FetchPlanImpl (OpenJPA Parent POM 2.4.1 API)

java.lang.Object
- org.apache.openjpa.persistence.FetchPlanImpl

All Implemented Interfaces:

FetchPlan

Direct Known Subclasses:

JDBCFetchPlanImpl
```
public class FetchPlanImpl
extends Object
implements FetchPlan
```
Implements FetchPlan via delegation to FetchConfiguration.

Since:

0.4.1

Author:

Abe White, Pinaki Poddar

Field Summary

Fields
Modifier and Type	Field and Description
`protected static Map<String,HintValueConverter[]>`	`_hints` Structure holds one or more converters for a user-specified hint value.
`protected static Map<String,List<String>>`	`_precedence` Structure holds ranking of equivalent hint keys.

Fields inherited from interface org.apache.openjpa.persistence.FetchPlan
DEFAULT, DEPTH_INFINITE, GROUP_ALL, GROUP_DEFAULT

Constructor Summary

Constructors
Constructor and Description

FetchPlanImpl(FetchConfiguration fetch)
Constructor; supply delegate.

Constructors
Constructor and Description
`FetchPlanImpl(FetchConfiguration fetch)` Constructor; supply delegate.

Method Summary

Methods
Modifier and Type	Method and Description
`FetchPlan`	`addFetchGroup(String group)` Adds `group` to the set of fetch group to use when loading objects.
`FetchPlan`	`addFetchGroups(Collection groups)` Adds `groups` to the set of fetch group names to use when loading objects.
`FetchPlan`	`addFetchGroups(String... groups)` Adds `groups` to the set of fetch group names to use when loading objects.
`FetchPlan`	`addField(Class cls, String field)` Adds `field` to the set of field names to use when loading objects.
`FetchPlan`	`addField(String field)` Adds `field` to the set of fully-qualified field names to use when loading objects.
`FetchPlan`	`addFields(Class cls, Collection fields)` Adds `fields` to the set of field names to use when loading objects.
`FetchPlan`	`addFields(Class cls, String... fields)` Adds `fields` to the set of field names to use when loading objects.
`FetchPlan`	`addFields(Collection fields)` Adds `fields` to the set of fully-qualified field names to use when loading objects.
`FetchPlan`	`addFields(String... fields)` Adds `fields` to the set of fully-qualified field names to use when loading objects.
`FetchPlan`	`clearFetchGroups()` Clears the set of fetch group names to use wen loading data.
`FetchPlan`	`clearFields()` Clears the set of field names to use wen loading data.
`boolean`	`equals(Object other)`
`DataCacheRetrieveMode`	`getCacheRetrieveMode()` Gets the current retrieve mode for data cache.
`DataCacheStoreMode`	`getCacheStoreMode()` Gets the current storage mode for data cache.
`FetchConfiguration`	`getDelegate()` Delegate.
`boolean`	`getExtendedPathLookup()` Affirms if extended path lookup feature is active.
`int`	`getFetchBatchSize()` Return the fetch batch size for large result set support.
`Collection<String>`	`getFetchGroups()` Returns the names of the fetch groups that this component will use when loading objects.
`Collection<String>`	`getFields()` Returns the fully qualified names of the fields that this component will use when loading objects.
`Object`	`getHint(String key)` Get the hint value for the given key.
`Map<String,Object>`	`getHints()` Get the hints and their values currently set on this receiver.
`PessimisticLockScope`	`getLockScope()` The lock scope to use for locking loaded objects.
`int`	`getLockTimeout()` The number of milliseconds to wait for an object lock, or -1 for no limit.
`int`	`getMaxFetchDepth()` The maximum fetch depth when loading an object.
`boolean`	`getQueryResultCache()`
`boolean`	`getQueryResultCacheEnabled()` Return whether or not query caching is enabled.
`int`	`getQueryTimeout()` The number of milliseconds to wait for a query, or -1 for no limit.
`LockModeType`	`getReadLockMode()` The lock level to use for locking loaded objects.
