66 lines
1.8 KiB
Groovy
66 lines
1.8 KiB
Groovy
@Grab(group='org.fusesource.hawtdb', module='hawtdb', version='1.6')
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import org.fusesource.hawtbuf.codec.StringCodec
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import org.fusesource.hawtdb.api.BTreeIndexFactory
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import org.fusesource.hawtdb.api.PageFile
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import org.fusesource.hawtdb.api.PageFileFactory
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import org.fusesource.hawtdb.api.SortedIndex
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File tmpFile = new File(System.getProperty("user.home") + File.separator + "test_hawtdb.dat")
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//tmpFile.createNewFile()
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def writeSomeData(tmpFile) {
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def factory = new PageFileFactory()
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factory.file = tmpFile
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factory.open()
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def pageFile = factory.getPageFile()
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BTreeIndexFactory<String, String> indexFactory = new BTreeIndexFactory<String, String>()
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indexFactory.setKeyCodec(StringCodec.INSTANCE)
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SortedIndex<String, String> writeIndex = indexFactory.openOrCreate(pageFile)
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println "Hawt opened, try to read"
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println "Size: ${writeIndex.size()}"
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println "write something"
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writeIndex.put("titolo", "capucetto rosso")
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pageFile.flush()
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println "check after write content: ${writeIndex.get("titolo")}, size ${writeIndex.size()}"
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//pageFile.close()
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factory.close()
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}
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def readAllFileContents(tmpFile) {
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def factory = new PageFileFactory()
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factory.file = tmpFile
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factory.open()
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def pageFile = factory.getPageFile()
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BTreeIndexFactory<String, String> indexFactory = new BTreeIndexFactory<String, String>()
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indexFactory.setKeyCodec(StringCodec.INSTANCE)
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SortedIndex<String, String> readingIndex = indexFactory.openOrCreate(pageFile)
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println "read something, size ${readingIndex.size()}"
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for (def entry : readingIndex) {
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println "read k, v -> ${entry.key}, ${entry.value} "
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}
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factory.close()
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}
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writeSomeData(tmpFile)
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readAllFileContents(tmpFile)
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