/**
* Copyright (C) 2010-2014 Morgner UG (haftungsbeschränkt)
*
* 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.Level;
import java.util.logging.Logger;
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.PropertyValidator;
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.
*
* @author Christian Morgner
*/
public class LongProperty extends AbstractPrimitiveProperty<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(String name) {
this(name, name, null);
}
public LongProperty(final String jsonName, final String dbName) {
this(jsonName, dbName, null);
}
public LongProperty(String name, final PropertyValidator<Long>... validators) {
this(name, name, null, validators);
}
public LongProperty(String name, Long defaultValue, PropertyValidator<Long>... validators) {
this(name, name, defaultValue, validators);
}
public LongProperty(String jsonName, String dbName, Long defaultValue, PropertyValidator<Long>... validators) {
super(jsonName, dbName, defaultValue);
for (PropertyValidator<Long> validator : validators) {
addValidator(validator);
}
}
@Override
public String typeName() {
return "Long";
}
@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);
}
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) {
logger.log(Level.WARNING, "Unable to convert {0} to Long.", source);
throw new FrameworkException(declaringClass.getSimpleName(), new NumberToken(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;
}
}