ClaimCheckRepository (Camel :: API 3.21.3 API)

All Superinterfaces:

AutoCloseable, Service
```
public interface ClaimCheckRepository
extends Service
```
Access to a repository of keys to implement the Claim Check pattern.
The add and contains methods is operating according to the Map contract, and the push and pop methods is operating according to the Stack contract.
See important details about the Claim Check EIP implementation in Apache Camel at org.apache.camel.processor.ClaimCheckProcessor.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`add(String key, Exchange exchange)`	Adds the exchange to the repository.
`void`	`clear()`	Clear the repository.
`boolean`	`contains(String key)`	Returns `true` if this repository contains the specified key.
`Exchange`	`get(String key)`	Gets the exchange from the repository.
`Exchange`	`getAndRemove(String key)`	Gets and removes the exchange from the repository.
`Exchange`	`pop()`	Pops the repository and returns the latest.
`void`	`push(Exchange exchange)`	Pushes the exchange on top of the repository.

Methods inherited from interface org.apache.camel.Service
build, close, init, start, stop

- Method Detail
  - add
```
boolean add(String key,
            Exchange exchange)
```
    Adds the exchange to the repository.
    
    Parameters:
    
    key - the claim check key
    
    Returns:
    
    true if this repository did not already contain the specified key
  - contains
```
boolean contains(String key)
```
    Returns true if this repository contains the specified key.
    
    Parameters:
    
    key - the claim check key
    
    Returns:
    
    true if this repository contains the specified key
  - get
```
Exchange get(String key)
```
    Gets the exchange from the repository.
    
    Parameters:
    
    key - the claim check key
  - getAndRemove
```
Exchange getAndRemove(String key)
```
    Gets and removes the exchange from the repository.
    
    Parameters:
    
    key - the claim check key
    
    Returns:
    
    the removed exchange, or null if the key did not exists.
  - push
```
void push(Exchange exchange)
```
    Pushes the exchange on top of the repository.
  - pop
```
Exchange pop()
```
    Pops the repository and returns the latest. Or returns null if the stack is empty.
  - clear
```
void clear()
```
    Clear the repository.