`LockModeType`	`getWriteLockMode()` The lock level to use for locking dirtied objects.
`boolean`	`hasField(Class cls, String field)` Return true if the given field has been added.
`boolean`	`hasField(String field)` Return true if the given field has been added.
`int`	`hashCode()`
`protected DelegatingFetchConfiguration`	`newDelegatingFetchConfiguration(FetchConfiguration fetch)` Create a new exception-translating delegating fetch configuration.
`protected static void`	`registerHint(String[] keys, HintValueConverter... converters)` Registers a hint key with its value converters.
`FetchPlan`	`removeFetchGroup(String group)` Remove the given fetch group.
`FetchPlan`	`removeFetchGroups(Collection groups)` Removes `groups` from the set of fetch group names to use when loading objects.
`FetchPlan`	`removeFetchGroups(String... groups)` Removes `groups` from the set of fetch group names to use when loading objects.
`FetchPlan`	`removeField(Class cls, String field)` Remove the given field.
`FetchPlan`	`removeField(String field)` Remove the given fully-qualified field.
`FetchPlan`	`removeFields(Class cls, Collection fields)` Removes `fields` from the set of field names to use when loading objects.
`FetchPlan`	`removeFields(Class cls, String... fields)` Removes `fields` from the set of field names to use when loading objects.
`FetchPlan`	`removeFields(Collection fields)` Removes `fields` from the set of fully-qualified field names to use when loading objects.
`FetchPlan`	`removeFields(String... fields)` Removes `fields` from the set of fully-qualified field names to use when loading objects.
`FetchPlan`	`resetFetchGroups()` Resets the set of fetch groups to the list in the global configuration.
`FetchPlan`	`setCacheRetrieveMode(DataCacheRetrieveMode mode)` Sets the current retrieve mode for data cache.
`FetchPlan`	`setCacheStoreMode(DataCacheStoreMode mode)` Sets the current storage mode for data cache.
`FetchPlan`	`setExtendedPathLookup(boolean flag)` Sets extended path lookup feature.
`FetchPlan`	`setFetchBatchSize(int fetchBatchSize)` Set the fetch batch size for large result set support.
`void`	`setHint(String key, Object value)` Sets the hint after converting the value appropriately.
`void`	`setHints(Map<String,Object> hints)`
`FetchPlan`	`setLockScope(PessimisticLockScope scope)` The lock scope to use for locking loaded objects.
`FetchPlan`	`setLockTimeout(int timeout)` The number of milliseconds to wait for an object lock, or -1 for no limit.
`FetchPlan`	`setMaxFetchDepth(int depth)` The maximum fetch depth when loading an object.
`FetchPlan`	`setQueryResultCache(boolean cache)`
`FetchPlan`	`setQueryResultCacheEnabled(boolean cache)` Control whether or not query caching is enabled.
`FetchPlan`	`setQueryTimeout(int timeout)` The number of milliseconds to wait for a query, or -1 for no limit.
`FetchPlan`	`setReadLockMode(LockModeType mode)` The lock level to use for locking loaded objects.
`FetchPlan`	`setWriteLockMode(LockModeType mode)` The lock level to use for locking dirtied objects.

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

- Field Detail
  - _precedence
```
protected static Map<String,List<String>> _precedence
```
    Structure holds ranking of equivalent hint keys. Each entry value is a list of other keys that are higher rank than the entry key.
  - _hints
```
protected static Map<String,HintValueConverter[]> _hints
```
    Structure holds one or more converters for a user-specified hint value.
- Constructor Detail
  - FetchPlanImpl
```
public FetchPlanImpl(FetchConfiguration fetch)
```
    Constructor; supply delegate.
- Method Detail
  - registerHint
```
protected static void registerHint(String[] keys,
                HintValueConverter... converters)
```
    Registers a hint key with its value converters.
    
