net.sf.jasperreports.data.cache.TimestampStore.java Source code

Introduction

Here is the source code for net.sf.jasperreports.data.cache.TimestampStore.java

Source

/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved.
 * http://www.jaspersoft.com
 *
 * Unless you have purchased a commercial license agreement from Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of JasperReports.
 *
 * JasperReports is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * JasperReports is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with JasperReports. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.jasperreports.data.cache;

import java.sql.Timestamp;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * @author Lucian Chirita (lucianc@users.sourceforge.net)
 */
public class TimestampStore implements BufferColumnStore {

    private static final Log log = LogFactory.getLog(TimestampStore.class);

    private final LongArrayStore timeStore;
    private final LongArrayStore nanoStore;

    public TimestampStore(int size) {
        timeStore = new LongArrayStore(size, true);
        nanoStore = new LongArrayStore(size);

        if (log.isDebugEnabled()) {
            log.debug(this + ": created time store " + timeStore);
            log.debug(this + ": created nano store " + nanoStore);
        }
    }

    @Override
    public Class<?> getBaseValuesType() {
        return Timestamp.class;
    }

    @Override
    public void addValue(Object object) {
        if (!(object instanceof Timestamp)) {
            throw new IllegalArgumentException();
        }

        Timestamp value = (Timestamp) object;
        long time = value.getTime();
        int nanos = value.getNanos();
        timeStore.add(time);
        nanoStore.add(nanos);
    }

    @Override
    public boolean full() {
        return timeStore.full() || nanoStore.full();
    }

    @Override
    public void resetValues() {
        timeStore.resetValues();
        nanoStore.resetValues();
    }

    @Override
    public ColumnValues createValues() {
        ColumnValues timeValues = timeStore.createValues();
        ColumnValues nanoValues = nanoStore.createValues();
        // TODO lucianc check if nano values are all zero and skip
        return new TimestampValues(timeValues, nanoValues);
    }

    @Override
    public String toString() {
        return "TimestampStore@" + hashCode();
    }

}