ResponseContext.AbstractKey (druid-processing 28.0.0 API)

java.lang.Object
- org.apache.druid.query.context.ResponseContext.AbstractKey

All Implemented Interfaces:

ResponseContext.Key

Direct Known Subclasses:

ResponseContext.BooleanKey, ResponseContext.CounterKey, ResponseContext.LongKey, ResponseContext.StringKey

Enclosing class:

ResponseContext
```
public abstract static class ResponseContext.AbstractKey
extends Object
implements ResponseContext.Key
```
Abstract key class which provides most functionality except the type-specific merge logic. Parsing is provided by an associated parse function.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`canDrop()`	Returns true if this key can be removed to reduce header size when the header would otherwise be too large.
`String`	`getName()`
`boolean`	`includeInHeader()`	Whether to return the key, value pair in the response header.
`Object`	`readValue(com.fasterxml.jackson.core.JsonParser jp)`	Reads a value of this key from a JSON stream.
`String`	`toString()`

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

Methods inherited from interface org.apache.druid.query.context.ResponseContext.Key
mergeValues

- Method Detail
  - getName
```
public String getName()
```
    Specified by:
    
    getName in interface ResponseContext.Key
  - includeInHeader
```
public boolean includeInHeader()
```
    Description copied from interface: ResponseContext.Key
    
    Whether to return the key, value pair in the response header. If false, the value is for internal use only.
    
    Specified by:
    
    includeInHeader in interface ResponseContext.Key
  - canDrop
```
public boolean canDrop()
```
    Description copied from interface: ResponseContext.Key
    
    Returns true if this key can be removed to reduce header size when the header would otherwise be too large.
    
    Specified by:
    
    canDrop in interface ResponseContext.Key
  - readValue
```
public Object readValue(com.fasterxml.jackson.core.JsonParser jp)
```
    Description copied from interface: ResponseContext.Key
    
    Reads a value of this key from a JSON stream. Used by ResponseContextDeserializer.
    
    Specified by:
    
    readValue in interface ResponseContext.Key
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object