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package eu.dnetlib.msro.workflows.nodes.db;
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import java.io.IOException;
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import javax.annotation.Resource;
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import javax.xml.ws.wsaddressing.W3CEndpointReference;
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import org.apache.commons.io.IOUtils;
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import org.apache.commons.lang.StringUtils;
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import com.googlecode.sarasvati.Arc;
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import com.googlecode.sarasvati.NodeToken;
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import eu.dnetlib.enabling.database.rmi.DatabaseService;
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import eu.dnetlib.enabling.locators.UniqueServiceLocator;
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import eu.dnetlib.msro.workflows.nodes.AsyncJobNode;
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public class QueryDbJobNode extends AsyncJobNode {
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private String db;
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private String dbParam;
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private String dbProperty;
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private String sql;
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private String sqlForSize;
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private String xslt;
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private String outputEprParam;
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@Resource
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private UniqueServiceLocator serviceLocator;
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@Override
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protected String execute(final NodeToken token) throws Exception {
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final String sqlText = fetchSqlAsText(sql);
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W3CEndpointReference epr = null;
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final DatabaseService dbService = serviceLocator.getService(DatabaseService.class);
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if (StringUtils.isNotBlank(xslt)) {
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final String xsltText = IOUtils.toString(getClass().getResourceAsStream(xslt));
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if (StringUtils.isBlank(sqlForSize)) {
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epr = dbService.xsltSearchSQL(findDb(token), sqlText, xsltText);
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} else {
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epr = dbService.alternativeXsltSearchSQL(findDb(token), sqlText, fetchSqlAsText(sqlForSize), xsltText);
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}
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} else {
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if (StringUtils.isBlank(sqlForSize)) {
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epr = dbService.searchSQL(findDb(token), sqlText);
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} else {
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epr = dbService.alternativeSearchSQL(findDb(token), sqlText, fetchSqlAsText(sqlForSize));
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}
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}
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token.getEnv().setAttribute(outputEprParam, epr.toString());
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return Arc.DEFAULT_ARC;
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}
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private String fetchSqlAsText(final String path) throws IOException {
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return IOUtils.toString(getClass().getResourceAsStream(path));
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}
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private String findDb(final NodeToken token) {
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if (dbParam != null && !dbParam.isEmpty()) {
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return token.getEnv().getAttribute(dbParam);
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} else if (dbProperty != null && !dbProperty.isEmpty()) {
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return getPropertyFetcher().getProperty(dbProperty);
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} else {
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return db;
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}
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}
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public String getDb() {
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return db;
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}
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public void setDb(final String db) {
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this.db = db;
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}
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public String getDbParam() {
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return dbParam;
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}
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public void setDbParam(final String dbParam) {
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this.dbParam = dbParam;
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}
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public String getSql() {
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return sql;
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}
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public void setSql(final String sql) {
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this.sql = sql;
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}
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public String getXslt() {
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return xslt;
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}
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public void setXslt(final String xslt) {
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this.xslt = xslt;
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}
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public String getOutputEprParam() {
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return outputEprParam;
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}
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public void setOutputEprParam(final String outputEprParam) {
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this.outputEprParam = outputEprParam;
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}
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public String getDbProperty() {
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return dbProperty;
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}
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public void setDbProperty(final String dbProperty) {
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this.dbProperty = dbProperty;
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}
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public String getSqlForSize() {
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return sqlForSize;
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}
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public void setSqlForSize(final String sqlForSize) {
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this.sqlForSize = sqlForSize;
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}
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}
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