Java ESSearch类代码示例

import net.wedjaa.elasticparser.ESSearch; //导入依赖的package包/类
@Override
public JRField[] getFields(JasperReport jr) throws JRException {
    
    ESSearch esSearch = getESSearch(jr);

    if ( esSearch == null) {
        throw new JRException("No ElasticSearch connection for this report!!");
    }
    
    Map<String, Class<?>> fields = esSearch.getFields();
    
    JRField[] result = new JRField[fields.size()];
    int idx=0;
    
    for (String field: fields.keySet()) {
      result[idx] = new ESField(field, field, fields.get(field));
      idx++;
    }
    
    return result;
}
 

import net.wedjaa.elasticparser.ESSearch; //导入依赖的package包/类
@Override
public JRDataSource createDatasource() throws JRException {
	ESSearch connection = (ESSearch) ((Map<?, ?>) getParameterValue(JRParameter.REPORT_PARAMETERS_MAP))
			.get(JRParameter.REPORT_CONNECTION);
	if (connection == null) {
		connection = processConnection(reportParameters
				.get(JRParameter.REPORT_CONNECTION));
		if (connection == null) {
			throw new JRException("No ES connection");
		}
	}
	// We create a new connection
	// for the datasource based on
	// the one that was handed over
	// to us.
	ESSearch newSearch = connection.clone();
	newSearch.setSearch(getQueryString());
       
	esSearch = connection;
       logger.debug("Create new DataSource witha clone of the current connection.");
       logger.debug("Setting the search to query: " + getQueryString());
	return new ESDataSource(newSearch);
}
 

import net.wedjaa.elasticparser.ESSearch; //导入依赖的package包/类
private void createESSearch() throws JRException {
	
	esSearch = new ESSearch(
				dataAdapter.getElasticSearchIndexes(),
				dataAdapter.getElasticSearchTypes(),
				Integer.parseInt(dataAdapter.getElasticSearchMode()),
				dataAdapter.getElasticSearchHost(),
				Integer.parseInt(dataAdapter.getElasticSearchPort()),
				dataAdapter.getElasticSearchUsername(),
				dataAdapter.getElasticSearchPassword(),
				dataAdapter.getElasticSearchCluster()
			);
	
    // Creating a base search - it will be a correct query
    // once it hits the QueryExecuter.
    esSearch.setSearch("{ \"query\": { \"match_all\": {} } }");
}
 

import net.wedjaa.elasticparser.ESSearch; //导入依赖的package包/类
public List<JRDesignField> getFields(
		JasperReportsContext context, JRDataset dataset, 
		Map<String, Object> parameters, ESSearch connection)
        throws JRException {
    
	logger.debug("Providing fields a query.");
	
	String query = "{ query: { match_all: {} } }";
	
	if ( dataset.getQuery() != null ) {
		query = dataset.getQuery().getText();
	}
	
	logger.debug("Passing query to connection: " + query);
	connection.setSearch(query);
    Map<String, Class<?>> queryFields = connection.getFields(query);
    
    List<JRDesignField> fields = new ArrayList<JRDesignField>();
    
    for (String fieldName: queryFields.keySet() ) {
        JRDesignField field = new JRDesignField();
        field.setName(fieldName);
        field.setValueClass(queryFields.get(fieldName));
        field.setDescription(fieldName);
        fields.add(field);
    }
    
    return fields;
}
 

import net.wedjaa.elasticparser.ESSearch; //导入依赖的package包/类
private ESSearch processConnection(JRValueParameter valueParameter)
		throws JRException {
	if (valueParameter == null) {
		throw new JRException("No ElasticSearch connection");
	}
	return (ESSearch) valueParameter.getValue();
}
 

import net.wedjaa.elasticparser.ESSearch; //导入依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public void setReportParameterValues(@SuppressWarnings("rawtypes") Map parameters) {
	esSearch = new ESSearch(elasticSearchIndexes, 
			elasticSearchTypes, Integer.parseInt(elasticSearchMode), 
			elasticSearchHost, Integer.parseInt(elasticSearchPort), 
			elasticSearchUsername, elasticSearchPassword, elasticSearchCluster);
	parameters.put(JRParameter.REPORT_CONNECTION, esSearch);
}
 

import net.wedjaa.elasticparser.ESSearch; //导入依赖的package包/类
public List<JRDesignField> getFields(DataAdapterService dataAdapterService,
        JasperReportsConfiguration jasperReportsConfiguration, JRDataset dataset) throws JRException,
        UnsupportedOperationException {
	
	logger.debug("Was asked to provide a list of fields.");
	
    Map<String, Object> parameters = new HashMap<String, Object>();
    parameters.put(JRParameter.REPORT_MAX_COUNT, 0);
    dataAdapterService.contributeParameters(parameters);
    ParameterUtil.setParameters(jasperReportsConfiguration, dataset, parameters);
    logger.debug("Getting fields for query: " + dataset.getQuery().getText());
    return net.wedjaa.jasper.elasticsearch.datasource.ESFieldsProvider.getInstance().getFields(jasperReportsConfiguration, dataset, parameters,
            (ESSearch) parameters.get(JRParameter.REPORT_CONNECTION));
}
 

import net.wedjaa.elasticparser.ESSearch; //导入依赖的package包/类
private Combo createComboField() {
	Combo comboField = new Combo(this, SWT.BORDER);
	comboField.add("Hits Mode - Returns Hits Data", ESSearch.ES_MODE_HITS);
	comboField.add("Aggregation Mode - Returns Aggregations Data", ESSearch.ES_MODE_AGGS);
	comboField.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
	return comboField;
}
 

import net.wedjaa.elasticparser.ESSearch; //导入依赖的package包/类
private Combo createComboField(Composite composite) {
	Combo comboField = new Combo(composite, SWT.BORDER);
	comboField.add("Hits Mode - Returns Hits Data", ESSearch.ES_MODE_HITS);
	comboField.add("Aggregation Mode - Returns Aggregations Data", ESSearch.ES_MODE_AGGS);
	comboField.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
	return comboField;
}
 

import net.wedjaa.elasticparser.ESSearch; //导入依赖的package包/类
public ESDataSource(ESSearch esSearch) {
    this.esSearch = esSearch;
    logger.debug("Created a new elasticsearch datasource connected to " + esSearch.getHostname());
    this.esSearch.search();
    logger.debug("Search for " + this.esSearch.getSearch() + " has started....");
}
 

import net.wedjaa.elasticparser.ESSearch; //导入依赖的package包/类
@Override
public JRDataSource create(JasperReport jr) throws JRException {

    
    ESSearch esSearch = getESSearch(jr);
    
    if ( esSearch == null) {
        throw new JRException("No ElasticSearcg connection for this report!!");
    }
    
    return new ESDataSource(esSearch);
    
}