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java.lang.Objectcom.google.common.collect.ForwardingObject
com.google.common.collect.ForwardingTable<R,C,V>
@Beta @GwtCompatible public abstract class ForwardingTable<R,C,V>
A table which forwards all its method calls to another table. Subclasses should override one or more methods to modify the behavior of the backing map as desired per the decorator pattern.
| Nested Class Summary |
|---|
| Nested classes/interfaces inherited from interface com.google.common.collect.Table |
|---|
Table.Cell<R,C,V> |
| Constructor Summary | |
|---|---|
protected |
ForwardingTable()
Constructor for use by subclasses. |
| Method Summary | |
|---|---|
Set<Table.Cell<R,C,V>> |
cellSet()
Returns a set of all row key / column key / value triplets. |
void |
clear()
Removes all mappings from the table. |
Map<R,V> |
column(C columnKey)
Returns a view of all mappings that have the given column key. |
Set<C> |
columnKeySet()
Returns a set of column keys that have one or more values in the table. |
Map<C,Map<R,V>> |
columnMap()
Returns a view that associates each column key with the corresponding map from row keys to values. |
boolean |
contains(Object rowKey,
Object columnKey)
Returns true if the table contains a mapping with the specified
row and column keys. |
boolean |
containsColumn(Object columnKey)
Returns true if the table contains a mapping with the specified
column. |
boolean |
containsRow(Object rowKey)
Returns true if the table contains a mapping with the specified
row key. |
boolean |
containsValue(Object value)
Returns true if the table contains a mapping with the specified
value. |
protected abstract Table<R,C,V> |
delegate()
Returns the backing delegate instance that methods are forwarded to. |
boolean |
equals(Object obj)
Compares the specified object with this table for equality. |
V |
get(Object rowKey,
Object columnKey)
Returns the value corresponding to the given row and column keys, or null if no such mapping exists. |
int |
hashCode()
Returns the hash code for this table. |
boolean |
isEmpty()
Returns true if the table contains no mappings. |
V |
put(R rowKey,
C columnKey,
V value)
Associates the specified value with the specified keys. |
void |
putAll(Table<? extends R,? extends C,? extends V> table)
Copies all mappings from the specified table to this table. |
V |
remove(Object rowKey,
Object columnKey)
Removes the mapping, if any, associated with the given keys. |
Map<C,V> |
row(R rowKey)
Returns a view of all mappings that have the given row key. |
Set<R> |
rowKeySet()
Returns a set of row keys that have one or more values in the table. |
Map<R,Map<C,V>> |
rowMap()
Returns a view that associates each row key with the corresponding map from column keys to values. |
int |
size()
Returns the number of row key / column key / value mappings in the table. |
Collection<V> |
values()
Returns a collection of all values, which may contain duplicates. |
| Methods inherited from class com.google.common.collect.ForwardingObject |
|---|
toString |
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
|---|
protected ForwardingTable()
| Method Detail |
|---|
protected abstract Table<R,C,V> delegate()
ForwardingObjectForwardingSet.delegate(). Concrete subclasses override this method to supply
the instance being decorated.
delegate in class ForwardingObjectpublic Set<Table.Cell<R,C,V>> cellSet()
Tableadd or addAll methods.
cellSet in interface Table<R,C,V>public void clear()
Table
clear in interface Table<R,C,V>public Map<R,V> column(C columnKey)
TableChanges to the returned map will update the underlying table, and vice versa.
column in interface Table<R,C,V>columnKey - key of column to search for in the table
public Set<C> columnKeySet()
Table
columnKeySet in interface Table<R,C,V>public Map<C,Map<R,V>> columnMap()
Tableput() or putAll(),
or setValue() on its entries.
In contrast, the maps returned by columnMap().get() have the
same behavior as those returned by Table.column(C). Those maps may support
setValue(), put(), and putAll().
columnMap in interface Table<R,C,V>
public boolean contains(Object rowKey,
Object columnKey)
Tabletrue if the table contains a mapping with the specified
row and column keys.
contains in interface Table<R,C,V>rowKey - key of row to search forcolumnKey - key of column to search forpublic boolean containsColumn(Object columnKey)
Tabletrue if the table contains a mapping with the specified
column.
containsColumn in interface Table<R,C,V>columnKey - key of column to search forpublic boolean containsRow(Object rowKey)
Tabletrue if the table contains a mapping with the specified
row key.
containsRow in interface Table<R,C,V>rowKey - key of row to search forpublic boolean containsValue(Object value)
Tabletrue if the table contains a mapping with the specified
value.
containsValue in interface Table<R,C,V>value - value to search for
public V get(Object rowKey,
Object columnKey)
Tablenull if no such mapping exists.
get in interface Table<R,C,V>rowKey - key of row to search forcolumnKey - key of column to search forpublic boolean isEmpty()
Tabletrue if the table contains no mappings.
isEmpty in interface Table<R,C,V>
public V put(R rowKey,
C columnKey,
V value)
Table
put in interface Table<R,C,V>rowKey - row key that the value should be associated withcolumnKey - column key that the value should be associated withvalue - value to be associated with the specified keys
null if
no mapping existed for the keyspublic void putAll(Table<? extends R,? extends C,? extends V> table)
TableTable.put(R, C, V) with each row key / column key / value
mapping in table.
putAll in interface Table<R,C,V>table - the table to add to this table
public V remove(Object rowKey,
Object columnKey)
Table
remove in interface Table<R,C,V>rowKey - row key of mapping to be removedcolumnKey - column key of mapping to be removed
null if
no such value existedpublic Map<C,V> row(R rowKey)
TableChanges to the returned map will update the underlying table, and vice versa.
row in interface Table<R,C,V>rowKey - key of row to search for in the table
public Set<R> rowKeySet()
Table
rowKeySet in interface Table<R,C,V>public Map<R,Map<C,V>> rowMap()
Tableput() or putAll(), or
setValue() on its entries.
In contrast, the maps returned by rowMap().get() have the same
behavior as those returned by Table.row(R). Those maps may support setValue(), put(), and putAll().
rowMap in interface Table<R,C,V>public int size()
Table
size in interface Table<R,C,V>public Collection<V> values()
Table
values in interface Table<R,C,V>public boolean equals(Object obj)
TableTable.cellSet(), are equal.
equals in interface Table<R,C,V>equals in class Objectpublic int hashCode()
TableTable.cellSet().
hashCode in interface Table<R,C,V>hashCode in class Object
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