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package eu.dnetlib.msro.workflows.nodes.db;
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import java.io.IOException;
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import eu.dnetlib.enabling.locators.UniqueServiceLocator;
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import eu.dnetlib.msro.workflows.graph.Arc;
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import eu.dnetlib.msro.workflows.nodes.AsyncJobNode;
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import eu.dnetlib.msro.workflows.procs.Env;
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import eu.dnetlib.rmi.common.ResultSet;
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import eu.dnetlib.rmi.data.DatabaseService;
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import org.apache.commons.io.IOUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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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 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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@Autowired
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private UniqueServiceLocator serviceLocator;
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@Override
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protected String execute(final Env env) throws Exception {
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final String sqlText = fetchSqlAsText(this.sql);
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ResultSet<String> rs = null;
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final DatabaseService dbService = this.serviceLocator.getService(DatabaseService.class);
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if (StringUtils.isNotBlank(this.xslt)) {
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final String xsltText = IOUtils.toString(getClass().getResourceAsStream(this.xslt));
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if (StringUtils.isBlank(this.sqlForSize)) {
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rs = dbService.xsltSearchSQL(findDb(env), sqlText, xsltText);
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} else {
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rs = dbService.alternativeXsltSearchSQL(findDb(env), sqlText, fetchSqlAsText(this.sqlForSize), xsltText);
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}
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} else {
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if (StringUtils.isBlank(this.sqlForSize)) {
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rs = dbService.searchSQL(findDb(env), sqlText);
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} else {
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rs = dbService.alternativeSearchSQL(findDb(env), sqlText, fetchSqlAsText(this.sqlForSize));
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}
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}
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env.setAttribute(this.outputEprParam, rs);
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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 Env env) {
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if (this.dbParam != null && !this.dbParam.isEmpty()) {
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return env.getAttribute(this.dbParam, String.class);
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} else {
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return this.db;
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}
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}
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public String getDb() {
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return this.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 this.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 this.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 this.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 this.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 getSqlForSize() {
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return this.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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