    Parameters:
    keys - a set of keys in increasing order of ranking. Can not be null or empty.
    converters - array of converters that are attempts in order to convert a user-specified hint value to a value that is consumable by the kernel.
  - newDelegatingFetchConfiguration
```
protected DelegatingFetchConfiguration newDelegatingFetchConfiguration(FetchConfiguration fetch)
```
    Create a new exception-translating delegating fetch configuration.
  - getDelegate
```
public FetchConfiguration getDelegate()
```
    Delegate.
    
    Specified by:
    
    getDelegate in interface FetchPlan
  - getMaxFetchDepth
```
public int getMaxFetchDepth()
```
    Description copied from interface: FetchPlan
    
    The maximum fetch depth when loading an object.
    
    Specified by:
    
    getMaxFetchDepth in interface FetchPlan
  - setMaxFetchDepth
```
public FetchPlan setMaxFetchDepth(int depth)
```
    Description copied from interface: FetchPlan
    
    The maximum fetch depth when loading an object.
    
    Specified by:
    
    setMaxFetchDepth in interface FetchPlan
  - getFetchBatchSize
```
public int getFetchBatchSize()
```
    Description copied from interface: FetchPlan
    
    Return the fetch batch size for large result set support. Defaults to the openjpa.FetchBatchSize setting. Note that this property will be ignored under some data stores.
    
    Specified by:
    
    getFetchBatchSize in interface FetchPlan
  - setFetchBatchSize
```
public FetchPlan setFetchBatchSize(int fetchBatchSize)
```
    Description copied from interface: FetchPlan
    
    Set the fetch batch size for large result set support. Defaults to the openjpa.FetchBatchSize setting. Note that this property will be ignored under some data stores.
    
    Specified by:
    
    setFetchBatchSize in interface FetchPlan
  - getQueryResultCacheEnabled
```
public boolean getQueryResultCacheEnabled()
```
    Description copied from interface: FetchPlan
    
    Return whether or not query caching is enabled. If this returns true but the datacache plugin is not installed, caching will not be enabled. If this returns false, query caching will not be used even if the datacache plugin is installed.
    
    Specified by:
    
    getQueryResultCacheEnabled in interface FetchPlan
  - setQueryResultCacheEnabled
```
public FetchPlan setQueryResultCacheEnabled(boolean cache)
```
    Description copied from interface: FetchPlan
    
    Control whether or not query caching is enabled. This has no effect if the datacache plugin is not installed, or if the query cache size is set to zero.
    
    Specified by:
    
    setQueryResultCacheEnabled in interface FetchPlan
  - getQueryResultCache
```
public boolean getQueryResultCache()
```
    Specified by:
    
    getQueryResultCache in interface FetchPlan
  - setQueryResultCache
```
public FetchPlan setQueryResultCache(boolean cache)
```
    Specified by:
    
    setQueryResultCache in interface FetchPlan
  - getFetchGroups
```
public Collection<String> getFetchGroups()
```
    Description copied from interface: FetchPlan
    
    Returns the names of the fetch groups that this component will use when loading objects. Defaults to the openjpa.FetchGroups setting.
    
    Specified by:
    
    getFetchGroups in interface FetchPlan
  - addFetchGroup
```
public FetchPlan addFetchGroup(String group)
```
    Description copied from interface: FetchPlan
    
    Adds group to the set of fetch group to use when loading objects.
    
    Specified by:
    
    addFetchGroup in interface FetchPlan
  - addFetchGroups
```
public FetchPlan addFetchGroups(String... groups)
```
    Description copied from interface: FetchPlan
    
    Adds groups to the set of fetch group names to use when loading objects.
    
    Specified by:
    
    addFetchGroups in interface FetchPlan
  - addFetchGroups
```
public FetchPlan addFetchGroups(Collection groups)
```
    Description copied from interface: FetchPlan
    
    Adds groups to the set of fetch group names to use when loading objects.
    
