Package org.apache.openjpa.meta

Examples of org.apache.openjpa.meta.ClassMetaData$ListingOrderComparator

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    private StoreQuery.Executor createExecutor(boolean inMem) {
        assertCandidateType();

        MetaDataRepository repos = _broker.getConfiguration().
            getMetaDataRepositoryInstance();
        ClassMetaData meta = repos.getMetaData(_class,
            _broker.getClassLoader(), false);

        ClassMetaData[] metas;
        if (_class == null || _storeQuery.supportsAbstractExecutors())
            metas = new ClassMetaData[]{ meta };
        else if (_subclasses && (meta == null || meta.isManagedInterface()))
            metas = repos.getImplementorMetaDatas(_class,
                _broker.getClassLoader(), true);
        else if (meta != null && (_subclasses || meta.isMapped()))
            metas = new ClassMetaData[]{ meta };
        else
            metas = StoreQuery.EMPTY_METAS;

        if (metas.length == 0)
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        // first check the aliases map in the MetaDataRepository
        ClassLoader loader = (_class == null) ? _loader
            : (ClassLoader) AccessController.doPrivileged(
                J2DoPrivHelper.getClassLoaderAction(_class));
        ClassMetaData meta = _broker.getConfiguration().
            getMetaDataRepositoryInstance().getMetaData(name, loader, false);
        if (meta != null)
            return meta.getDescribedType();

        // try the name in the package of the candidate class
        if (_class != null) {
            String fullName = _class.getName().substring
                (0, _class.getName().lastIndexOf('.') + 1) + name;
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    }

    protected ClassMetaData resolveClassMetaData(JPQLNode node) {
        // handle looking up alias names
        String schemaName = assertSchemaName(node);
        ClassMetaData cmd = getClassMetaData(schemaName, false);
        if (cmd != null)
            return cmd;

        // we might be referencing a collection field of a subquery's parent
        if (isPath(node)) {
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        ClassLoader loader = getClassLoader();
        MetaDataRepository repos = resolver.getConfiguration().
            getMetaDataRepositoryInstance();

        // first check for the alias
        ClassMetaData cmd = repos.getMetaData(alias, loader, false);

        if (cmd != null)
            return cmd;

        // now check for the class name; this is not technically permitted
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    private ClassMetaData getCandidateMetaData() {
        if (ctx().meta != null)
            return ctx().meta;

        ClassMetaData cls = getCandidateMetaData(root());
        if (cls == null)
            throw parseException(EX_USER, "not-schema-name",
                new Object[]{ root() }, null);

        setCandidate(cls, null);
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            JPQLNode n = from.children[i];

            if (n.id == JJTABSTRACTSCHEMANAME) {
                // we simply return the first abstract schema child
                // as resolved into a class
                ClassMetaData cmd = resolveClassMetaData(n);

                if (cmd != null)
                    return cmd;

                // not a schema: treat it as a class
                String cls = assertSchemaName(n);
                if (cls == null)
                    throw parseException(EX_USER, "not-schema-name",
                        new Object[]{ root() }, null);

                return getClassMetaData(cls, true);
            }
            // OPENJPA-15 support subquery's from clause do not start with
            // identification_variable_declaration()
            if (node.id == JJTSUBSELECT) {
                if (n.id == JJTINNERJOIN) {
                    n = n.getChild(0);
                }
                if (n.id == JJTPATH) {
                    Path path = getPath(n);
                    ClassMetaData cmd = getFieldType(path.last());
                    if (cmd != null) {
                        return cmd;
                    }
                    else {
                        throw parseException(EX_USER, "no-alias",
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        return and(exp, join);
    }

    private Expression evalFromItem(Expression exp, JPQLNode node,
        boolean needsAlias) {
        ClassMetaData cmd = resolveClassMetaData(firstChild(node));

        String alias = null;

        if (node.getChildCount() < 2) {
            if (needsAlias)
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    private static ClassMetaData getFieldType(FieldMetaData fmd) {
        if (fmd == null)
            return null;

        ClassMetaData cmd = null;
        ValueMetaData vmd;

        if ((vmd = fmd.getElement()) != null)
            cmd = vmd.getDeclaredTypeMetaData();
        else if ((vmd = fmd.getKey()) != null)
            cmd = vmd.getDeclaredTypeMetaData();
        else if ((vmd = fmd.getValue()) != null)
            cmd = vmd.getDeclaredTypeMetaData();

        if (cmd == null || cmd.getDescribedType() == Object.class)
            cmd = fmd.getDeclaredTypeMetaData();

        return cmd;
    }
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        String alias = nextAlias();

        // parse the subquery
        ParsedJPQL parsed = new ParsedJPQL(node.parser.jpql, node);

        ClassMetaData candidate = getCandidateMetaData(node);
        Subquery subq = factory.newSubquery(candidate, subclasses, alias);
        subq.setMetaData(candidate);

        contexts.push(new Context(parsed, subq));
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            parameterTypes = new LinkedMap(6);
        if (!parameterTypes.containsKey(id))
            parameterTypes.put(id, TYPE_OBJECT);

        Class type = Object.class;
        ClassMetaData meta = null;
        int index;

        if (positional) {
            try {
                // indexes in JPQL are 1-based, as opposed to 0-based in
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Related Classes of org.apache.openjpa.meta.ClassMetaData$ListingOrderComparator

  • org.apache.openjpa.abstractstore.AbstractStoreManager
  • org.apache.openjpa.conf.TestDynamicConfiguration
  • org.apache.openjpa.datacache.AbstractQueryCache
  • org.apache.openjpa.datacache.DataCacheManagerImpl
  • org.apache.openjpa.datacache.DataCachePCDataImpl
  • org.apache.openjpa.datacache.DataCacheStoreManager
  • org.apache.openjpa.datacache.QueryCacheStoreQuery
  • org.apache.openjpa.datacache.QueryKey
  • org.apache.openjpa.enhance.AbstractUnenhancedClassTest
  • org.apache.openjpa.enhance.ApplicationIdTool
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