Examples with DelegatingPagedFile org.neo4j.io.pagecache.DelegatingPagedFile used on opensource projects

Example 1 with DelegatingPagedFile

use of org.neo4j.io.pagecache.DelegatingPagedFile in project neo4j by neo4j.

the class MetaDataStoreTest method setUp.

@Before
public void setUp() {
    fs = fsRule.get();
    pageCache = pageCacheRule.getPageCache(fs);
    fakePageCursorOverflow = false;
    pageCacheWithFakeOverflow = new DelegatingPageCache(pageCache) {

        @Override
        public PagedFile map(File file, int pageSize, OpenOption... openOptions) throws IOException {
            return new DelegatingPagedFile(super.map(file, pageSize, openOptions)) {

                @Override
                public PageCursor io(long pageId, int pf_flags) throws IOException {
                    return new DelegatingPageCursor(super.io(pageId, pf_flags)) {

                        @Override
                        public boolean checkAndClearBoundsFlag() {
                            return fakePageCursorOverflow | super.checkAndClearBoundsFlag();
                        }
                    };
                }
            };
        }
    };
}