    Specified by:
    
    addFetchGroups in interface FetchPlan
  - removeFetchGroup
```
public FetchPlan removeFetchGroup(String group)
```
    Description copied from interface: FetchPlan
    
    Remove the given fetch group.
    
    Specified by:
    
    removeFetchGroup in interface FetchPlan
  - removeFetchGroups
```
public FetchPlan removeFetchGroups(String... groups)
```
    Description copied from interface: FetchPlan
    
    Removes groups from the set of fetch group names to use when loading objects.
    
    Specified by:
    
    removeFetchGroups in interface FetchPlan
  - removeFetchGroups
```
public FetchPlan removeFetchGroups(Collection groups)
```
    Description copied from interface: FetchPlan
    
    Removes groups from the set of fetch group names to use when loading objects.
    
    Specified by:
    
    removeFetchGroups in interface FetchPlan
  - clearFetchGroups
```
public FetchPlan clearFetchGroups()
```
    Description copied from interface: FetchPlan
    
    Clears the set of fetch group names to use wen loading data. After this operation is invoked, only those fields in the default fetch group (and any requested field) will be loaded when loading an object.
    
    Specified by:
    
    clearFetchGroups in interface FetchPlan
  - resetFetchGroups
```
public FetchPlan resetFetchGroups()
```
    Description copied from interface: FetchPlan
    
    Resets the set of fetch groups to the list in the global configuration.
    
    Specified by:
    
    resetFetchGroups in interface FetchPlan
  - getFields
```
public Collection<String> getFields()
```
    Description copied from interface: FetchPlan
    
    Returns the fully qualified names of the fields that this component will use when loading objects. Defaults to the empty set.
    
    Specified by:
    
    getFields in interface FetchPlan
  - hasField
```
public boolean hasField(String field)
```
    Description copied from interface: FetchPlan
    
    Return true if the given field has been added.
    
    Specified by:
    
    hasField in interface FetchPlan
  - hasField
```
public boolean hasField(Class cls,
               String field)
```
    Description copied from interface: FetchPlan
    
    Return true if the given field has been added.
    
    Specified by:
    
    hasField in interface FetchPlan
  - addField
```
public FetchPlan addField(String field)
```
    Description copied from interface: FetchPlan
    
    Adds field to the set of fully-qualified field names to use when loading objects.
    
    Specified by:
    
    addField in interface FetchPlan
  - addField
```
public FetchPlan addField(Class cls,
                 String field)
```
    Description copied from interface: FetchPlan
    
    Adds field to the set of field names to use when loading objects.
    
    Specified by:
    
    addField in interface FetchPlan
  - addFields
```
public FetchPlan addFields(String... fields)
```
    Description copied from interface: FetchPlan
    
    Adds fields to the set of fully-qualified field names to use when loading objects.
    
    Specified by:
    
    addFields in interface FetchPlan
  - addFields
```
public FetchPlan addFields(Class cls,
                  String... fields)
```
    Description copied from interface: FetchPlan
    
    Adds fields to the set of field names to use when loading objects.
    
    Specified by:
    
    addFields in interface FetchPlan
  - addFields
```
public FetchPlan addFields(Collection fields)
```
    Description copied from interface: FetchPlan
    
    Adds fields to the set of fully-qualified field names to use when loading objects.
    
    Specified by:
    
    addFields in interface FetchPlan
  - addFields
```
public FetchPlan addFields(Class cls,
                  Collection fields)
```
    Description copied from interface: FetchPlan
    
    Adds fields to the set of field names to use when loading objects.
    
    Specified by:
    
    addFields in interface FetchPlan
  - removeField
```
public FetchPlan removeField(String field)
```
    Description copied from interface: FetchPlan
    
    Remove the given fully-qualified field.
    
    Specified by:
    
    removeField in interface FetchPlan
  - removeField
```
public FetchPlan removeField(Class cls,
                    String field)
```
    Description copied from interface: FetchPlan
    
    Remove the given field.
    
