Java tutorial
/** * Copyright 2005-2014 The Kuali Foundation * * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php * * 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 org.kuali.rice.kew.docsearch; import org.kuali.rice.kew.api.KewApiConstants; import org.kuali.rice.kew.api.document.attribute.DocumentAttributeFactory; import org.kuali.rice.kew.api.document.attribute.DocumentAttributeInteger; import javax.persistence.AttributeOverride; import javax.persistence.AttributeOverrides; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.Inheritance; import javax.persistence.InheritanceType; import javax.persistence.NamedQueries; import javax.persistence.NamedQuery; import javax.persistence.Table; import java.io.Serializable; import java.math.BigInteger; import java.sql.ResultSet; import java.sql.SQLException; import java.text.DecimalFormat; import java.text.NumberFormat; import java.util.regex.Pattern; /** * * @author Kuali Rice Team (rice.collab@kuali.org) */ @Entity @Inheritance(strategy = InheritanceType.TABLE_PER_CLASS) @Table(name = "KREW_DOC_HDR_EXT_LONG_T") @NamedQueries({ @NamedQuery(name = "SearchableAttributeLongValue.FindByDocumentId", query = "select s from " + "SearchableAttributeLongValue as s where s.documentId = :documentId"), @NamedQuery(name = "SearchableAttributeLongValue.FindByKey", query = "select s from " + "SearchableAttributeLongValue as s where s.documentId = :documentId and " + "s.searchableAttributeKey = :searchableAttributeKey") }) @AttributeOverrides({ @AttributeOverride(name = "searchableAttributeValueId", column = @Column(name = "DOC_HDR_EXT_LONG_ID")) }) public class SearchableAttributeLongValue extends SearchableAttributeNumericBase implements SearchableAttributeValue, Serializable { private static final long serialVersionUID = 5786144436732198346L; private static final String ATTRIBUTE_DATABASE_TABLE_NAME = "KREW_DOC_HDR_EXT_LONG_T"; private static final boolean DEFAULT_WILDCARD_ALLOWANCE_POLICY = false; private static final boolean ALLOWS_RANGE_SEARCH = true; private static final boolean ALLOWS_CASE_INSENSITIVE_SEARCH = false; private static final String ATTRIBUTE_XML_REPRESENTATION = KewApiConstants.SearchableAttributeConstants.DATA_TYPE_LONG; private static final String DEFAULT_FORMAT_PATTERN = "#"; private static final String DEFAULT_VALIDATION_REGEX_EXPRESSION = "^-?[0-9]+$"; private static final Pattern defaultValidationPattern = Pattern.compile(DEFAULT_VALIDATION_REGEX_EXPRESSION); @Column(name = "VAL") private Long searchableAttributeValue; /** * Default constructor. */ public SearchableAttributeLongValue() { super(); this.ojbConcreteClass = this.getClass().getName(); } @Override public void setupAttributeValue(String value) { this.setSearchableAttributeValue(convertStringToLong(value)); } private Long convertStringToLong(String value) { if (org.apache.commons.lang.StringUtils.isEmpty(value)) { return null; } else { return Long.valueOf(value.trim()); } } @Override public void setupAttributeValue(ResultSet resultSet, String columnName) throws SQLException { this.setSearchableAttributeValue(resultSet.getLong(columnName)); } @Override public String getSearchableAttributeDisplayValue() { NumberFormat format = DecimalFormat.getInstance(); ((DecimalFormat) format).applyPattern(DEFAULT_FORMAT_PATTERN); return format.format(getSearchableAttributeValue().longValue()); } @Override public String getAttributeDataType() { return ATTRIBUTE_XML_REPRESENTATION; } @Override public String getAttributeTableName() { return ATTRIBUTE_DATABASE_TABLE_NAME; } @Override public boolean allowsWildcards() { return DEFAULT_WILDCARD_ALLOWANCE_POLICY; } @Override public boolean allowsCaseInsensitivity() { return ALLOWS_CASE_INSENSITIVE_SEARCH; } @Override public boolean allowsRangeSearches() { return ALLOWS_RANGE_SEARCH; } @Override public Boolean isRangeValid(String lowerValue, String upperValue) { if (allowsRangeSearches()) { Long lower = convertStringToLong(lowerValue); Long upper = convertStringToLong(upperValue); if ((lower != null) && (upper != null)) { return (lower.compareTo(upper) <= 0); } return true; } return null; } @Override public Long getSearchableAttributeValue() { return searchableAttributeValue; } public void setSearchableAttributeValue(Long searchableAttributeValue) { this.searchableAttributeValue = searchableAttributeValue; } @Override public DocumentAttributeInteger toDocumentAttribute() { BigInteger integer = null; if (getSearchableAttributeValue() != null) { integer = BigInteger.valueOf(getSearchableAttributeValue().longValue()); } return DocumentAttributeFactory.createIntegerAttribute(getSearchableAttributeKey(), integer); } @Override protected Pattern getDefaultValidationPattern() { return defaultValidationPattern; } }