CachingCalciteSchema.Cached (Apache Calcite API)

Type Parameters:

T - Type of cached object

All Known Implementing Classes:

CachingCalciteSchema.AbstractCached

Enclosing class:

CachingCalciteSchema
```
private static interface CachingCalciteSchema.Cached<T>
```
Strategy for caching the value of an object and re-creating it if its value is out of date as of a given timestamp.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`T`	`build()`	Creates a new value.
`void`	`enable(long now, boolean enabled)`	Called when CalciteSchema caching is enabled or disabled.
`T`	`get(long now)`	Returns the value; uses cached value if valid.

- Method Detail
  - get
```
T get(long now)
```
    Returns the value; uses cached value if valid.
  - build
```
T build()
```
    Creates a new value.
  - enable
```
void enable(long now,
            boolean enabled)
```
    Called when CalciteSchema caching is enabled or disabled.