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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.orcs.db.internal.search.handlers;
import static org.eclipse.osee.orcs.db.internal.sql.SqlUtil.newSimpleWithClause;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.osee.framework.core.data.IAttributeType;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.jdk.core.util.Strings;
import org.eclipse.osee.orcs.core.ds.criteria.CriteriaAttributeKeywords;
import org.eclipse.osee.orcs.db.internal.search.tagger.HasTagProcessor;
import org.eclipse.osee.orcs.db.internal.search.tagger.TagCollector;
import org.eclipse.osee.orcs.db.internal.search.tagger.TagProcessor;
import org.eclipse.osee.orcs.db.internal.sql.AbstractSqlWriter;
import org.eclipse.osee.orcs.db.internal.sql.AliasEntry;
import org.eclipse.osee.orcs.db.internal.sql.ObjectType;
import org.eclipse.osee.orcs.db.internal.sql.SqlHandler;
import org.eclipse.osee.orcs.db.internal.sql.SqlUtil;
import org.eclipse.osee.orcs.db.internal.sql.TableEnum;
import org.eclipse.osee.orcs.db.internal.sql.join.AbstractJoinQuery;
/**
* @author Roberto E. Escobar
*/
public class AttributeTokenSqlHandler extends SqlHandler<CriteriaAttributeKeywords> implements HasTagProcessor {
private static final AliasEntry GAMMA_WITH = SqlUtil.newAlias("gamma", "gamma");
private static final AliasEntry ATTRIBUTE_WITH = SqlUtil.newAlias("attribute", "att");
private CriteriaAttributeKeywords criteria;
private String artAlias;
private String attrAlias;
private String txsAlias;
private TagProcessor tagProcessor;
@Override
public void setTagProcessor(TagProcessor tagProcessor) {
this.tagProcessor = tagProcessor;
}
@Override
public TagProcessor getTagProcessor() {
return tagProcessor;
}
@Override
public void setData(CriteriaAttributeKeywords criteria) {
this.criteria = criteria;
}
@Override
public void addWithTables(AbstractSqlWriter writer) throws OseeCoreException {
String gammaAlias = writer.getNextAlias(GAMMA_WITH);
StringBuilder gammaSb = new StringBuilder();
Collection<? extends IAttributeType> types = criteria.getTypes();
AbstractJoinQuery joinQuery = null;
String jIdAlias = null;
if (!criteria.isIncludeAllTypes() && types.size() > 1) {
Set<Long> typeIds = new HashSet<>();
for (IAttributeType type : types) {
typeIds.add(type.getGuid());
}
jIdAlias = writer.getNextAlias(TableEnum.ID_JOIN_TABLE);
joinQuery = writer.writeIdJoin(typeIds);
}
Collection<String> values = criteria.getValues();
int valueCount = values.size();
int valueIdx = 0;
for (String value : values) {
List<Long> tags = new ArrayList<>();
tokenize(value, tags);
int tagsSize = tags.size();
gammaSb.append(" ( \n");
if (tagsSize == 0) {
gammaSb.append(" SELECT gamma_id FROM osee_attribute");
if (Strings.isValid(jIdAlias)) {
gammaSb.append(", osee_join_id ");
gammaSb.append(jIdAlias);
}
gammaSb.append(" where value ");
if (!Strings.isValid(value)) {
gammaSb.append("is null or value = ''");
} else {
gammaSb.append("= ?");
writer.addParameter(value);
}
if (!criteria.isIncludeAllTypes()) {
gammaSb.append(" AND attr_type_id = ");
if (types.size() == 1) {
gammaSb.append("?");
writer.addParameter(types.iterator().next().getGuid());
} else {
