Package ghidra.program.database.util
Class QueryRecordIterator
- java.lang.Object
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- ghidra.program.database.util.QueryRecordIterator
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- All Implemented Interfaces:
RecordIterator
public class QueryRecordIterator extends java.lang.Object implements RecordIterator
Iterator that only returns records from another iterator that match the given query.
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Constructor Summary
Constructors Constructor Description QueryRecordIterator(RecordIterator iter, Query query)
Constructs a new QueryRecordIterator that filters the given record iterator with the given Query.QueryRecordIterator(RecordIterator iter, Query query, boolean forward)
Constructor
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
delete()
Delete the last Record read via the next or previous methods.boolean
hasNext()
Return true if a Record is available in the forward direction.boolean
hasPrevious()
Return true if a Record is available in the reverse directionDBRecord
next()
Return the nexy Record or null if one is not available.DBRecord
previous()
Return the previous Record or null if one is not available.
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Constructor Detail
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QueryRecordIterator
public QueryRecordIterator(RecordIterator iter, Query query)
Constructs a new QueryRecordIterator that filters the given record iterator with the given Query.- Parameters:
iter
- the record iterator to filter.query
- the query used to filter.
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QueryRecordIterator
public QueryRecordIterator(RecordIterator iter, Query query, boolean forward)
Constructor- Parameters:
iter
- record iteratorquery
- query needed to match the recordforward
- true means iterate in the forward direction
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Method Detail
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hasNext
public boolean hasNext() throws java.io.IOException
Description copied from interface:RecordIterator
Return true if a Record is available in the forward direction.- Specified by:
hasNext
in interfaceRecordIterator
- Throws:
java.io.IOException
- thrown if an IO error occurs- See Also:
RecordIterator.hasNext()
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next
public DBRecord next() throws java.io.IOException
Description copied from interface:RecordIterator
Return the nexy Record or null if one is not available.- Specified by:
next
in interfaceRecordIterator
- Throws:
java.io.IOException
- thrown if an IO error occurs- See Also:
RecordIterator.next()
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hasPrevious
public boolean hasPrevious() throws java.io.IOException
Description copied from interface:RecordIterator
Return true if a Record is available in the reverse direction- Specified by:
hasPrevious
in interfaceRecordIterator
- Throws:
java.io.IOException
- thrown if an IO error occurs- See Also:
RecordIterator.hasPrevious()
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previous
public DBRecord previous() throws java.io.IOException
Description copied from interface:RecordIterator
Return the previous Record or null if one is not available.- Specified by:
previous
in interfaceRecordIterator
- Throws:
java.io.IOException
- thrown if an IO error occurs- See Also:
RecordIterator.previous()
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delete
public boolean delete() throws java.io.IOException
Description copied from interface:RecordIterator
Delete the last Record read via the next or previous methods.- Specified by:
delete
in interfaceRecordIterator
- Returns:
- true if record was successfully deleted.
- Throws:
java.io.IOException
- thrown if an IO error occurs.- See Also:
RecordIterator.delete()
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