AbstractIndexManager.DataIndex (JCMS API)

java.lang.Object
- com.jalios.jcms.AbstractIndexManager.DataIndex<D,C>

Type Parameters:

D - the data type for which index is being created

C - the type of collection stored

Direct Known Subclasses:

AbstractIndexManager.DataIndexMap, AbstractIndexManager.DataIndexSet

Enclosing class:

AbstractIndexManager
```
public static class AbstractIndexManager.DataIndex<D extends Data,C>
extends java.lang.Object
```
Collection to store previoulsy computed information associated to Data and DBData

Since:

9.0.3 - JCMS-5258

Field Summary

Fields
Modifier and Type Field Description

protected java.util.Map<D,C> dataMap

protected java.util.Map<java.lang.String,C> dbDataMap

Constructor Summary

Constructors
Constructor Description

DataIndex()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`clear()`
`protected D`	`getOriginalData(D data)`
`protected C`	`putIndexCollection(D data, C collection)`	Put the collection to use for the specified data
`protected C`	`removeIndexCollection(D data)`	Removes the mapping for a key from this map if it is present (optional operation).

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

- Field Detail
  - dataMap
```
protected java.util.Map<D extends Data,C> dataMap
```
  - dbDataMap
```
protected java.util.Map<java.lang.String,C> dbDataMap
```
- Constructor Detail
  - DataIndex
```
public DataIndex()
```
- Method Detail
  - putIndexCollection
```
protected C putIndexCollection(D data,
                               C collection)
```
    Put the collection to use for the specified data
    
    Parameters:
    
    data - the data for which the Index is being modified
    
    collection - the collection to associate to the data (must not be null)
    
    Returns:
    
    the previous collection associated with data, or null if there was no mapping for data.
  - removeIndexCollection
```
protected C removeIndexCollection(D data)
```
    Removes the mapping for a key from this map if it is present (optional operation).
    
    Parameters:
    
    data - the data for which the Index is being removed
    
    Returns:
    
    the previous value associated with key, or null if there was no mapping for key
  - getOriginalData
```
protected D getOriginalData(D data)
```
  - clear
```
public void clear()
```