org.apache.torque.util

## Class ColumnValues

- java.lang.Object
- - org.apache.torque.util.ColumnValues

- All Implemented Interfaces:
    Map<Column,JdbcTypedValue>

      public class ColumnValues
      extends Object
      implements Map<Column,JdbcTypedValue>

  A class containing values for database columns. The insertion order of the entries is preserved.
  Version:
    $Id: ColumnValues.java 1840416 2018-09-09 15:10:22Z tv $

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from interface java.util.Map

      `Map.Entry<K,V>`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ColumnValues()` Constructor with no contained column values.
    `ColumnValues(Map<Column,JdbcTypedValue> columnValues)` Constructor.
    `ColumnValues(Map<Column,JdbcTypedValue> columnValues, String dbName)` Constructor.
    `ColumnValues(String dbName)` Constructor with no contained column values.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `clear()`
    `boolean` | `containsKey(Object key)`
    `boolean` | `containsValue(Object value)`
    `Set<Map.Entry<Column,JdbcTypedValue>>` | `entrySet()`
    `JdbcTypedValue` | `get(Object key)`
    `String` | `getDbName()` Returns the name of the database handle to use for connection opening.
    `boolean` | `isEmpty()`
    `Set<Column>` | `keySet()`
    `JdbcTypedValue` | `put(Column key, JdbcTypedValue value)`
    `void` | `putAll(Map<? extends Column,? extends JdbcTypedValue> t)`
    `JdbcTypedValue` | `remove(Object key)`
    `int` | `size()`
    `String` | `toString()`
    `Collection<JdbcTypedValue>` | `values()`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

    - ### Methods inherited from interface java.util.Map

      `compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll`

- - ### Constructor Detail

    - #### ColumnValues

          public ColumnValues()

      Constructor with no contained column values.
      Throws:
        `NullPointerException` - if table is null.

    - #### ColumnValues

          public ColumnValues(String dbName)

      Constructor with no contained column values.
      Parameters:
        `dbName` - the name of the database handle to use for connection opening if needed, or null to use the default database handle for the table.
      Throws:
        `NullPointerException` - if table is null.

    - #### ColumnValues

          public ColumnValues(Map<Column,JdbcTypedValue> columnValues)

      Constructor.
      Parameters:
        `columnValues` - the column values, or null.
      Throws:
        `NullPointerException` - if table is null.

    - #### ColumnValues

          public ColumnValues(Map<Column,JdbcTypedValue> columnValues,
                              String dbName)

      Constructor.
      Parameters:
        `columnValues` - the column values, or null.
        `dbName` - the name of the database handle to use for connection opening if needed, or null to use the default database handle for the table.
      Throws:
        `NullPointerException` - if table is null.

  - ### Method Detail

    - #### getDbName

          public String getDbName()

      Returns the name of the database handle to use for connection opening.
      Returns:
        the database name, or null to use the default database handle for the table.

    - #### size

          public int size()

      Specified by:
        `size` in interface `Map<Column,JdbcTypedValue>`

    - #### isEmpty

          public boolean isEmpty()

      Specified by:
        `isEmpty` in interface `Map<Column,JdbcTypedValue>`

    - #### containsKey

          public boolean containsKey(Object key)

      Specified by:
        `containsKey` in interface `Map<Column,JdbcTypedValue>`

    - #### containsValue

          public boolean containsValue(Object value)

      Specified by:
        `containsValue` in interface `Map<Column,JdbcTypedValue>`

    - #### get

          public JdbcTypedValue get(Object key)

      Specified by:
        `get` in interface `Map<Column,JdbcTypedValue>`

    - #### put

          public JdbcTypedValue put(Column key,
                                    JdbcTypedValue value)

      Specified by:
        `put` in interface `Map<Column,JdbcTypedValue>`

    - #### remove

          public JdbcTypedValue remove(Object key)

      Specified by:
        `remove` in interface `Map<Column,JdbcTypedValue>`

    - #### putAll

          public void putAll(Map<? extends Column,? extends JdbcTypedValue> t)

      Specified by:
        `putAll` in interface `Map<Column,JdbcTypedValue>`

    - #### clear

          public void clear()

      Specified by:
        `clear` in interface `Map<Column,JdbcTypedValue>`

    - #### keySet

          public Set<Column> keySet()

      Specified by:
        `keySet` in interface `Map<Column,JdbcTypedValue>`

    - #### values

          public Collection<JdbcTypedValue> values()

      Specified by:
        `values` in interface `Map<Column,JdbcTypedValue>`

    - #### entrySet

          public Set<Map.Entry<Column,JdbcTypedValue>> entrySet()

      Specified by:
        `entrySet` in interface `Map<Column,JdbcTypedValue>`

    - #### toString

          public String toString()

      Overrides:
        `toString` in class `Object`

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