Examples of org.geoserver.catalog.Catalog.list()

org.geoserver.catalog.Catalog.list()
Returns an {@link Iterator} over the catalog objects of the requested type that match thegiven query predicate, positioned at the specified {@code offset} and limited to the numberrequested number of elements.
The returned iterator shall be closed once it is no longer needed, to account for streaming implementations of this interface to release any needed resource such as database or remote service connections. Example usage:
```
  Catalog catalog = ... Filter filter = ... CloseableIterator iterator = catalog.list(LayerInfo.class, filter); try{ while(iterator.hasNext()){ iterator.next(); } }finally{ iterator.close(); }  
```
@param of the type of catalog objects to return. Super interfaces of concrete catalog objectsare allowed (such as {@code StoreInfo.class} and {@code ResourceInfo.class}, although the more generic {@code Info.class} and {@code CatalogInfo.class} are not. @param filter the query predicate, use {@link Filter#INCLUDE} if needed, {@code null} is notaccepted. @return an iterator over the predicate matching catalog objects that must be closed onceconsumed @throws IllegalArgumentException if {@code sortOrder != null} and {@link #canSort !canSort(of, sortOrder)}

            public CloseableIteratorAdapter<LayerInfo> answer(InvocationOnMock invocation) throws Throwable {
                return new CloseableIteratorAdapter<LayerInfo>(layers.iterator());
            }
        };
        
        when(catalog.list(eq(LayerInfo.class), eq(Predicates.and(Predicates.equal("resource.namespace.prefix",
                "foo"), Predicates.fullTextSearch("o"))), isA(Integer.class), isA(Integer.class), isA(SortBy.class))).thenAnswer(a);
        
        when(catalog.count(eq(LayerInfo.class), eq(Predicates.and(Predicates.equal("resource.namespace.prefix",
                "foo"), Predicates.fullTextSearch(""))))).thenReturn(layers.size());

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            if (def != null) {
                wsName = def.getName();
            }
        }


        CloseableIterator<LayerGroupInfo> it = cat.list(LayerGroupInfo.class, equal("workspace.name", wsName));
        try {
            while (it.hasNext()) {
                LayerGroupInfo map = it.next();
                if( checkMap( map ) ){
                    JSONObj obj = arr.addObject();

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        obj.put("page", page != null ? page : 0);
        obj.put("count", Math.min(total, count != null ? count : total));


        JSONArr arr = obj.putArray("layers");
        try (
            CloseableIterator<LayerInfo> it = cat.list(LayerInfo.class, filter, offset(page, count), count, sortBy);
        ) {
            while (it.hasNext()) {
                layer(arr.addObject(), it.next(), req);
            }
        }

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        if (def != null) {
           workspace(arr.addObject(), def, namespaceFor(def), true);
        }


        try (
            CloseableIterator<WorkspaceInfo> list = cat.list(WorkspaceInfo.class, Predicates.acceptAll());
        ) {
            while(list.hasNext()) {
                WorkspaceInfo ws = list.next();
                if (def != null && ws.getName().equals(def.getName())) {
                    continue;

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        Catalog cat = geoServer.getCatalog();
        WorkspaceInfo ws = store.getWorkspace();


        Filter filter = and(equal("store", store), equal("namespace.prefix", ws.getName()));
        int count=0;
        try (CloseableIterator<ResourceInfo> layers = cat.list(ResourceInfo.class, filter);) {
            while (layers.hasNext()) {
                ResourceInfo r = layers.next();
                for (LayerInfo l : cat.getLayers(r)) {
                    if (l != null) {
                        count++;

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    private JSONArr layers(StoreInfo store, JSONArr list) throws IOException {
        Catalog cat = geoServer.getCatalog();
        WorkspaceInfo ws = store.getWorkspace();


        Filter filter = and(equal("store", store), equal("namespace.prefix", ws.getName()));
        try (CloseableIterator<ResourceInfo> layers = cat.list(ResourceInfo.class, filter);) {
            while (layers.hasNext()) {
                ResourceInfo r = layers.next();
                for (LayerInfo l : cat.getLayers(r)) {
                    layer(list.addObject(), l,true);
                }

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            }
        }
        else {
            Filter filter = and(equal("namespace.prefix", store.getWorkspace().getName()),equal("nativeName", name));
            try (
                CloseableIterator<ResourceInfo> published = cat.list(ResourceInfo.class, filter);
            ) {
                while (published.hasNext()) {
                    ResourceInfo info = published.next();
                    if (!info.getStore().getId().equals(store.getId())) {
                        continue; // native name is not enough, double check store id

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    }


    private CloseableIterator<DataStoreInfo> getDataStores() {
        Catalog catalog = getGeoServer().getCatalog();
        Filter filter = Predicates.acceptAll();
        CloseableIterator<DataStoreInfo> stores = catalog.list(DataStoreInfo.class, filter);
        return stores;
    }


}

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        mockFTInfo = createMockFeatureType("baz", mockWSInfo, CatalogMode.CHALLENGE, mockFilter, false, false);
        source.add(mockFTInfo);
        replay(mockFTInfo);
        
        expect(catalog.list(
                eq(FeatureTypeInfo.class), 
                capture(filterCapture),
                (Integer)isNull(),
                (Integer)isNull(),
                (SortBy)isNull())).andStubAnswer(new IAnswer<CloseableIterator<FeatureTypeInfo>>() {

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                srs.addAll(srsList);
            }
            handleRootCrsList(srs);


            CloseableIterator<LayerInfo> layers;
            layers = catalog.list(LayerInfo.class, filter);
            try{
                handleRootBbox(layers);
            }finally{
                layers.close();
            }

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