gammaSb.append(jIdAlias);
gammaSb.append(".id AND ");
gammaSb.append(jIdAlias);
gammaSb.append(".query_id = ?");
writer.addParameter(joinQuery.getQueryId());
}
}
} else {
for (int tagIdx = 0; tagIdx < tagsSize; tagIdx++) {
Long tag = tags.get(tagIdx);
gammaSb.append(" SELECT gamma_id FROM osee_search_tags WHERE coded_tag_id = ?");
writer.addParameter(tag);
if (tagIdx + 1 < tagsSize) {
gammaSb.append("\n INTERSECT \n");
}
}
}
gammaSb.append("\n ) ");
if (valueIdx + 1 < valueCount) {
gammaSb.append("\n UNION ALL \n");
}
valueIdx++;
}
writer.addWithClause(newSimpleWithClause(gammaAlias, gammaSb.toString()));
attrAlias = writer.getNextAlias(ATTRIBUTE_WITH);
StringBuilder attrSb = new StringBuilder();
attrSb.append(" SELECT art_id FROM osee_attribute att, osee_txs txs, ");
if (!criteria.isIncludeAllTypes() && types.size() > 1) {
attrSb.append("osee_join_id ");
attrSb.append(jIdAlias);
attrSb.append(", ");
}
attrSb.append(gammaAlias);
attrSb.append("\n WHERE \n");
attrSb.append(" att.gamma_id = ");
attrSb.append(gammaAlias);
attrSb.append(".gamma_id");
if (!criteria.isIncludeAllTypes()) {
attrSb.append(" AND att.attr_type_id = ");
if (types.size() == 1) {
attrSb.append("?");
long typeId = criteria.getTypes().iterator().next().getGuid();
writer.addParameter(typeId);
} else {
attrSb.append(jIdAlias);
attrSb.append(".id AND ");
attrSb.append(jIdAlias);
attrSb.append(".query_id = ?");
writer.addParameter(joinQuery.getQueryId());
}
}
attrSb.append("\n AND \n");
attrSb.append(" att.gamma_id = txs.gamma_id");
attrSb.append(" AND ");
attrSb.append(writer.getWithClauseTxBranchFilter("txs", true));
writer.addWithClause(newSimpleWithClause(attrAlias, attrSb.toString()));
writer.addTable(attrAlias);
}
@Override
public void addTables(AbstractSqlWriter writer) {
List<String> aliases = writer.getAliases(TableEnum.ARTIFACT_TABLE);
List<String> txs = writer.getAliases(TableEnum.TXS_TABLE);
if (aliases.isEmpty()) {
artAlias = writer.addTable(TableEnum.ARTIFACT_TABLE);
}
if (txs.isEmpty()) {
txsAlias = writer.addTable(TableEnum.TXS_TABLE, ObjectType.ARTIFACT);
}
}
@Override
public boolean addPredicates(AbstractSqlWriter writer) throws OseeCoreException {
boolean artTableAdded = false;
boolean txsTableAdded = false;
if (!Strings.isValid(artAlias)) {
artAlias = writer.getAliases(TableEnum.ARTIFACT_TABLE).iterator().next();
} else {
artTableAdded = true;
}
if (!Strings.isValid(txsAlias)) {
txsAlias = writer.getAliases(TableEnum.TXS_TABLE).iterator().next();
} else {
txsTableAdded = true;
}
writer.write("%s.art_id = %s.art_id", artAlias, attrAlias);
if (artTableAdded) {
writer.writeAndLn();
writer.write("%s.gamma_id = %s.gamma_id", txsAlias, artAlias);
}
if (txsTableAdded) {
writer.writeAndLn();
writer.write(writer.getTxBranchFilter(txsAlias));
}
return true;
}
@Override
public int getPriority() {
return SqlHandlerPriority.ATTRIBUTE_TOKENIZED_VALUE.ordinal();
}
private void tokenize(String value, final Collection<Long> codedTags) {
TagCollector collector = new TagCollector() {
@Override
public void addTag(String word, Long codedTag) {
codedTags.add(codedTag);
}
};
getTagProcessor().collectFromString(value, collector);
}
}
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