Class XAXactId
- java.lang.Object
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- org.apache.derby.iapi.store.access.GlobalXact
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- org.apache.derby.iapi.store.access.xa.XAXactId
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- All Implemented Interfaces:
javax.transaction.xa.Xid
public class XAXactId extends GlobalXact implements javax.transaction.xa.Xid
The XAXactId class is a specific implementation of the JTA Xid interface. It is only used by the TransactionTable.restore() interface to return an array of Xid's back to the caller, as part of serving the XAresource.restore() interface.It is NOT the object that is stored in the log. One reason for this is that the Formattable and Xid interface's define two different return values for the getFormatId() interface.
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Field Summary
Fields Modifier and Type Field Description private static char
COLON
Private Fields of the class-
Fields inherited from class org.apache.derby.iapi.store.access.GlobalXact
branch_id, format_id, global_id
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description private void
copy_init_xid(int format_id, byte[] global_id, byte[] branch_id)
initialize by making array copies of appropriate fields.boolean
equals(java.lang.Object other)
byte[]
getBranchQualifier()
Obtain the transaction branch qualifier part of the Xid in a byte array.int
getFormatId()
Obtain the format id part of the Xid.byte[]
getGlobalTransactionId()
Obtain the global transaction identifier part of XID as an array of bytes.java.lang.String
toHexString()
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Methods inherited from class org.apache.derby.iapi.store.access.GlobalXact
hashCode, toString
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Field Detail
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COLON
private static final char COLON
Private Fields of the class- See Also:
- Constant Field Values
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Constructor Detail
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XAXactId
public XAXactId(int format_id, byte[] global_id, byte[] branch_id)
Construct from given pieces of an Xid. Makes copies of arrays.
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XAXactId
public XAXactId(javax.transaction.xa.Xid xid) throws javax.transaction.xa.XAException
Construct an Xid using an external Xid.- Throws:
javax.transaction.xa.XAException
- invalid external xid
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XAXactId
public XAXactId(java.lang.String xactIdString)
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Method Detail
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copy_init_xid
private void copy_init_xid(int format_id, byte[] global_id, byte[] branch_id)
initialize by making array copies of appropriate fields.
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toHexString
public java.lang.String toHexString()
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getFormatId
public int getFormatId()
Obtain the format id part of the Xid.- Specified by:
getFormatId
in interfacejavax.transaction.xa.Xid
- Returns:
- Format identifier. O means the OSI CCR format.
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getGlobalTransactionId
public byte[] getGlobalTransactionId()
Obtain the global transaction identifier part of XID as an array of bytes.- Specified by:
getGlobalTransactionId
in interfacejavax.transaction.xa.Xid
- Returns:
- A byte array containing the global transaction identifier.
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getBranchQualifier
public byte[] getBranchQualifier()
Obtain the transaction branch qualifier part of the Xid in a byte array.- Specified by:
getBranchQualifier
in interfacejavax.transaction.xa.Xid
- Returns:
- A byte array containing the branch qualifier of the transaction.
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equals
public boolean equals(java.lang.Object other)
- Overrides:
equals
in classGlobalXact
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