Example usage for org.apache.solr.handler.dataimport VariableResolver replaceTokens

Introduction

In this page you can find the example usage for org.apache.solr.handler.dataimport VariableResolver replaceTokens.

Prototype

public String replaceTokens(String template) 

Source Link

Document

Given a String with place holders, replace them with the value tokens.

Usage

From source file:com.indexisto.dit.processor.LimitedSqlEntityProcessor.java

License:Apache License

@Override
public Map<String, Object> nextRow() {
    if (rowIterator == null) {
        final String command = (String) context.getRequestParameters().get(DataImportHandler.COMMAND);

        final String query = command.equals(DihCommandEnum.DELTA_IMPORT.toString()) && context.isRootEntity()
                ? context.getEntityAttribute(DELTA_QUERY)
                : context.getEntityAttribute(QUERY);
        if (query == null || query.equals("")) {
            throw new MappingException(QUERY + " or " + DELTA_QUERY + " not specified");
        }/* w  w w.  j a  v  a 2 s . c  o  m*/

        final Map<String, Object> queryMap = new HashMap<String, Object>();
        if (context.isRootEntity()) {
            final long offset = (long) context.getRequestParameters().get(OFFSET);
            final long limit = (long) context.getRequestParameters().get(LIMIT);
            queryMap.put(OFFSET_PLACEHOLDER_NAME, offset);
            queryMap.put(LIMIT_PLACEHOLDER_NAME, limit);
        }

        if (command.equals(DihCommandEnum.DELTA_IMPORT.toString()) && context.isRootEntity()) {
            final String dateFormat = context.getEntityAttribute(DATE_FORMAT_PLACEHOLDER_NAME);
            if (dateFormat == null || dateFormat.equals(""))
                throw new MappingException("No date format for delta query specified");

            final Date lastIndexTime = (Date) context.getRequestParameters().get(LAST_INDEX_TIME);
            if (lastIndexTime == null) {
                throw new NotEnoughParamsException("Last index time is not specified");
            }
            try {
                final SimpleDateFormat simpleDateFormat = new SimpleDateFormat(dateFormat);
                final String lastIndexTimeStr = simpleDateFormat.format(lastIndexTime);
                queryMap.put(LAST_INDEX_TIME_PLACEHOLDER_NAME, lastIndexTimeStr);
            } catch (final Exception e) {
                throw new MappingException("Seems like dateFormat is wrong", e);
            }
        }

        final VariableResolver vr = context.getVariableResolver();
        vr.addNamespace(null, queryMap);
        initQuery(vr.replaceTokens(query));
    }
    return getNext();
}

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