Package org.apache.cassandra.schema
Class Keyspaces
- java.lang.Object
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- org.apache.cassandra.schema.Keyspaces
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- All Implemented Interfaces:
java.lang.Iterable<KeyspaceMetadata>
public final class Keyspaces extends java.lang.Object implements java.lang.Iterable<KeyspaceMetadata>
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
Keyspaces.Builder
static class
Keyspaces.KeyspacesDiff
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static Keyspaces.Builder
builder()
boolean
containsKeyspace(java.lang.String name)
boolean
equals(java.lang.Object o)
Keyspaces
filter(java.util.function.Predicate<KeyspaceMetadata> predicate)
java.util.Optional<KeyspaceMetadata>
get(java.lang.String name)
Get the keyspace with the specified nameKeyspaceMetadata
getNullable(java.lang.String name)
TableMetadata
getTableOrViewNullable(TableId id)
int
hashCode()
boolean
isEmpty()
java.util.Iterator<KeyspaceMetadata>
iterator()
java.util.Set<java.lang.String>
names()
static Keyspaces
none()
static Keyspaces
of(KeyspaceMetadata... keyspaces)
java.util.stream.Stream<KeyspaceMetadata>
stream()
java.lang.String
toString()
void
validate()
Keyspaces
withAddedOrUpdated(KeyspaceMetadata keyspace)
Keyspaces
without(java.lang.String name)
Creates a Keyspaces instance with the keyspace with the provided name removed
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Method Detail
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builder
public static Keyspaces.Builder builder()
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none
public static Keyspaces none()
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of
public static Keyspaces of(KeyspaceMetadata... keyspaces)
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iterator
public java.util.Iterator<KeyspaceMetadata> iterator()
- Specified by:
iterator
in interfacejava.lang.Iterable<KeyspaceMetadata>
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stream
public java.util.stream.Stream<KeyspaceMetadata> stream()
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names
public java.util.Set<java.lang.String> names()
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get
public java.util.Optional<KeyspaceMetadata> get(java.lang.String name)
Get the keyspace with the specified name- Parameters:
name
- a non-qualified keyspace name- Returns:
- an empty
Optional
if the table name is not found; a non-empty optional ofKeyspaceMetadata
otherwise
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getNullable
@Nullable public KeyspaceMetadata getNullable(java.lang.String name)
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containsKeyspace
public boolean containsKeyspace(java.lang.String name)
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getTableOrViewNullable
@Nullable public TableMetadata getTableOrViewNullable(TableId id)
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isEmpty
public boolean isEmpty()
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filter
public Keyspaces filter(java.util.function.Predicate<KeyspaceMetadata> predicate)
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without
public Keyspaces without(java.lang.String name)
Creates a Keyspaces instance with the keyspace with the provided name removed
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withAddedOrUpdated
public Keyspaces withAddedOrUpdated(KeyspaceMetadata keyspace)
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validate
public void validate()
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equals
public boolean equals(java.lang.Object o)
- Overrides:
equals
in classjava.lang.Object
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hashCode
public int hashCode()
- Overrides:
hashCode
in classjava.lang.Object
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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