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java.lang.Objectorg.apache.derby.impl.store.raw.data.D_StoredPage
The D_StoredPage class provides diagnostic information about the StoredPage class. Currently this info includes: o a dump of the page. o page size of the page. o bytes free on the page. o bytes reserved on the page.
Field Summary | |
protected StoredPage |
page
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Constructor Summary | |
D_StoredPage()
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Method Summary | |
boolean |
checkSlotTable(java.io.PrintStream out)
Checks the slot table. 1) checks the number of slot entries matches the record count 2) checks the slot table lengths match the field lengths |
void |
diag_detail(java.util.Properties prop)
Provide detailed diagnostic information about a StoredPage. |
java.lang.String |
diag()
Provide a string dump of the StoredPage. |
void |
init(java.lang.Object obj)
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java.lang.String |
pageHeaderToString()
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Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected StoredPage page
Constructor Detail |
public D_StoredPage()
Method Detail |
public void init(java.lang.Object obj)
init
in interface Diagnosticable
public java.lang.String diag() throws StandardException
RESOLVE - once the "Diagnostic" interface is accepted move the string dumping code into this routine from it's current place in the StoredPage code.
diag
in interface Diagnosticable
StandardException
- Standard exception policy.public void diag_detail(java.util.Properties prop) throws StandardException
Currently supports 3 types of information: Page.DIAG_PAGE_SIZE - page size. Page.DIAG_BTYES_FREE - # of free bytes on the page. Page.DIAG_BYTES_RESERVED - # of reserved bytes on the page.
diag_detail
in interface Diagnosticable
StandardException
- Standard exception policy.public boolean checkSlotTable(java.io.PrintStream out) throws StandardException, java.io.IOException
StandardException
- Standard exception policy.
java.io.IOException
public java.lang.String pageHeaderToString()
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