public class Projection extends Object implements Serializable, Cloneable
Represents attributes that are copied (projected) from the table into an index. These are in addition to the primary key attributes and index key attributes, which are automatically projected.
Constructor and Description |
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Projection() |
Modifier and Type | Method and Description |
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Projection |
clone() |
boolean |
equals(Object obj) |
List<String> |
getNonKeyAttributes()
Represents the non-key attribute names which will be projected into the
index.
|
String |
getProjectionType()
The set of attributes that are projected into the index:
|
int |
hashCode() |
void |
setNonKeyAttributes(Collection<String> nonKeyAttributes)
Represents the non-key attribute names which will be projected into the
index.
|
void |
setProjectionType(ProjectionType projectionType)
The set of attributes that are projected into the index:
|
void |
setProjectionType(String projectionType)
The set of attributes that are projected into the index:
|
String |
toString()
Returns a string representation of this object; useful for testing and
debugging.
|
Projection |
withNonKeyAttributes(Collection<String> nonKeyAttributes)
Represents the non-key attribute names which will be projected into the
index.
|
Projection |
withNonKeyAttributes(String... nonKeyAttributes)
Represents the non-key attribute names which will be projected into the
index.
|
Projection |
withProjectionType(ProjectionType projectionType)
The set of attributes that are projected into the index:
|
Projection |
withProjectionType(String projectionType)
The set of attributes that are projected into the index:
|
public void setProjectionType(String projectionType)
The set of attributes that are projected into the index:
KEYS_ONLY
- Only the index and primary keys are projected
into the index.
INCLUDE
- Only the specified table attributes are projected
into the index. The list of projected attributes are in
NonKeyAttributes.
ALL
- All of the table attributes are projected into the
index.
projectionType
- The set of attributes that are projected into the index:
KEYS_ONLY
- Only the index and primary keys are
projected into the index.
INCLUDE
- Only the specified table attributes are
projected into the index. The list of projected attributes are in
NonKeyAttributes.
ALL
- All of the table attributes are projected into
the index.
ProjectionType
public String getProjectionType()
The set of attributes that are projected into the index:
KEYS_ONLY
- Only the index and primary keys are projected
into the index.
INCLUDE
- Only the specified table attributes are projected
into the index. The list of projected attributes are in
NonKeyAttributes.
ALL
- All of the table attributes are projected into the
index.
KEYS_ONLY
- Only the index and primary keys are
projected into the index.
INCLUDE
- Only the specified table attributes are
projected into the index. The list of projected attributes are in
NonKeyAttributes.
ALL
- All of the table attributes are projected into
the index.
ProjectionType
public Projection withProjectionType(String projectionType)
The set of attributes that are projected into the index:
KEYS_ONLY
- Only the index and primary keys are projected
into the index.
INCLUDE
- Only the specified table attributes are projected
into the index. The list of projected attributes are in
NonKeyAttributes.
ALL
- All of the table attributes are projected into the
index.
projectionType
- The set of attributes that are projected into the index:
KEYS_ONLY
- Only the index and primary keys are
projected into the index.
INCLUDE
- Only the specified table attributes are
projected into the index. The list of projected attributes are in
NonKeyAttributes.
ALL
- All of the table attributes are projected into
the index.
ProjectionType
public void setProjectionType(ProjectionType projectionType)
The set of attributes that are projected into the index:
KEYS_ONLY
- Only the index and primary keys are projected
into the index.
INCLUDE
- Only the specified table attributes are projected
into the index. The list of projected attributes are in
NonKeyAttributes.
ALL
- All of the table attributes are projected into the
index.
projectionType
- The set of attributes that are projected into the index:
KEYS_ONLY
- Only the index and primary keys are
projected into the index.
INCLUDE
- Only the specified table attributes are
projected into the index. The list of projected attributes are in
NonKeyAttributes.
ALL
- All of the table attributes are projected into
the index.
ProjectionType
public Projection withProjectionType(ProjectionType projectionType)
The set of attributes that are projected into the index:
KEYS_ONLY
- Only the index and primary keys are projected
into the index.
INCLUDE
- Only the specified table attributes are projected
into the index. The list of projected attributes are in
NonKeyAttributes.
ALL
- All of the table attributes are projected into the
index.
projectionType
- The set of attributes that are projected into the index:
KEYS_ONLY
- Only the index and primary keys are
projected into the index.
INCLUDE
- Only the specified table attributes are
projected into the index. The list of projected attributes are in
NonKeyAttributes.
ALL
- All of the table attributes are projected into
the index.
ProjectionType
public List<String> getNonKeyAttributes()
Represents the non-key attribute names which will be projected into the index.
For local secondary indexes, the total count of NonKeyAttributes summed across all of the local secondary indexes, must not exceed 20. If you project the same attribute into two different indexes, this counts as two distinct attributes when determining the total.
For local secondary indexes, the total count of NonKeyAttributes summed across all of the local secondary indexes, must not exceed 20. If you project the same attribute into two different indexes, this counts as two distinct attributes when determining the total.
public void setNonKeyAttributes(Collection<String> nonKeyAttributes)
Represents the non-key attribute names which will be projected into the index.
For local secondary indexes, the total count of NonKeyAttributes summed across all of the local secondary indexes, must not exceed 20. If you project the same attribute into two different indexes, this counts as two distinct attributes when determining the total.
nonKeyAttributes
- Represents the non-key attribute names which will be projected
into the index.
For local secondary indexes, the total count of NonKeyAttributes summed across all of the local secondary indexes, must not exceed 20. If you project the same attribute into two different indexes, this counts as two distinct attributes when determining the total.
public Projection withNonKeyAttributes(String... nonKeyAttributes)
Represents the non-key attribute names which will be projected into the index.
For local secondary indexes, the total count of NonKeyAttributes summed across all of the local secondary indexes, must not exceed 20. If you project the same attribute into two different indexes, this counts as two distinct attributes when determining the total.
nonKeyAttributes
- Represents the non-key attribute names which will be projected
into the index.
For local secondary indexes, the total count of NonKeyAttributes summed across all of the local secondary indexes, must not exceed 20. If you project the same attribute into two different indexes, this counts as two distinct attributes when determining the total.
public Projection withNonKeyAttributes(Collection<String> nonKeyAttributes)
Represents the non-key attribute names which will be projected into the index.
For local secondary indexes, the total count of NonKeyAttributes summed across all of the local secondary indexes, must not exceed 20. If you project the same attribute into two different indexes, this counts as two distinct attributes when determining the total.
nonKeyAttributes
- Represents the non-key attribute names which will be projected
into the index.
For local secondary indexes, the total count of NonKeyAttributes summed across all of the local secondary indexes, must not exceed 20. If you project the same attribute into two different indexes, this counts as two distinct attributes when determining the total.
public String toString()
toString
in class Object
Object.toString()
public Projection clone()
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