CodeSystemCacheAdapter (IBM FHIR Server)

java.lang.Object
- com.ibm.fhir.persistence.jdbc.dao.impl.CodeSystemCacheAdapter

All Implemented Interfaces:

ICodeSystemCache
```
public class CodeSystemCacheAdapter
extends Object
implements ICodeSystemCache
```
Adapter to provide access to cached code system values managed by the ParameterDAO implementation.

Constructor Summary

Constructors
Constructor Description

CodeSystemCacheAdapter(ParameterDAO delegate)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`readOrAddCodeSystem(String codeSystem)`	Reads the id associated with the name of the passed Parameter from the code_systems table.

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

- Constructor Detail
  - CodeSystemCacheAdapter
```
public CodeSystemCacheAdapter(ParameterDAO delegate)
```
- Method Detail
  - readOrAddCodeSystem
```
public int readOrAddCodeSystem(String codeSystem)
                        throws FHIRPersistenceException
```
    Description copied from interface: ICodeSystemCache
    
    Reads the id associated with the name of the passed Parameter from the code_systems table. If the id for the passed name is not present in the database, an id is generated, persisted, and returned. This is done in a thread-safe way
    
    Specified by:
    
    readOrAddCodeSystem in interface ICodeSystemCache
    
    Parameters:
    
    codeSystem - A valid FHIR search parameter name.
    
    Returns:
    
    the id associated with the name of the passed Parameter.
    
    Throws:
    
    FHIRPersistenceException