com.sap.cds.mt.TenantAwareCdsDataStoreConnector Maven / Gradle / Ivy

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There is a newer version: 3.3.1

/*
 * ----------------------------------------------------------------
 * © 2019-2021 SAP SE or an SAP affiliate company. All rights reserved.
 * ----------------------------------------------------------------
 *
 */

package com.sap.cds.mt;

import com.sap.cds.CdsDataStore;
import com.sap.cds.CdsDataStoreConnector;
import com.sap.cds.CdsException;
import com.sap.cds.SessionContext;
import com.sap.cds.reflect.CdsModel;

import java.util.function.Supplier;

public class TenantAwareCdsDataStoreConnector implements CdsDataStoreConnector {
	private final CdsDataStoreLookup cdsDataStoreLookup;
	private final Supplier tenantProvider;

	public TenantAwareCdsDataStoreConnector(CdsDataStoreLookup cdsDataStoreLookup, Supplier tenantProvider) {
		this.cdsDataStoreLookup = cdsDataStoreLookup;
		this.tenantProvider = tenantProvider;
	}

	@Override
	public CdsDataStore connect() throws CdsException {
		return getConnector().connect();
	}

	@Override
	public CdsModel reflect() throws CdsException {
		return getConnector().reflect();
	}

	private CdsDataStoreConnector getConnector() {
		cdsDataStoreLookup.evictIfOutDated(tenantProvider.get());
		return cdsDataStoreLookup.getCdsDataStoreConnector(tenantProvider.get());
	}

	@Override
	public CdsDataStore connect(SessionContext session) {
		return getConnector().connect(session);
	}

	@Override
	public Capabilities capabilities() {
		return getConnector().capabilities();
	}
}