Package io.permazen.core

Class CompositeIndex

java.lang.Object

io.permazen.core.SchemaItem

io.permazen.core.Index

io.permazen.core.CompositeIndex

public class CompositeIndex
extends Index

A composite index on two or more fields in an ObjType.

Method Summary

Modifier and Type	Method	Description
AbstractCoreIndex<ObjId>	getIndex(Transaction tx)	Get this index's view of the given transaction.
String	toString()
<R> R	visit(IndexSwitch<R> target)	Apply visitor pattern.

Methods inherited from class io.permazen.core.Index

genericize, getEncodings, getFields, getKey, getKey, getObjType, isComposite

Methods inherited from class io.permazen.core.SchemaItem

getName, getSchema, getSchemaId, getStorageId

Methods inherited from class java.lang.Object

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

Method Details

visit

public <R> R visit(IndexSwitch<R> target)

Description copied from class: Index

Apply visitor pattern.

Specified by:

visit in class Index

Type Parameters:

R - visitor return type

Parameters:

target - target to invoke

Returns:

return value from the method of target corresponding to this instance's type

toString

public String toString()

Overrides:

toString in class Index

getIndex

public AbstractCoreIndex<ObjId> getIndex(Transaction tx)

Description copied from class: Index

Get this index's view of the given transaction.

Specified by:

getIndex in class Index

Parameters:

tx - transaction

Returns:

view of this index in tx