SECONDS
```
    Default value of delay seconds which an event wait in the buffer of a node, before sending to QueryCache.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_INCLUDE_VALUE
```
public static final boolean DEFAULT_INCLUDE_VALUE
```
    By default, also cache values of entries besides keys.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_POPULATE
```
public static final boolean DEFAULT_POPULATE
```
    By default, execute an initial population query prior to creation of the QueryCache.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_COALESCE
```
public static final boolean DEFAULT_COALESCE
```
    Default value of coalesce property.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_SERIALIZE_KEYS
```
public static final boolean DEFAULT_SERIALIZE_KEYS
```
    Do not serialize given keys by default.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_IN_MEMORY_FORMAT
```
public static final InMemoryFormat DEFAULT_IN_MEMORY_FORMAT
```
    By default, hold values of entries in QueryCache as binary.
- Constructor Detail
  - QueryCacheConfig
```
public QueryCacheConfig()
```
  - QueryCacheConfig
```
public QueryCacheConfig(String name)
```
  - QueryCacheConfig
```
public QueryCacheConfig(QueryCacheConfig other)
```
- Method Detail
  - getName
```
public String getName()
```
    Returns the name of QueryCache.
    
    Returns:
    
    the name of QueryCache
  - setName
```
public QueryCacheConfig setName(String name)
```
    Sets the name of QueryCache.
    
    Parameters:
    
    name - the name of QueryCache
    
    Returns:
    
    this QueryCacheConfig instance
  - getPredicateConfig
```
public PredicateConfig getPredicateConfig()
```
    Returns the predicate of QueryCache.
    
    Returns:
    
    the predicate of QueryCache
  - setPredicateConfig
```
public QueryCacheConfig setPredicateConfig(PredicateConfig predicateConfig)
```
    Sets the predicate of QueryCache.
    
    Parameters:
    
    predicateConfig - config for predicate
    
    Returns:
    
    this QueryCacheConfig instance
  - getBatchSize
```
public int getBatchSize()
```
    After reaching this size, node sends buffered events to QueryCache.
    
    Returns:
    
    the batch size
  - setBatchSize
```
public QueryCacheConfig setBatchSize(int batchSize)
```
    Sets the batch size which will be used to determine number of events to be sent in a batch to QueryCache
    
    Parameters:
    
    batchSize - the batch size
    
    Returns:
    
    this QueryCacheConfig instance
  - getBufferSize
```
public int getBufferSize()
```
    Returns the maximum number of events which can be stored in a buffer of partition.
    
    Returns:
    
    the maximum number of events which can be stored in a buffer of partition
  - setBufferSize
```
public QueryCacheConfig setBufferSize(int bufferSize)
```
    Sets the maximum number of events which can be stored in a buffer of partition.
    
    Parameters:
    
    bufferSize - the buffer size
    
    Returns:
    
    this QueryCacheConfig instance
  - getDelaySeconds
```
public int getDelaySeconds()
```
    Returns the minimum number of delay seconds which an event waits in the buffer of node before sending to a QueryCache
    
    Returns:
    
    delay seconds
  - setDelaySeconds
```
public QueryCacheConfig setDelaySeconds(int delaySeconds)
```
    Sets the minimum number of delay seconds which an event waits in the buffer of node before sending to a QueryCache
    
    Parameters:
    
    delaySeconds - the delay seconds
    
    Returns:
    
    this QueryCacheConfig instance
  - getInMemoryFormat
```
public InMemoryFormat getInMemoryFormat()
```
    Returns memory format of values of entries in QueryCache.
    Default value is binary.
    
    Returns:
    
    memory format of values of entries in QueryCache
  - setInMemoryFormat
```
public QueryCacheConfig setInMemoryFormat(InMemoryFormat inMemoryFormat)
```
    Sets memory format of values of entries in QueryCache.
    Default value is binary.
    
    Parameters:
    
    inMemoryFormat - the memory format
    
    Returns:
    
    this QueryCacheConfig instance
  - isIncludeValue
```
public boolean isIncludeValue()
```
    Returns true if value caching enabled, otherwise returns false.
    Default value is true.
    
    Returns:
    
    true if value caching enabled, otherwise returns false
  - setIncludeValue
```
public QueryCacheConfig setIncludeValue(boolean includeValue)
```
    Set true to enable value caching, otherwise set false
    Default value is true.
    
    Parameters:
    
    includeValue - Set true if value caching is enabled, otherwise set false
    
    Returns:
    
    this QueryCacheConfig instance
  - isPopulate
```
public boolean isPopulate()
```
