Example usage for org.apache.lucene.spatial.prefix RecursivePrefixTreeStrategy getGrid

Introduction

In this page you can find the example usage for org.apache.lucene.spatial.prefix RecursivePrefixTreeStrategy getGrid.

Prototype

public SpatialPrefixTree getGrid() 

Source Link

Usage

From source file:org.openspaces.spatial.LuceneConfigurationTest.java

License:Open Source License

@Test
public void testStrategyRecursivePrefixTreeAndDistErrPct() {
    LuceneSpatialQueryExtensionProvider provider = new LuceneSpatialQueryExtensionProvider()
            .setCustomProperty("lucene.strategy", "RecursivePrefixTree")
            .setCustomProperty("lucene.strategy.spatial-prefix-tree", "GeohashPrefixTree")
            .setCustomProperty("lucene.strategy.spatial-prefix-tree.max-levels", "10")
            .setCustomProperty("lucene.strategy.distance-error-pct", "0.5");
    QueryExtensionRuntimeInfo config = new MockConfig().setWorkDir(getWorkingDir());

    LuceneSpatialConfiguration luceneConfiguration = new LuceneSpatialConfiguration(provider, config);

    Assert.assertEquals("Unexpected strategy type", RecursivePrefixTreeStrategy.class,
            luceneConfiguration.getStrategy("myField").getClass());
    RecursivePrefixTreeStrategy strategy = (RecursivePrefixTreeStrategy) luceneConfiguration
            .getStrategy("myField");
    Assert.assertEquals("Unexpected spatial prefix tree", GeohashPrefixTree.class,
            strategy.getGrid().getClass());
    Assert.assertEquals("MaxLevels should be 10", 10, strategy.getGrid().getMaxLevels());
    Assert.assertTrue("Expecting distance-error-pct to be 0.5", 0.5 == strategy.getDistErrPct());
}

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