Examples of speculoos.core.Mapper

speculoos.core.Mapper
Base interface for operation on mappers. This is where most of the work is done. Conceptually, a mapper may be viewed as a function that takes an object as input, does some computation with side-effects in a given environnement, and returns a result as output object. From the point of view of the client, the fact that a mapper encapsulates communication with persistent storage medium is irrelevant.
Execution of method map occurs in a certain environment (eg. a Map) that is made of a global environment provided by the manager this mapper is part of (see fr.norsys.mapper.manager.Manage and fr.norsys.mapper.manager.Configure) and by a local environment that is passed as the second parameter of method map. The base contract is that variables defined in the local environment have precedence over values defined in the global environment.

It is a resposibility of the map implementor to ensure this contract is enforced with each call to method map.

     * 
     * @throws MapperConfigurationException
     */
    public void test02Reset() throws MapperConfigurationException {
        /* configure */
        Mapper m = (Mapper) mockmapper.proxy();
        Source s = (Source) mocksrc.proxy();
        mockmapper.expects(atLeastOnce()).method("getName");
configure.addMapper("map", m);
        configure.addSource("source", s);
        configure.addParameter("toto", "toto");

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            fail(e.getLocalizedMessage());
        }
    }
    
    public void test22NoMapperLink() throws MapperConfigurationException {
        Mapper m = (Mapper) mockmapper.proxy();
        Source s = (Source) mocksrc.proxy();
        configure.addSource("source", s);
        try {
            configure.link("map", "source");
            fail("Should have thrown mapper exception");

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        } catch (MapperConfigurationException e) {
//OK
            }
    }
    public void test23NoSourceLink() throws MapperConfigurationException {
        Mapper m = (Mapper) mockmapper.proxy();
        Source s = (Source) mocksrc.proxy();
        configure.addMapper("map", m);
        try {
            configure.link("map", "source");
            fail("Should have thrown mapper exception");

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     */
    public Mapper getMapper(String name) throws MapperException {
        if (!configured || !ready)
            throw new MapperConfigurationException(
                    "Manager is not ready to operate.");
        Mapper mapper = (Mapper) mappers.get(name);
        if (mapper == null)
            throw new MapperConfigurationException("No mapper named " + name
                    + " in this manager");
        /* configure mapper through source */
        Source src = (Source) mapperToSource.get(mapper.getName());
        if (src == null)
            throw new MapperConfigurationException(
                    "No source is associated with mapper " + name);
        /* delegate preparation */
        Mapper niou = src.create(name, environment);
        return niou;
    }

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     * @see speculoos.core.core.Configure#link(java.lang.String,
     *      java.lang.String)
     */
    public void link(String mapName, String srcName)
            throws MapperConfigurationException {
        Mapper m = (Mapper) mappers.get(mapName);
        if (m == null)
            throw new MapperConfigurationException(mapName
                    + " is not the name of a mapper");
        Source src = (Source) sources.get(srcName);
        if (src == null)
            throw new MapperConfigurationException(srcName
                    + " is not the name of a source");
        /* link */
        mapperToSource.put(m.getName(), src);
        if(log.isDebugEnabled())
            log.debug("linking map "+mapName+" to source "+src);
    }

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Related Classes of speculoos.core.Mapper

speculoos.jndi.JNDIMapperTest

speculoos.jndi.JNDIXMLConfigurator$DefaultsValidHandler

speculoos.manager.ManagerConfigureTest

speculoos.manager.MapperManager

speculoos.manager.MapperManageTest

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