Examples of javax.jdo.FetchGroup.addCategory()

javax.jdo.FetchGroup.addCategory()
Add the members (fields or properties) of the named category to the set of members in this FetchGroup. This method first resolves the category name to a set of members and then adds the members as if {@link #addMembers} was called. After thismethod executes, the category is not remembered. @return the FetchGroup @throws JDOUserException if the FetchGroup is unmodifiable @since 2.2

        }
    }


    public void testRemoveMemberNotAMember() {
        FetchGroup fg = pm.getFetchGroup(Employee.class, "testRemoveMemberNotAMember");
        fg.addCategory(FetchGroup.ALL);
        try {
            fg.removeMember("NotAMember");
            fail("FetchGroup should throw on removeMember(NotAMember).");
        } catch(JDOException ex) {
            // good catch!

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        }
    }


    public void testRemoveMembersNotAMember() {
        FetchGroup fg = pm.getFetchGroup(Employee.class, "testRemoveMembersNotAMember");
        fg.addCategory(FetchGroup.ALL);
        try {
            fg.removeMembers(new String[]{"NotAMember"});
            fail("FetchGroup should throw on removeMembers(NotAMember).");
        } catch(JDOException ex) {
            // good catch!

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        expectedSet.addAll(Arrays.asList(expected));
        Set members = fg.getMembers();
        assertTrue("New FetchGroup should have no members; "
                + printFetchGroup(fg),
                members.isEmpty());
        fg.addCategory(category);
        members = fg.getMembers();
        if (!members.equals(expectedSet)) {
            appendMessage("FetchGroup(" + cls.getName() 
                    + ".addCategory(" + category + ") should contain\n"
                + expectedSet + " but contains\n" + members);

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    public void testRemoveCategory() {
        FetchGroup fg = pm.getFetchGroup(Employee.class, "testRemoveCategory");
        Set expectedSet = new HashSet();
        expectedSet.addAll(Arrays.asList(allButMultivaluedMembers));
        Set members = fg.getMembers();
        fg.addCategory(FetchGroup.ALL);
        fg.removeCategory(FetchGroup.MULTIVALUED);
        members = fg.getMembers();
        assertEquals("FetchGroup.addCategory(all).removeCategory(multivalued)"
                + " should contain all but multivalued members.\n",
                expectedSet, members);

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                expectedSet, members);
    }


    public void testRemoveMember() {
        FetchGroup fg = pm.getFetchGroup(Employee.class, "testRemoveMember");
        fg.addCategory(FetchGroup.ALL);
        for (int i = allMembers.length - 1; i >= 0; --i) {
            String member = allMembers[i];
            fg.removeMember(member);
            Set members = fg.getMembers();
            assertFalse("FetchGroup should not contain " + member + " but does.\n"

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    public void testUnmodifiableAddCategory() {
        FetchGroup fg = pm.getFetchGroup(Employee.class, "testUnmodifiableAddCategory");
        fg.setUnmodifiable();
        try {
            fg.addCategory(FetchGroup.ALL);
            fail("Unmodifiable FetchGroup should throw on addCategory.");
        } catch(JDOException ex) {
            // good catch!
        }
    }

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        }
    }


    public void testUnmodifiableRemoveCategory() {
        FetchGroup fg = pm.getFetchGroup(Employee.class, "testUnmodifiableRemoveCategory");
        fg.addCategory(FetchGroup.ALL);
        fg.setUnmodifiable();
        try {
            fg.removeCategory(FetchGroup.ALL);
            fail("Unmodifiable FetchGroup should throw on removeCategory.");
        } catch(JDOException ex) {

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