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## net.sf.jasperreports.engine.data
Class JRMapArrayDataSource

    java.lang.Object
      net.sf.jasperreports.engine.data.JRMapArrayDataSource

All Implemented Interfaces:
  JRDataSource, JRRewindableDataSource

    public class JRMapArrayDataSource

extends java.lang.Object
implements JRRewindableDataSource

Version:
  $Id: JRMapArrayDataSource.java 3939 2010-08-20 09:52:00Z teodord $
Author:
  Teodor Danciu (teodord@users.sourceforge.net)

Constructor Summary
`JRMapArrayDataSource(java.lang.Object[] array)`

Method Summary
`JRMapArrayDataSource` | `cloneDataSource()` Clones this data source by creating a new instance that reuses the same underlying map array.
`java.lang.Object[]` | `getData()` Returns the underlying map array used by this data source.
`java.lang.Object` | `getFieldValue(JRField field)` Gets the field value for the current position.
`int` | `getRecordCount()` Returns the total number of records/maps that this data source contains.
`void` | `moveFirst()` Moves back to the first element in the data source.
`boolean` | `next()` Tries to position the cursor on the next element in the data source.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### JRMapArrayDataSource

    public JRMapArrayDataSource(java.lang.Object[] array)

Method Detail

### next

    public boolean next()

  Description copied from interface: `JRDataSource`
  Tries to position the cursor on the next element in the data source.

  Specified by:
    `next` in interface `JRDataSource`
  Returns:
    true if there is a next record, false otherwise

### getFieldValue

    public java.lang.Object getFieldValue(JRField field)

  Description copied from interface: `JRDataSource`
  Gets the field value for the current position.

  Specified by:
    `getFieldValue` in interface `JRDataSource`
  Returns:
    an object containing the field value. The object type must be the field object type.

### moveFirst

    public void moveFirst()

  Description copied from interface: `JRRewindableDataSource`
  Moves back to the first element in the data source.

  Specified by:
    `moveFirst` in interface `JRRewindableDataSource`

### getData

    public java.lang.Object[] getData()

  Returns the underlying map array used by this data source.

  Returns:
    the underlying map array

### getRecordCount

    public int getRecordCount()

  Returns the total number of records/maps that this data source contains.

  Returns:
    the total number of records of this data source

### cloneDataSource

    public JRMapArrayDataSource cloneDataSource()

  Clones this data source by creating a new instance that reuses the same underlying map array.

  Returns:
    a clone of this data source

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