org.turro.jpa.DaoUtil Class Reference

Static Public Member Functions
static boolean	isEmpty (Dao dao, String table)
static boolean	isEmpty (Dao dao, String table, String condition)
static boolean	isEmpty (Dao dao, String table, String condition, Object... pars)
static Long	count (Dao dao, String table)
static Long	count (Dao dao, String table, String condition)
static Long	count (Dao dao, String table, String condition, Object... pars)
static Long	count (Dao dao, WhereClause wc)
static String	getInClauseFromPaths (Collection< String > paths, boolean quoted)
static String	getCommaSeparatedValues (Collection< String > values, boolean quoted)
static String	getIdentifierFromPath (String e)
static String	getJson (Dao dao, Class javaClass, Object identifier, final JSONSerializer json)

Detailed Description

Author

Lluis Turró Cutiller lluis.nosp@m.@tur.nosp@m.ro.or.nosp@m.g

Definition at line 33 of file DaoUtil.java.

Member Function Documentation

count() [1/4]

static Long org.turro.jpa.DaoUtil.count ( Dao  dao, String  table  )

static

Definition at line 50 of file DaoUtil.java.

                                                  {
    Long count = (Long) dao.getSingleResultOrNull("select count(x) from " + table + " x");
    return count;
  }

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count() [2/4]

static Long org.turro.jpa.DaoUtil.count ( Dao  dao, String  table, String  condition  )

static

Definition at line 55 of file DaoUtil.java.

                                                                    {
    Long count = (Long) dao.getSingleResultOrNull("select count(x) from " + table + " x " + condition);
    return count;
  }

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count() [3/4]

static Long org.turro.jpa.DaoUtil.count ( Dao  dao, String  table, String  condition, Object...  pars  )

static

Definition at line 60 of file DaoUtil.java.

                                                                                    {
    Long count = (Long) dao.getSingleResultOrNull("select count(x) from " + table + " x " + condition, pars);
    return count;
  }

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count() [4/4]

static Long org.turro.jpa.DaoUtil.count ( Dao  dao, WhereClause  wc  )

static

Definition at line 65 of file DaoUtil.java.

                                                    {
    Long count = (Long) dao.getSingleResultOrNull(wc);
    return count;
  }

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getCommaSeparatedValues()

static String org.turro.jpa.DaoUtil.getCommaSeparatedValues ( Collection< String >  values, boolean  quoted  )

static

Definition at line 79 of file DaoUtil.java.

                                                                                          {
    String result = "";
    for(String s : values) {
      if(quoted) s = "\"" + s + "\"";
      result += (String) (Strings.isBlank(result) ? s : "," + s);
    }
    return result;
  }

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getIdentifierFromPath()

static String org.turro.jpa.DaoUtil.getIdentifierFromPath ( String  e )

static

Definition at line 88 of file DaoUtil.java.

                                                       {
    return new Path(e).getNode(1);
  }

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getInClauseFromPaths()

static String org.turro.jpa.DaoUtil.getInClauseFromPaths ( Collection< String >  paths, boolean  quoted  )

static

Definition at line 70 of file DaoUtil.java.

                                                                                      {
    return getCommaSeparatedValues(new SetOf<String, String>(paths, new ItemOf<String, String>() {
      @Override
      public String getFrom(String e) {
        return getIdentifierFromPath(e);
      }
    }), quoted);
  }

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getJson()

static String org.turro.jpa.DaoUtil.getJson ( Dao  dao, Class  javaClass, Object  identifier, final JSONSerializer  json  )

static

Definition at line 92 of file DaoUtil.java.

                                                                                                       {
    final StringBuilder sb = new StringBuilder();
    dao.find(javaClass, identifier, new DaoCallback() {
      @Override
      public void before(Object value) {
      }
      @Override
      public void after(Object oldValue, Object newValue) {
        json.setObject(newValue);
        sb.append(json.toJson());
      }
    });
    return sb.length() > 0 ? sb.toString() : null;
  }

isEmpty() [1/3]

static boolean org.turro.jpa.DaoUtil.isEmpty ( Dao  dao, String  table  )

static

Definition at line 35 of file DaoUtil.java.

                                                       {
    Long count = count(dao, table);
    return count == null || count == 0L;
  }

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isEmpty() [2/3]

static boolean org.turro.jpa.DaoUtil.isEmpty ( Dao  dao, String  table, String  condition  )

static

Definition at line 40 of file DaoUtil.java.

                                                                         {
    Long count = count(dao, table, condition);
    return count == null || count == 0L;
  }

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isEmpty() [3/3]

static boolean org.turro.jpa.DaoUtil.isEmpty ( Dao  dao, String  table, String  condition, Object...  pars  )

static

Definition at line 45 of file DaoUtil.java.

                                                                                         {
    Long count = count(dao, table, condition, pars);
    return count == null || count == 0L;
  }

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The documentation for this class was generated from the following file:

• DaoUtil.java