    Specified by:
    
    removeField in interface FetchPlan
  - removeFields
```
public FetchPlan removeFields(String... fields)
```
    Description copied from interface: FetchPlan
    
    Removes fields from the set of fully-qualified field names to use when loading objects.
    
    Specified by:
    
    removeFields in interface FetchPlan
  - removeFields
```
public FetchPlan removeFields(Class cls,
                     String... fields)
```
    Description copied from interface: FetchPlan
    
    Removes fields from the set of field names to use when loading objects.
    
    Specified by:
    
    removeFields in interface FetchPlan
  - removeFields
```
public FetchPlan removeFields(Collection fields)
```
    Description copied from interface: FetchPlan
    
    Removes fields from the set of fully-qualified field names to use when loading objects.
    
    Specified by:
    
    removeFields in interface FetchPlan
  - removeFields
```
public FetchPlan removeFields(Class cls,
                     Collection fields)
```
    Description copied from interface: FetchPlan
    
    Removes fields from the set of field names to use when loading objects.
    
    Specified by:
    
    removeFields in interface FetchPlan
  - clearFields
```
public FetchPlan clearFields()
```
    Description copied from interface: FetchPlan
    
    Clears the set of field names to use wen loading data. After this operation is invoked, only those fields in the configured fetch groups will be loaded when loading an object.
    
    Specified by:
    
    clearFields in interface FetchPlan
  - getLockTimeout
```
public int getLockTimeout()
```
    Description copied from interface: FetchPlan
    
    The number of milliseconds to wait for an object lock, or -1 for no limit.
    
    Specified by:
    
    getLockTimeout in interface FetchPlan
  - setLockTimeout
```
public FetchPlan setLockTimeout(int timeout)
```
    Description copied from interface: FetchPlan
    
    The number of milliseconds to wait for an object lock, or -1 for no limit.
    
    Specified by:
    
    setLockTimeout in interface FetchPlan
  - getLockScope
```
public PessimisticLockScope getLockScope()
```
    Description copied from interface: FetchPlan
    
    The lock scope to use for locking loaded objects.
    
    Specified by:
    
    getLockScope in interface FetchPlan
  - setLockScope
```
public FetchPlan setLockScope(PessimisticLockScope scope)
```
    Description copied from interface: FetchPlan
    
    The lock scope to use for locking loaded objects.
    
    Specified by:
    
    setLockScope in interface FetchPlan
  - getQueryTimeout
```
public int getQueryTimeout()
```
    Description copied from interface: FetchPlan
    
    The number of milliseconds to wait for a query, or -1 for no limit.
    
    Specified by:
    
    getQueryTimeout in interface FetchPlan
  - setQueryTimeout
```
public FetchPlan setQueryTimeout(int timeout)
```
    Description copied from interface: FetchPlan
    
    The number of milliseconds to wait for a query, or -1 for no limit.
    
    Specified by:
    
    setQueryTimeout in interface FetchPlan
  - getReadLockMode
```
public LockModeType getReadLockMode()
```
    Description copied from interface: FetchPlan
    
    The lock level to use for locking loaded objects.
    
    Specified by:
    
    getReadLockMode in interface FetchPlan
  - setReadLockMode
```
public FetchPlan setReadLockMode(LockModeType mode)
```
    Description copied from interface: FetchPlan
    
    The lock level to use for locking loaded objects.
    
    Specified by:
    
    setReadLockMode in interface FetchPlan
  - getWriteLockMode
```
public LockModeType getWriteLockMode()
```
    Description copied from interface: FetchPlan
    
    The lock level to use for locking dirtied objects.
    
    Specified by:
    
    getWriteLockMode in interface FetchPlan
  - setWriteLockMode
```
public FetchPlan setWriteLockMode(LockModeType mode)
```
    Description copied from interface: FetchPlan
    
    The lock level to use for locking dirtied objects.
    
