com.sap.cds.mtx.impl

Class MetaDataAccessorImpl<M>

java.lang.Object

com.sap.cds.mtx.impl.MetaDataAccessorImpl<M>

Type Parameters:

M - Type used for the Edmx model

All Implemented Interfaces:

MetaDataAccessor<M>

public class MetaDataAccessorImpl<M>
extends Object
implements MetaDataAccessor<M>

Class that provides access to CDS and Edmx models and caches them

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	MetaDataAccessorImpl.EdmxModelCreator<M>

Constructor Summary

Constructors

Constructor and Description
MetaDataAccessorImpl(SidecarAccess sidecarAccess, CacheParams cacheParams, MetaDataAccessorImpl.EdmxModelCreator<M> strToEdmx, com.google.common.base.Ticker cacheTicker)

Method Summary

Modifier and Type	Method and Description
void	evict(String tenantId)
CdsModel	getCdsModel(ModelId key, int maxAgeSeconds)
M	getEdmx(ModelId key, int maxAgeSeconds)
void	refresh(String tenantId, int maxAgeSeconds)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.sap.cds.mtx.MetaDataAccessor

getCdsModel, getEdmx, refresh

Constructor Detail

MetaDataAccessorImpl

public MetaDataAccessorImpl(SidecarAccess sidecarAccess,
                            CacheParams cacheParams,
                            MetaDataAccessorImpl.EdmxModelCreator<M> strToEdmx,
                            com.google.common.base.Ticker cacheTicker)

Parameters:

sidecarAccess - Object of type SidecarAccessthat provides access to the node.js application sidecar/mtx via a rest API

cacheParams - Parameters that control size and lifecycle of cache for cds and edmx models

strToEdmx - Function that converts an edmx model description given as string into an edmx model

cacheTicker - Optional ticker used by guava cache for testing purposes, use null for productive use

Method Detail

getCdsModel

public CdsModel getCdsModel(ModelId key,
                            int maxAgeSeconds)

Specified by:

getCdsModel in interface MetaDataAccessor<M>

getEdmx

public M getEdmx(ModelId key,
                 int maxAgeSeconds)
          throws CdsException

Specified by:

getEdmx in interface MetaDataAccessor<M>

Throws:

CdsException

evict

public void evict(String tenantId)

Specified by:

evict in interface MetaDataAccessor<M>

refresh

public void refresh(String tenantId,
                    int maxAgeSeconds)

Specified by:

refresh in interface MetaDataAccessor<M>