@Override
    public void set(final WebContext context, final String key, final Object value) {
        generateIdIfNecessary();
        store.put(computePrefixedKey(key), value);
    }
Mock a session store in memory.

@author Jerome Leleu
@since 1.9.0
pac4j-core/src/test/java/org/pac4j/core/context/session/MockSessionStore.java