Example usage for org.apache.commons.lang3 StringUtils repeat

Introduction

In this page you can find the example usage for org.apache.commons.lang3 StringUtils repeat.

Prototype

public static String repeat(final String str, final String separator, final int repeat)

Source Link

Document

Repeat a String repeat times to form a new String, with a String separator injected each time.

Usage

From source file:org.linqs.psl.database.rdbms.driver.H2DatabaseDriver.java

@Override
public String getUpsert(String tableName, String[] columns, String[] keyColumns) {
    // H2 uses a "MERGE" syntax and requires a specified key.
    List<String> sql = new ArrayList<String>();
    sql.add("MERGE INTO " + tableName + "");
    sql.add("   (" + StringUtils.join(columns, ", ") + ")");
    sql.add("KEY");
    sql.add("   (" + StringUtils.join(keyColumns, ", ") + ")");
    sql.add("VALUES");
    sql.add("   (" + StringUtils.repeat("?", ", ", columns.length) + ")");

    return StringUtils.join(sql, "\n");
}

From source file:org.linqs.psl.database.rdbms.RDBMSInserter.java

private String createMultiInsert() {
    List<String> columns = new ArrayList<String>();
    columns.add(PredicateInfo.PARTITION_COLUMN_NAME);
    columns.add(PredicateInfo.VALUE_COLUMN_NAME);
    columns.addAll(predicateInfo.argumentColumns());

    String placeholders = StringUtils.repeat("?", ", ", columns.size());

    List<String> multiInsert = new ArrayList<String>();
    multiInsert.add("INSERT INTO " + predicateInfo.tableName());
    multiInsert.add("   (" + StringUtils.join(columns, ", ") + ")");
    multiInsert.add("VALUES");
    multiInsert.add("   " + StringUtils.repeat("(" + placeholders + ")", ", ", DEFAULT_MULTIROW_COUNT));

    return StringUtils.join(multiInsert, "\n");
}

From source file:org.sakaiproject.tool.assessment.facade.ItemHashUtil.java

private List<ItemDataIfc> itemsById(List<Long> itemIds, Map<String, String> hqlQueries, Session session) {
    if (itemIds == null || itemIds.isEmpty()) {
        return new ArrayList<>(0);
    }// w w  w.j a  v a2 s.  c o m

    final String paramPlaceholders = StringUtils.repeat("?", ",", itemIds.size());
    final Query query = session
            .createQuery(hqlQueries.get(ITEMS_BY_ID_HQL).replace(ID_PARAMS_PLACEHOLDER, paramPlaceholders));
    final AtomicInteger position = new AtomicInteger(0);
    itemIds.forEach(id -> query.setParameter(position.getAndIncrement(), id));
    return query.list();
}