Examples of org.apache.activemq.store.kahadb.disk.page.PageFile

Package org.apache.activemq.store.kahadb.disk.page

Examples of org.apache.activemq.store.kahadb.disk.page.PageFile

org.apache.activemq.store.kahadb.disk.page.PageFile
A PageFile provides you random access to fixed sized disk pages. This object is not thread safe and therefore access to it should be externally synchronized.
The file has 3 parts: Metadata Space: 4k : Reserved metadata area. Used to store persistent config about the file. Recovery Buffer Space: Page Size * 1000 : This is a redo log used to prevent partial page writes from making the file inconsistent Page Space: The pages in the page file.

        this.journal.setDirectory(directory);
        this.journal.setMaxFileLength(getJournalMaxFileLength());
        this.journal.setWriteBatchSize(getJournalMaxWriteBatchSize());
        this.journal.setSizeAccumulator(this.journalSize);
        this.journal.start();
        this.pageFile = new PageFile(directory, "scheduleDB");
        this.pageFile.setWriteBatchSize(1);
        this.pageFile.load();


        this.pageFile.tx().execute(new Transaction.Closure<IOException>() {
            @Override

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                this.journal = new Journal();
                this.journal.setDirectory(directory);
                this.journal.setMaxFileLength(getJournalMaxFileLength());
                this.journal.setWriteBatchSize(getJournalMaxWriteBatchSize());
                this.journal.start();
                this.pageFile = new PageFile(directory, "tmpDB");
                this.pageFile.setEnablePageCaching(getIndexEnablePageCaching());
                this.pageFile.setPageSize(getIndexPageSize());
                this.pageFile.setWriteBatchSize(getIndexWriteBatchSize());
                this.pageFile.setPageCacheSize(getIndexCacheSize());
                this.pageFile.load();

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org.apache.activemq.store.kahadb.AbstractKahaDBStore

org.apache.activemq.store.kahadb.disk.index.BTreeIndexTest

org.apache.activemq.store.kahadb.disk.index.IndexBenchmark

org.apache.activemq.store.kahadb.disk.index.IndexTestSupport

org.apache.activemq.store.kahadb.disk.index.ListIndexTest

org.apache.activemq.store.kahadb.disk.util.Sequence

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org.apache.activemq.store.kahadb.MessageDatabase

org.apache.activemq.store.kahadb.plist.KahaDBFilePendingMessageCursorTest

org.apache.activemq.store.kahadb.plist.PListStoreImpl

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