    Returns true if initial population of QueryCache is enabled, otherwise returns false.
    Default value is true.
    
    Returns:
    
    true if initial population of QueryCache is enabled, otherwise returns false
  - setPopulate
```
public QueryCacheConfig setPopulate(boolean populate)
```
    Set true to enable initial population, otherwise set false.
    Default value is true.
    
    Parameters:
    
    populate - set true to enable initial population, otherwise set false
    
    Returns:
    
    this QueryCacheConfig instance
  - isCoalesce
```
public boolean isCoalesce()
```
    Returns true if coalescing is is enabled, otherwise returns false.
    Default value is false.
    
    Returns:
    
    true if coalescing is is enabled, otherwise returns false
    
    See Also:
    
    setCoalesce(boolean)
  - setCoalesce
```
public QueryCacheConfig setCoalesce(boolean coalesce)
```
    Set true to enable coalescing, otherwise set false. This setting is only valid if QueryCacheConfig#delaySeconds is greater than 0.
    Default value is false.
    
    Parameters:
    
    coalesce - set true to enable, otherwise set false
  - isSerializeKeys
```
public boolean isSerializeKeys()
```
    Checks if the QueryCache key is stored in serialized format or by-reference.
    
    Returns:
    
    true if the key is stored in serialized format, false if the key is stored by-reference
  - setSerializeKeys
```
public QueryCacheConfig setSerializeKeys(boolean serializeKeys)
```
    Sets if the QueryCache key is stored in serialized format or by-reference.
    
    Parameters:
    
    serializeKeys - true if the key is stored in serialized format, false if stored by-reference
    
    Returns:
    
    this QueryCacheConfig instance
  - getEvictionConfig
```
public EvictionConfig getEvictionConfig()
```
    Returns EvictionConfig instance for this QueryCache
    
    Returns:
    
    the EvictionConfig instance for this QueryCache
  - setEvictionConfig
```
public QueryCacheConfig setEvictionConfig(EvictionConfig evictionConfig)
```
    Sets the EvictionConfig instance for this QueryCache
    
    Parameters:
    
    evictionConfig - the EvictionConfig instance for eviction configuration to set
    
    Returns:
    
    this QueryCacheConfig instance
  - addEntryListenerConfig
```
public QueryCacheConfig addEntryListenerConfig(EntryListenerConfig listenerConfig)
```
    Adds EntryListenerConfig to this QueryCacheConfig.
    
    Parameters:
    
    listenerConfig - the EntryListenerConfig to add
    
    Returns:
    
    this QueryCacheConfig instance
  - getEntryListenerConfigs
```
public List<EntryListenerConfig> getEntryListenerConfigs()
```
  - setEntryListenerConfigs
```
public QueryCacheConfig setEntryListenerConfigs(List<EntryListenerConfig> listenerConfigs)
```
  - addIndexConfig
```
public QueryCacheConfig addIndexConfig(IndexConfig indexConfig)
```
  - getIndexConfigs
```
public List<IndexConfig> getIndexConfigs()
```
  - setIndexConfigs
```
public QueryCacheConfig setIndexConfigs(List<IndexConfig> indexConfigs)
```
  - getFactoryId
```
public int getFactoryId()
```
    Description copied from interface: IdentifiedDataSerializable
    
    Returns DataSerializableFactory factory ID for this class.
    
    Specified by:
    
    getFactoryId in interface IdentifiedDataSerializable
    
    Returns:
    
    factory ID
  - getClassId
```
public int getClassId()
```
    Description copied from interface: IdentifiedDataSerializable
    
    Returns type identifier for this class. It should be unique per DataSerializableFactory.
    
    Specified by:
    
    getClassId in interface IdentifiedDataSerializable
    
    Returns:
    
    type ID
  - 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.
  - equals
```
public final boolean equals(Object o)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public final int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class QueryCacheConfig

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

DEFAULT_BATCH_SIZE

DEFAULT_BUFFER_SIZE

DEFAULT_DELAY_SECONDS

DEFAULT_INCLUDE_VALUE

DEFAULT_POPULATE

DEFAULT_COALESCE

DEFAULT_SERIALIZE_KEYS

DEFAULT_IN_MEMORY_FORMAT

Constructor Detail

QueryCacheConfig

QueryCacheConfig

QueryCacheConfig

Method Detail

getName

setName

getPredicateConfig

setPredicateConfig

getBatchSize

setBatchSize

getBufferSize

setBufferSize

getDelaySeconds

setDelaySeconds

getInMemoryFormat

setInMemoryFormat

isIncludeValue

setIncludeValue

isPopulate

setPopulate

isCoalesce

setCoalesce

isSerializeKeys

setSerializeKeys

getEvictionConfig

setEvictionConfig

addEntryListenerConfig

getEntryListenerConfigs

setEntryListenerConfigs

addIndexConfig

getIndexConfigs

setIndexConfigs

getFactoryId

getClassId

writeData

readData

equals

hashCode

toString