HashTable (exec/Java Execution Engine 1.13.0 API)

All Known Implementing Classes:

HashTableTemplate
```
public interface HashTable
```

Nested Class Summary

Nested Classes
Modifier and Type Interface and Description

static class HashTable.PutStatus

Nested Classes
Modifier and Type	Interface and Description
`static class`	`HashTable.PutStatus`

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`BATCH_MASK`
`static int`	`BATCH_SIZE` The batch size used for internal batch holders
`static float`	`DEFAULT_LOAD_FACTOR` The default load factor of a hash table.
`static int`	`MAXIMUM_CAPACITY` The maximum capacity of the hash table (in terms of number of buckets).
`static TemplateClassDefinition<HashTable>`	`TEMPLATE_DEFINITION`

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`clear()`
`int`	`containsKey(int incomingRowIdx, boolean isProbe)`
`int`	`getHashCode(int incomingRowIdx)`
`void`	`getStats(HashTableStats stats)`
`boolean`	`isEmpty()`
`boolean`	`outputKeys(int batchIdx, VectorContainer outContainer, int outStartIndex, int numRecords, int numExpectedRecords)`
`HashTable.PutStatus`	`put(int incomingRowIdx, IndexPointer htIdxHolder, int hashCode)`
`void`	`reinit(RecordBatch newIncoming)`
`void`	`reset()`
`void`	`setMaxVarcharSize(int size)`
`void`	`setup(HashTableConfig htConfig, BufferAllocator allocator, RecordBatch incomingBuild, RecordBatch incomingProbe, RecordBatch outgoing, VectorContainer htContainerOrig)`
`int`	`size()`
`void`	`updateBatches()`

Field Detail
- TEMPLATE_DEFINITION
```
static final TemplateClassDefinition<HashTable> TEMPLATE_DEFINITION
```
- MAXIMUM_CAPACITY
```
static final int MAXIMUM_CAPACITY
```
  The maximum capacity of the hash table (in terms of number of buckets).
  
  See Also:
  
  Constant Field Values
- DEFAULT_LOAD_FACTOR
```
static final float DEFAULT_LOAD_FACTOR
```
  The default load factor of a hash table.
  
  See Also:
  
  Constant Field Values
- BATCH_SIZE
```
static final int BATCH_SIZE
```
  The batch size used for internal batch holders
  
  See Also:
  
  Constant Field Values
- BATCH_MASK
```
static final int BATCH_MASK
```
  See Also:
  
  Constant Field Values

Method Detail

setup

void setup(HashTableConfig htConfig,
           BufferAllocator allocator,
           RecordBatch incomingBuild,
           RecordBatch incomingProbe,
           RecordBatch outgoing,
           VectorContainer htContainerOrig)

updateBatches

void updateBatches()
            throws SchemaChangeException

Throws:: SchemaChangeException

getHashCode

int getHashCode(int incomingRowIdx)
         throws SchemaChangeException

Throws:: SchemaChangeException

put

HashTable.PutStatus put(int incomingRowIdx,
                        IndexPointer htIdxHolder,
                        int hashCode)
                 throws SchemaChangeException,
                        RetryAfterSpillException

Throws:: SchemaChangeException; RetryAfterSpillException

containsKey

int containsKey(int incomingRowIdx,
                boolean isProbe)
         throws SchemaChangeException

Throws:: SchemaChangeException

getStats
```
void getStats(HashTableStats stats)
```

size
```
int size()
```

isEmpty
```
boolean isEmpty()
```

clear
```
void clear()
```

reinit
```
void reinit(RecordBatch newIncoming)
```

reset
```
void reset()
```

setMaxVarcharSize
```
void setMaxVarcharSize(int size)
```

outputKeys

boolean outputKeys(int batchIdx,
                   VectorContainer outContainer,
                   int outStartIndex,
                   int numRecords,
                   int numExpectedRecords)

Interface HashTable

Nested Class Summary

Field Summary

Method Summary

Field Detail

TEMPLATE_DEFINITION

MAXIMUM_CAPACITY

DEFAULT_LOAD_FACTOR

BATCH_SIZE

BATCH_MASK

Method Detail

setup

updateBatches

getHashCode

put

containsKey

getStats

size

isEmpty

clear

reinit

reset

setMaxVarcharSize

outputKeys