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Oracle® Coherence Java API Reference
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## com.tangosol.net.partition
Class Ownership

    java.lang.Object
      com.tangosol.util.Base
          com.tangosol.util.BitHelper
              com.tangosol.util.ExternalizableHelper
                  com.tangosol.net.partition.Ownership

All Implemented Interfaces:
  ExternalizableLite, PortableObject, java.io.Serializable, java.lang.Cloneable

    public class Ownership

extends ExternalizableHelper
implements ExternalizableLite, PortableObject, java.lang.Cloneable

Ownership is a light-weight data structure that contains a partition ownership information.

Since:
  Coherence 3.4
Author:
  gg 2008.06.29

Field Summary
`protected int[]` | `m_aiOwner` An array of member ids representing the parition ownership.

Constructor Summary
`Ownership()` Default constructor (necessary for the ExternalizableLite interface).
`Ownership(int cBackups)` Construct an empty Ownership object with a given backup count.

Method Summary
`java.lang.Object` | `clone()` Create a clone of this Ownership.
`boolean` | `equals(java.lang.Object o)` Indicates whether some other object is "equal to" this one.
`int` | `getOwner(int iStore)` Return the owner id for the specified storage for this partition.
`int` | `getPrimaryOwner()` Return the primary owner id for this partition.
`void` | `readExternal(java.io.DataInput in)` Restore the contents of this object by loading the object's state from the passed DataInput object.
`void` | `readExternal(PofReader in)` Restore the contents of a user type instance by reading its state using the specified PofReader object.
`void` | `setOwner(int iStore, int iOwner)` Specify a new owner id for the specified storage for this partition.
`void` | `setPrimaryOwner(int iOwner)` Specify a new primary owner id for this partition.
`java.lang.String` | `toString()` Returns a string representation of this Ownership.
`void` | `writeExternal(java.io.DataOutput out)` Save the contents of this object by storing the object's state into the passed DataOutput object.
`void` | `writeExternal(PofWriter out)` Save the contents of a POF user type instance by writing its state using the specified PofWriter object.

Methods inherited from class com.tangosol.util.BitHelper
`countBits, countBits, countBits, indexOfLSB, indexOfLSB, indexOfLSB, indexOfMSB, indexOfMSB, indexOfMSB, rotateLeft, rotateLeft, rotateLeft, rotateRight, rotateRight, rotateRight, toBitString, toBitString, toBitString`

Field Detail

### m_aiOwner

    protected int[] m_aiOwner

  An array of member ids representing the parition ownership.

Constructor Detail

### Ownership

    public Ownership()

  Default constructor (necessary for the ExternalizableLite interface).

### Ownership

    public Ownership(int cBackups)

  Construct an empty Ownership object with a given backup count.

  Parameters:
    `cBackups` - the partition count

Method Detail

### getPrimaryOwner

    public int getPrimaryOwner()

  Return the primary owner id for this partition.

  Returns:
    the primary owner id for this partition

### setPrimaryOwner

    public void setPrimaryOwner(int iOwner)

  Specify a new primary owner id for this partition.

  Parameters:
    `iOwner` - the new primary owner id for this partition

### getOwner

    public int getOwner(int iStore)

  Return the owner id for the specified storage for this partition.

  Parameters:
    `iStore` - the storage index (zero for primary)
  Returns:
    the owner id or zero if there is no owner

### setOwner

    public void setOwner(int iStore,
                         int iOwner)

  Specify a new owner id for the specified storage for this partition.

  Parameters:
    `iStore` - the storage index (zero for primary)
    `iOwner` - the new primary owner id or zero if there is no owner

### readExternal

    public void readExternal(java.io.DataInput in)
                      throws java.io.IOException

  Restore the contents of this object by loading the object's state from the passed DataInput object.

  Specified by:
    `readExternal` in interface `ExternalizableLite`
  Parameters:
    `in` - the DataInput stream to read data from in order to restore the state of this object
  Throws:
    `java.io.IOException` - if an I/O exception occurs
    `java.io.NotActiveException` - if the object is not in its initial state, and therefore cannot be deserialized into

### writeExternal

    public void writeExternal(java.io.DataOutput out)
                       throws java.io.IOException

  Save the contents of this object by storing the object's state into the passed DataOutput object.

  Specified by:
    `writeExternal` in interface `ExternalizableLite`
  Parameters:
    `out` - the DataOutput stream to write the state of this object to
  Throws:
    `java.io.IOException` - if an I/O exception occurs

### readExternal

    public void readExternal(PofReader in)
                      throws java.io.IOException

  Restore the contents of a user type instance by reading its state using the specified PofReader object.

  Specified by:
    `readExternal` in interface `PortableObject`
  Parameters:
    `in` - the PofReader from which to read the object's state
  Throws:
    `java.io.IOException` - if an I/O error occurs

### writeExternal

    public void writeExternal(PofWriter out)
                       throws java.io.IOException

  Save the contents of a POF user type instance by writing its state using the specified PofWriter object.

  Specified by:
    `writeExternal` in interface `PortableObject`
  Parameters:
    `out` - the PofWriter to which to write the object's state
  Throws:
    `java.io.IOException` - if an I/O error occurs

### clone

    public java.lang.Object clone()

  Create a clone of this Ownership.

  Returns:
    a clone of the Ownership object

### equals

    public boolean equals(java.lang.Object o)

  Indicates whether some other object is "equal to" this one.

  Parameters:
    `o` - the object to test for equality
  Returns:
    `true` if this object is the same as the given one; `false` otherwise.

### toString

    public java.lang.String toString()

  Returns a string representation of this Ownership.

  Returns:
    a string representation of this Ownership

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Oracle® Coherence Java API Reference
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