org.apache.jackrabbit.oak.query.QueryEngineSettings Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.jackrabbit.oak.query;
import org.apache.jackrabbit.oak.api.jmx.QueryEngineSettingsMBean;
/**
* Settings of the query engine.
*/
public class QueryEngineSettings implements QueryEngineSettingsMBean {
/**
* the flag used to turn on/off the optimisations on top of the {@link Query} object.
* {@code -Doak.query.sql2optimisation}
*/
public static final String SQL2_OPTIMISATION_FLAG = "oak.query.sql2optimisation";
public static final String SQL2_OPTIMISATION_FLAG_2 = "oak.query.sql2optimisation2";
public static final boolean SQL2_OPTIMIZATION_2 =
Boolean.parseBoolean(System.getProperty(SQL2_OPTIMISATION_FLAG_2, "true"));
static final String OAK_QUERY_LIMIT_IN_MEMORY = "oak.queryLimitInMemory";
// should be the same as QueryEngineSettingsService.DEFAULT_QUERY_LIMIT_IN_MEMORY
static final int DEFAULT_QUERY_LIMIT_IN_MEMORY =
Integer.getInteger(OAK_QUERY_LIMIT_IN_MEMORY, 500000);
static final String OAK_QUERY_LIMIT_READS = "oak.queryLimitReads";
// should be the same as QueryEngineSettingsService.DEFAULT_QUERY_LIMIT_READS
static final int DEFAULT_QUERY_LIMIT_READS =
Integer.getInteger(OAK_QUERY_LIMIT_READS, 100000);
static final String OAK_QUERY_FAIL_TRAVERSAL = "oak.queryFailTraversal";
private static final boolean DEFAULT_FAIL_TRAVERSAL =
Boolean.getBoolean(OAK_QUERY_FAIL_TRAVERSAL);
private static final boolean DEFAULT_FULL_TEXT_COMPARISON_WITHOUT_INDEX =
Boolean.getBoolean("oak.queryFullTextComparisonWithoutIndex");
private long limitInMemory = DEFAULT_QUERY_LIMIT_IN_MEMORY;
private long limitReads = DEFAULT_QUERY_LIMIT_READS;
private boolean failTraversal = DEFAULT_FAIL_TRAVERSAL;
private boolean fullTextComparisonWithoutIndex =
DEFAULT_FULL_TEXT_COMPARISON_WITHOUT_INDEX;
private boolean sql2Optimisation =
Boolean.parseBoolean(System.getProperty(SQL2_OPTIMISATION_FLAG, "true"));
private static final String OAK_FAST_QUERY_SIZE = "oak.fastQuerySize";
static final boolean DEFAULT_FAST_QUERY_SIZE = Boolean.getBoolean(OAK_FAST_QUERY_SIZE);
private boolean fastQuerySize = DEFAULT_FAST_QUERY_SIZE;
public QueryEngineSettings() {
}
@Override
public long getLimitInMemory() {
return limitInMemory;
}
@Override
public void setLimitInMemory(long limitInMemory) {
this.limitInMemory = limitInMemory;
}
@Override
public long getLimitReads() {
return limitReads;
}
@Override
public void setLimitReads(long limitReads) {
this.limitReads = limitReads;
}
@Override
public boolean getFailTraversal() {
return failTraversal;
}
@Override
public void setFailTraversal(boolean failTraversal) {
this.failTraversal = failTraversal;
}
@Override
public boolean isFastQuerySize() {
return fastQuerySize;
}
@Override
public void setFastQuerySize(boolean fastQuerySize) {
this.fastQuerySize = fastQuerySize;
System.setProperty(OAK_FAST_QUERY_SIZE, String.valueOf(fastQuerySize));
}
public void setFullTextComparisonWithoutIndex(boolean fullTextComparisonWithoutIndex) {
this.fullTextComparisonWithoutIndex = fullTextComparisonWithoutIndex;
}
public boolean getFullTextComparisonWithoutIndex() {
return fullTextComparisonWithoutIndex;
}
public boolean isSql2Optimisation() {
return sql2Optimisation;
}
@Override
public String toString() {
return "QueryEngineSettings{" +
"limitInMemory=" + limitInMemory +
", limitReads=" + limitReads +
", failTraversal=" + failTraversal +
", fullTextComparisonWithoutIndex=" + fullTextComparisonWithoutIndex +
", sql2Optimisation=" + sql2Optimisation +
", fastQuerySize=" + fastQuerySize +
'}';
}
}