Package org.apache.jackrabbit.oak.plugins.index.property

Source Code of org.apache.jackrabbit.oak.plugins.index.property.PropertyIndexTest

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jackrabbit.oak.plugins.index.property;

import java.util.Arrays;

import com.google.common.collect.ImmutableSet;
import org.apache.jackrabbit.oak.api.Type;
import org.apache.jackrabbit.oak.plugins.index.IndexHook;
import org.apache.jackrabbit.oak.plugins.memory.MemoryNodeState;
import org.apache.jackrabbit.oak.spi.state.NodeBuilder;
import org.apache.jackrabbit.oak.spi.state.NodeState;
import org.junit.Test;

import static org.junit.Assert.assertEquals;

@Deprecated
public class PropertyIndexTest {

    private static final int MANY = 100;

    @Test
    public void testPropertyLookup() throws Exception {
        NodeState root = MemoryNodeState.EMPTY_NODE;

        // Add index definition
        NodeBuilder builder = root.builder();
        builder.child("oak:index").child("foo")
                .setProperty("jcr:primaryType", "oak:queryIndexDefinition", Type.NAME)
                .setProperty("type", "property")
                .setProperty("propertyNames", "foo");
        NodeState before = builder.getNodeState();

        // Add some content and process it through the property index hook
        builder = before.builder();
        builder.child("a").setProperty("foo", "abc");
        builder.child("b").setProperty("foo", Arrays.asList("abc", "def"), Type.STRINGS);
        // plus lots of dummy content to highlight the benefit of indexing
        for (int i = 0; i < MANY; i++) {
            builder.child("n" + i).setProperty("foo", "xyz");
        }
        NodeState after = builder.getNodeState();

        // First check lookups without an index
        PropertyIndexLookup lookup = new PropertyIndexLookup(after);
        long withoutIndex = System.nanoTime();
        assertEquals(ImmutableSet.of("a", "b"), lookup.find("foo", "abc"));
        assertEquals(ImmutableSet.of("b"), lookup.find("foo", "def"));
        assertEquals(ImmutableSet.of(), lookup.find("foo", "ghi"));
        assertEquals(MANY, lookup.find("foo", "xyz").size());
        withoutIndex = System.nanoTime() - withoutIndex;

        // ... then see how adding an index affects the code
        IndexHook p = new PropertyIndexDiff(builder);
        after.compareAgainstBaseState(before, p);
        p.apply();
        p.close();

        lookup = new PropertyIndexLookup(builder.getNodeState());
        long withIndex = System.nanoTime();
        assertEquals(ImmutableSet.of("a", "b"), lookup.find("foo", "abc"));
        assertEquals(ImmutableSet.of("b"), lookup.find("foo", "def"));
        assertEquals(ImmutableSet.of(), lookup.find("foo", "ghi"));
        assertEquals(MANY, lookup.find("foo", "xyz").size());
        withIndex = System.nanoTime() - withIndex;

        // System.out.println("Index performance ratio: " + withoutIndex/withIndex);
        // assertTrue(withoutIndex > withIndex);
    }

    @Test
    public void testCustomConfigPropertyLookup() throws Exception {
        NodeState root = MemoryNodeState.EMPTY_NODE;

        // Add index definition
        NodeBuilder builder = root.builder();
        builder.child("oak:index").child("fooIndex")
                .setProperty("jcr:primaryType", "oak:queryIndexDefinition", Type.NAME)
                .setProperty("type", "property")
                .setProperty("propertyNames", Arrays.asList("foo", "extrafoo"), Type.STRINGS);
        NodeState before = builder.getNodeState();

        // Add some content and process it through the property index hook
        builder = before.builder();
        builder.child("a").setProperty("foo", "abc").setProperty("extrafoo", "pqr");
        builder.child("b").setProperty("foo", Arrays.asList("abc", "def"), Type.STRINGS);
        // plus lots of dummy content to highlight the benefit of indexing
        for (int i = 0; i < MANY; i++) {
            builder.child("n" + i).setProperty("foo", "xyz");
        }
        NodeState after = builder.getNodeState();

        // First check lookups without an index
        PropertyIndexLookup lookup = new PropertyIndexLookup(after);
        long withoutIndex = System.nanoTime();
        assertEquals(ImmutableSet.of("a", "b"), lookup.find("foo", "abc"));
        assertEquals(ImmutableSet.of("b"), lookup.find("foo", "def"));
        assertEquals(ImmutableSet.of(), lookup.find("foo", "ghi"));
        assertEquals(MANY, lookup.find("foo", "xyz").size());
        assertEquals(ImmutableSet.of("a"), lookup.find("extrafoo", "pqr"));
        assertEquals(ImmutableSet.of(), lookup.find("pqr", "foo"));
        withoutIndex = System.nanoTime() - withoutIndex;

        // ... then see how adding an index affects the code
        IndexHook p = new PropertyIndexDiff(builder);
        after.compareAgainstBaseState(before, p);
        p.apply();
        p.close();

        lookup = new PropertyIndexLookup(builder.getNodeState());
        long withIndex = System.nanoTime();
        assertEquals(ImmutableSet.of("a", "b"), lookup.find("foo", "abc"));
        assertEquals(ImmutableSet.of("b"), lookup.find("foo", "def"));
        assertEquals(ImmutableSet.of(), lookup.find("foo", "ghi"));
        assertEquals(MANY, lookup.find("foo", "xyz").size());
        assertEquals(ImmutableSet.of("a"), lookup.find("extrafoo", "pqr"));
        assertEquals(ImmutableSet.of(), lookup.find("pqr", "foo"));
        withIndex = System.nanoTime() - withIndex;

        // System.out.println("Index performance ratio: " + withoutIndex/withIndex);
        // assertTrue(withoutIndex > withIndex);
    }


}
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