com.gu.management.database.logging.SqlQueryData.java Source code

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/*
 * Copyright 2010 Guardian News and Media
 *
 *    Licensed 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 com.gu.management.database.logging;

import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;

public class SqlQueryData {

    static final int QUERY_PREVIEW_LENGTH = 60;
    private static final Logger LOGGER = Logger.getLogger(SqlQueryData.class);

    private final String rawSqlQuery;
    private final String comment;
    private final String sqlQueryWithoutComment;
    private final Integer id;

    private boolean isExecuted;
    private long timeToRunInMs;

    SqlQueryData(String sqlQuery, Integer id) {
        this.rawSqlQuery = sqlQuery;
        this.isExecuted = false;
        this.comment = extractComment();
        this.sqlQueryWithoutComment = extractQuery();
        this.id = id;
    }

    public SqlQueryData(String sqlQuery) {
        this(sqlQuery, null);
    }

    public String getRawSqlQuery() {
        return rawSqlQuery;
    }

    public String getComment() {
        return comment;
    }

    public String getSqlQuery() {
        return sqlQueryWithoutComment;
    }

    public boolean isExecuted() {
        return isExecuted;
    }

    private String extractComment() {
        String trimmedRawQuery = rawSqlQuery.trim();
        if (trimmedRawQuery.startsWith("/*")) {
            final String comment = extractCommentFromCommentedQuery(trimmedRawQuery);
            if (!"dynamic native SQL query".equals(comment) && !"criteria query".equals(comment)) {
                return comment;
            }
        }

        //noinspection ThrowableInstanceNeverThrown
        LOGGER.trace("No comment on query: " + rawSqlQuery, new DummyExceptionGetAStackTraceDumpedToLog());

        return StringUtils.abbreviate(rawSqlQuery, QUERY_PREVIEW_LENGTH);
    }

    private String extractCommentFromCommentedQuery(String trimmedRawQuery) {
        int commentEndIndex = trimmedRawQuery.indexOf("*/");
        if (commentEndIndex != -1) {
            return trimmedRawQuery.substring(2, commentEndIndex).trim();
        }

        return trimmedRawQuery;
    }

    private String extractQuery() {
        String trimmedRawQuery = rawSqlQuery.trim();
        if (trimmedRawQuery.startsWith("/*")) {
            int commentEndIndex = rawSqlQuery.indexOf("*/");
            if (commentEndIndex != -1) {
                return trimmedRawQuery.substring(commentEndIndex + 2).trim();
            }
        }

        return rawSqlQuery.trim();
    }

    public Integer getId() {
        return this.id;
    }

    public long getTimeToRunInMs() {
        return timeToRunInMs;
    }

    public void setTimeToRunInMs(int timeToRunInMs) {
        this.timeToRunInMs = timeToRunInMs;
    }

    public void notifyIsExecuted(long timeToRunInMs) {
        isExecuted = true;
        this.timeToRunInMs = timeToRunInMs;
    }

    private class DummyExceptionGetAStackTraceDumpedToLog extends Throwable {
    }
}