org.structr.core.property.LongProperty.java Source code

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Here is the source code for org.structr.core.property.LongProperty.java

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/**
 * Copyright (C) 2010-2016 Structr GmbH
 *
 * This file is part of Structr <http://structr.org>.
 *
 * Structr is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * Structr 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Structr.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.structr.core.property;

import java.util.logging.Logger;
import org.apache.chemistry.opencmis.commons.enums.PropertyType;
import org.apache.commons.lang3.StringUtils;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.SortField;
import org.apache.lucene.util.NumericUtils;
import org.neo4j.index.lucene.ValueContext;
import org.structr.common.SecurityContext;
import org.structr.common.error.FrameworkException;
import org.structr.common.error.NumberToken;
import org.structr.core.GraphObject;
import org.structr.core.app.Query;
import org.structr.core.converter.PropertyConverter;
import org.structr.core.graph.search.LongSearchAttribute;
import org.structr.core.graph.search.SearchAttribute;

/**
 * A property that stores and retrieves a simple Long value.
 *
 *
 */
public class LongProperty extends AbstractPrimitiveProperty<Long> implements NumericalPropertyKey<Long> {

    private static final Logger logger = Logger.getLogger(DoubleProperty.class.getName());
    public static final String LONG_EMPTY_FIELD_VALUE = NumericUtils.longToPrefixCoded(Long.MIN_VALUE);

    public LongProperty(final String name) {
        super(name);
    }

    @Override
    public String typeName() {
        return "Long";
    }

    @Override
    public Class valueType() {
        return Long.class;
    }

    @Override
    public Integer getSortType() {
        return SortField.LONG;
    }

    @Override
    public PropertyConverter<Long, Long> databaseConverter(SecurityContext securityContext) {
        return null;
    }

    @Override
    public PropertyConverter<Long, Long> databaseConverter(SecurityContext securityContext, GraphObject entity) {
        return null;
    }

    @Override
    public PropertyConverter<?, Long> inputConverter(SecurityContext securityContext) {
        return new InputConverter(securityContext);
    }

    @Override
    public Long convertToNumber(Double source) {

        if (source != null) {
            return source.longValue();
        }

        return null;
    }

    protected class InputConverter extends PropertyConverter<Object, Long> {

        public InputConverter(SecurityContext securityContext) {
            super(securityContext);
        }

        @Override
        public Object revert(Long source) throws FrameworkException {
            return source;
        }

        @Override
        public Long convert(Object source) throws FrameworkException {

            if (source == null)
                return null;

            if (source instanceof Number) {

                return ((Number) source).longValue();

            }

            if (source instanceof String && StringUtils.isNotBlank((String) source)) {

                try {
                    return Long.valueOf(source.toString());

                } catch (Throwable t) {

                    throw new FrameworkException(422,
                            new NumberToken(declaringClass.getSimpleName(), LongProperty.this));
                }
            }

            return null;
        }
    }

    @Override
    public Object fixDatabaseProperty(Object value) {

        if (value != null) {

            if (value instanceof Long) {
                return value;
            }

            if (value instanceof Number) {
                return ((Number) value).longValue();
            }

            try {

                return Long.parseLong(value.toString());

            } catch (Throwable t) {

                // no chance, give up..
            }
        }

        return null;
    }

    @Override
    public SearchAttribute getSearchAttribute(SecurityContext securityContext, BooleanClause.Occur occur,
            Long searchValue, boolean exactMatch, final Query query) {
        return new LongSearchAttribute(this, searchValue, occur, exactMatch);
    }

    @Override
    public void index(GraphObject entity, Object value) {
        super.index(entity, value != null ? ValueContext.numeric((Number) fixDatabaseProperty(value)) : value);
    }

    @Override
    public String getValueForEmptyFields() {
        return LONG_EMPTY_FIELD_VALUE;
    }

    // ----- CMIS support -----
    @Override
    public PropertyType getDataType() {
        return PropertyType.INTEGER;
    }
}