HashTable (exec/Java Execution Engine 1.2.0 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 int`	`DEFAULT_INITIAL_CAPACITY` The initial default capacity of the hash table (in terms of number of buckets).
`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`
`static int`	`VARIABLE_WIDTH_VECTOR_SIZE` Variable width vector size in bytes

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`addNewKeyBatch()`
`void`	`clear()`
`int`	`containsKey(int incomingRowIdx, boolean isProbe)`
`void`	`getStats(HashTableStats stats)`
`boolean`	`isEmpty()`
`boolean`	`outputKeys(int batchIdx, VectorContainer outContainer, int outStartIndex, int numRecords)`
`void`	`put(int incomingRowIdx, IndexPointer htIdxHolder, int retryCount)`
`void`	`setup(HashTableConfig htConfig, FragmentContext context, BufferAllocator allocator, RecordBatch incomingBuild, RecordBatch incomingProbe, RecordBatch outgoing, VectorContainer htContainerOrig)`
`int`	`size()`
`void`	`updateBatches()`

Field Detail
- TEMPLATE_DEFINITION
```
static final TemplateClassDefinition<HashTable> TEMPLATE_DEFINITION
```
- DEFAULT_INITIAL_CAPACITY
```
static final int DEFAULT_INITIAL_CAPACITY
```
  The initial default capacity of the hash table (in terms of number of buckets).
  
  See Also:
  Constant Field Values
- 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
- VARIABLE_WIDTH_VECTOR_SIZE
```
static final int VARIABLE_WIDTH_VECTOR_SIZE
```
  Variable width vector size in bytes
  
  See Also:
  Constant Field Values

Method Detail

setup

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

updateBatches
```
void updateBatches()
```

put

void put(int incomingRowIdx,
       IndexPointer htIdxHolder,
       int retryCount)

containsKey

int containsKey(int incomingRowIdx,
              boolean isProbe)

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

size
```
int size()
```

isEmpty
```
boolean isEmpty()
```

clear
```
void clear()
```

outputKeys

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

addNewKeyBatch
```
void addNewKeyBatch()
```

Interface HashTable

Nested Class Summary

Field Summary

Method Summary

Field Detail

TEMPLATE_DEFINITION

DEFAULT_INITIAL_CAPACITY

MAXIMUM_CAPACITY

DEFAULT_LOAD_FACTOR

BATCH_SIZE

BATCH_MASK

VARIABLE_WIDTH_VECTOR_SIZE

Method Detail

setup

updateBatches

put

containsKey

getStats

size

isEmpty

clear

outputKeys

addNewKeyBatch