com.arangodb.model

Class PersistentIndexOptions

java.lang.Object

com.arangodb.model.IndexOptions<PersistentIndexOptions>

com.arangodb.model.PersistentIndexOptions

public final class PersistentIndexOptions
extends IndexOptions<PersistentIndexOptions>

Author:

Mark Vollmary

See Also:

API Documentation

Constructor Summary

Constructors

Constructor and Description
PersistentIndexOptions()

Method Summary

Modifier and Type	Method and Description
PersistentIndexOptions	cacheEnabled(Boolean cacheEnabled)
PersistentIndexOptions	deduplicate(Boolean deduplicate)
PersistentIndexOptions	estimates(Boolean estimates)
Boolean	getCacheEnabled()
Boolean	getDeduplicate()
Boolean	getEstimates()
Iterable<String>	getFields()
Boolean	getSparse()
Collection<String>	getStoredValues()
IndexType	getType()
Boolean	getUnique()
PersistentIndexOptions	sparse(Boolean sparse)
PersistentIndexOptions	storedValues(String... storedValues)
PersistentIndexOptions	unique(Boolean unique)

Methods inherited from class com.arangodb.model.IndexOptions

getInBackground, getName, inBackground, name

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistentIndexOptions

public PersistentIndexOptions()

Method Detail

getFields

public Iterable<String> getFields()

getType

public IndexType getType()

getUnique

public Boolean getUnique()

unique

public PersistentIndexOptions unique(Boolean unique)

Parameters:

unique - if true, then create a unique index

Returns:

options

getSparse

public Boolean getSparse()

sparse

public PersistentIndexOptions sparse(Boolean sparse)

Parameters:

sparse - if true, then create a sparse index

Returns:

options

getDeduplicate

public Boolean getDeduplicate()

deduplicate

public PersistentIndexOptions deduplicate(Boolean deduplicate)

Parameters:

deduplicate - if false, the deduplication of array values is turned off. Default: true

Returns:

options

estimates

public PersistentIndexOptions estimates(Boolean estimates)

Parameters:

estimates - This attribute controls whether index selectivity estimates are maintained for the index. Default: true

Since:

ArangoDB 3.8

getEstimates

public Boolean getEstimates()

cacheEnabled

public PersistentIndexOptions cacheEnabled(Boolean cacheEnabled)

Parameters:

cacheEnabled - enables in-memory caching of index entries

Returns:

options

Since:

ArangoDB 3.10

getCacheEnabled

public Boolean getCacheEnabled()

getStoredValues

public Collection<String> getStoredValues()

storedValues

public PersistentIndexOptions storedValues(String... storedValues)

Parameters:

storedValues - (optional) array of paths to additional attributes to store in the index. These additional attributes cannot be used for index lookups or for sorting, but they can be used for projections. This allows an index to fully cover more queries and avoid extra document lookups. The maximum number of attributes in `storedValues` is 32.

Returns:

options