    Specified by:
    
    setWriteLockMode in interface FetchPlan
  - getExtendedPathLookup
```
public boolean getExtendedPathLookup()
```
    Description copied from interface: FetchPlan
    
    Affirms if extended path lookup feature is active.
    
    Specified by:
    
    getExtendedPathLookup in interface FetchPlan
  - setExtendedPathLookup
```
public FetchPlan setExtendedPathLookup(boolean flag)
```
    Description copied from interface: FetchPlan
    
    Sets extended path lookup feature.
    
    Specified by:
    
    setExtendedPathLookup in interface FetchPlan
  - getHint
```
public Object getHint(String key)
```
    Description copied from interface: FetchPlan
    
    Get the hint value for the given key.
    
    Specified by:
    
    getHint in interface FetchPlan
    
    Returns:
    null if the key has not been set.
  - setHint
```
public void setHint(String key,
           Object value)
```
    Sets the hint after converting the value appropriately. If a higher ranking equivalent hint is already set, then bypasses this hint.
    
    Specified by:
    
    setHint in interface FetchPlan
    
    value - the value of the hint.
  - setHints
```
public void setHints(Map<String,Object> hints)
```
  - getHints
```
public Map<String,Object> getHints()
```
    Description copied from interface: FetchPlan
    
    Get the hints and their values currently set on this receiver.
    
    Specified by:
    
    getHints in interface FetchPlan
    
    Returns:
    empty map if no hint has been set.
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - equals
```
public boolean equals(Object other)
```
    Overrides:
    
    equals in class Object
  - getCacheRetrieveMode
```
public DataCacheRetrieveMode getCacheRetrieveMode()
```
    Description copied from interface: FetchPlan
    
    Gets the current retrieve mode for data cache.
    
    Specified by:
    
    getCacheRetrieveMode in interface FetchPlan
  - getCacheStoreMode
```
public DataCacheStoreMode getCacheStoreMode()
```
    Description copied from interface: FetchPlan
    
    Gets the current storage mode for data cache.
    
    Specified by:
    
    getCacheStoreMode in interface FetchPlan
  - setCacheStoreMode
```
public FetchPlan setCacheStoreMode(DataCacheStoreMode mode)
```
    Description copied from interface: FetchPlan
    
    Sets the current storage mode for data cache.
    
    Specified by:
    
    setCacheStoreMode in interface FetchPlan
  - setCacheRetrieveMode
```
public FetchPlan setCacheRetrieveMode(DataCacheRetrieveMode mode)
```
    Description copied from interface: FetchPlan
    
    Sets the current retrieve mode for data cache.
    
    Specified by:
    
    setCacheRetrieveMode in interface FetchPlan

Class FetchPlanImpl

Field Summary

Fields inherited from interface org.apache.openjpa.persistence.FetchPlan

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

_precedence

_hints

Constructor Detail

FetchPlanImpl

Method Detail

registerHint

newDelegatingFetchConfiguration

getDelegate

getMaxFetchDepth

setMaxFetchDepth

getFetchBatchSize

setFetchBatchSize

getQueryResultCacheEnabled

setQueryResultCacheEnabled

getQueryResultCache

setQueryResultCache

getFetchGroups

addFetchGroup

addFetchGroups

addFetchGroups

removeFetchGroup

removeFetchGroups

removeFetchGroups

clearFetchGroups

resetFetchGroups

getFields

hasField

hasField

addField

addField

addFields

addFields

addFields

addFields

removeField

removeField

removeFields

removeFields

removeFields

removeFields

clearFields

getLockTimeout

setLockTimeout

getLockScope

setLockScope

getQueryTimeout

setQueryTimeout

getReadLockMode

setReadLockMode

getWriteLockMode

setWriteLockMode

getExtendedPathLookup

setExtendedPathLookup

getHint

setHint

setHints

getHints

hashCode

equals

getCacheRetrieveMode

getCacheStoreMode

setCacheStoreMode

setCacheRetrieveMode