Schemas.DummyDataContext (Apache Calcite API)

java.lang.Object
- org.apache.calcite.schema.Schemas.DummyDataContext

All Implemented Interfaces:

DataContext

Enclosing class:

Schemas
```
private static class Schemas.DummyDataContext
extends java.lang.Object
implements DataContext
```
Dummy data context that has no variables.

Nested Class Summary
- Nested classes/interfaces inherited from interface org.apache.calcite.DataContext
  DataContext.Variable

Field Summary

Fields
Modifier and Type	Field	Description
`private CalciteConnection`	`connection`
`private com.google.common.collect.ImmutableMap<java.lang.String,java.lang.Object>`	`map`
`private SchemaPlus`	`rootSchema`

Fields inherited from interface org.apache.calcite.DataContext
ROOT

Constructor Summary

Constructors
Constructor Description

DummyDataContext(CalciteConnection connection, SchemaPlus rootSchema)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Object`	`get(java.lang.String name)`	Returns a context variable.
`QueryProvider`	`getQueryProvider()`	Returns the query provider.
`SchemaPlus`	`getRootSchema()`	Returns a sub-schema with a given name, or null.
`JavaTypeFactory`	`getTypeFactory()`	Returns the type factory.

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

- Field Detail
  - connection
```
private final CalciteConnection connection
```
  - rootSchema
```
private final SchemaPlus rootSchema
```
  - map
```
private final com.google.common.collect.ImmutableMap<java.lang.String,java.lang.Object> map
```
- Constructor Detail
  - DummyDataContext
```
DummyDataContext(CalciteConnection connection,
                 SchemaPlus rootSchema)
```
- Method Detail
  - getRootSchema
```
public SchemaPlus getRootSchema()
```
    Description copied from interface: DataContext
    
    Returns a sub-schema with a given name, or null.
    
    Specified by:
    
    getRootSchema in interface DataContext
  - getTypeFactory
```
public JavaTypeFactory getTypeFactory()
```
    Description copied from interface: DataContext
    
    Returns the type factory.
    
    Specified by:
    
    getTypeFactory in interface DataContext
  - getQueryProvider
```
public QueryProvider getQueryProvider()
```
    Description copied from interface: DataContext
    
    Returns the query provider.
    
    Specified by:
    
    getQueryProvider in interface DataContext
  - get
```
public java.lang.Object get(java.lang.String name)
```
    Description copied from interface: DataContext
    
    Returns a context variable.
    Supported variables include: "sparkContext", "currentTimestamp", "localTimestamp".
    
    Specified by:
    
    get in interface DataContext
    
    Parameters:
    
    name - Name of variable