Query (java API)

java.lang.Object
- com.google.protobuf.AbstractMessageLite
- - com.google.protobuf.AbstractMessage
  - - com.google.protobuf.GeneratedMessageV3
    - - com.google.datastore.v1.Query

All Implemented Interfaces:

QueryOrBuilder, Message, MessageLite, MessageLiteOrBuilder, MessageOrBuilder, java.io.Serializable
```
public final class Query
extends GeneratedMessageV3
implements QueryOrBuilder
```
```
 A query for entities.
 
```
Protobuf type google.datastore.v1.Query
See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class Query.Builder
A query for entities.
- Nested classes/interfaces inherited from class com.google.protobuf.GeneratedMessageV3
  GeneratedMessageV3.BuilderParent, GeneratedMessageV3.ExtendableBuilder<MessageType extends GeneratedMessageV3.ExtendableMessage,BuilderType extends GeneratedMessageV3.ExtendableBuilder<MessageType,BuilderType>>, GeneratedMessageV3.ExtendableMessage<MessageType extends GeneratedMessageV3.ExtendableMessage>, GeneratedMessageV3.ExtendableMessageOrBuilder<MessageType extends GeneratedMessageV3.ExtendableMessage>, GeneratedMessageV3.FieldAccessorTable

Nested Classes
Modifier and Type	Class and Description
`static class`	`Query.Builder` A query for entities.

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`DISTINCT_ON_FIELD_NUMBER`
`static int`	`END_CURSOR_FIELD_NUMBER`
`static int`	`FILTER_FIELD_NUMBER`
`static int`	`KIND_FIELD_NUMBER`
`static int`	`LIMIT_FIELD_NUMBER`
`static int`	`OFFSET_FIELD_NUMBER`
`static int`	`ORDER_FIELD_NUMBER`
`static int`	`PROJECTION_FIELD_NUMBER`
`static int`	`START_CURSOR_FIELD_NUMBER`

Fields inherited from class com.google.protobuf.GeneratedMessageV3
alwaysUseFieldBuilders, unknownFields

Fields inherited from class com.google.protobuf.AbstractMessage
memoizedSize

Fields inherited from class com.google.protobuf.AbstractMessageLite
memoizedHashCode

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`equals(java.lang.Object obj)`
`static Query`	`getDefaultInstance()`
`Query`	`getDefaultInstanceForType()`
`static Descriptors.Descriptor`	`getDescriptor()`
`PropertyReference`	`getDistinctOn(int index)` The properties to make distinct.
`int`	`getDistinctOnCount()` The properties to make distinct.
`java.util.List<PropertyReference>`	`getDistinctOnList()` The properties to make distinct.
`PropertyReferenceOrBuilder`	`getDistinctOnOrBuilder(int index)` The properties to make distinct.
`java.util.List<? extends PropertyReferenceOrBuilder>`	`getDistinctOnOrBuilderList()` The properties to make distinct.
`ByteString`	`getEndCursor()` An ending point for the query results.
`Filter`	`getFilter()` The filter to apply.
`FilterOrBuilder`	`getFilterOrBuilder()` The filter to apply.
`KindExpression`	`getKind(int index)` The kinds to query (if empty, returns entities of all kinds).
`int`	`getKindCount()` The kinds to query (if empty, returns entities of all kinds).
`java.util.List<KindExpression>`	`getKindList()` The kinds to query (if empty, returns entities of all kinds).
`KindExpressionOrBuilder`	`getKindOrBuilder(int index)` The kinds to query (if empty, returns entities of all kinds).
`java.util.List<? extends KindExpressionOrBuilder>`	`getKindOrBuilderList()` The kinds to query (if empty, returns entities of all kinds).
`Int32Value`	`getLimit()` The maximum number of results to return.
`Int32ValueOrBuilder`	`getLimitOrBuilder()` The maximum number of results to return.
`int`	`getOffset()` The number of results to skip.
`PropertyOrder`	`getOrder(int index)` The order to apply to the query results (if empty, order is unspecified).
`int`	`getOrderCount()` The order to apply to the query results (if empty, order is unspecified).
`java.util.List<PropertyOrder>`	`getOrderList()` The order to apply to the query results (if empty, order is unspecified).
`PropertyOrderOrBuilder`	`getOrderOrBuilder(int index)` The order to apply to the query results (if empty, order is unspecified).
`java.util.List<? extends PropertyOrderOrBuilder>`	`getOrderOrBuilderList()` The order to apply to the query results (if empty, order is unspecified).
`Parser<Query>`	`getParserForType()`
`Projection`	`getProjection(int index)` The projection to return.
`int`	`getProjectionCount()` The projection to return.
`java.util.List<Projection>`	`getProjectionList()` The projection to return.
`ProjectionOrBuilder`	`getProjectionOrBuilder(int index)` The projection to return.
`java.util.List<? extends ProjectionOrBuilder>`	`getProjectionOrBuilderList()` The projection to return.
`int`	`getSerializedSize()`
`ByteString`	`getStartCursor()` A starting point for the query results.
`UnknownFieldSet`	`getUnknownFields()`
`boolean`	`hasFilter()` The filter to apply.
`int`	`hashCode()`
`boolean`	`hasLimit()` The maximum number of results to return.
`protected GeneratedMessageV3.FieldAccessorTable`	`internalGetFieldAccessorTable()`
`boolean`	`isInitialized()`
`static Query.Builder`	`newBuilder()`
`static Query.Builder`	`newBuilder(Query prototype)`
`Query.Builder`	`newBuilderForType()`
`protected Query.Builder`	`newBuilderForType(GeneratedMessageV3.BuilderParent parent)`
`static Query`	`parseDelimitedFrom(java.io.InputStream input)`
`static Query`	`parseDelimitedFrom(java.io.InputStream input, ExtensionRegistryLite extensionRegistry)`
`static Query`	`parseFrom(byte[] data)`
`static Query`	`parseFrom(byte[] data, ExtensionRegistryLite extensionRegistry)`
`static Query`	`parseFrom(java.nio.ByteBuffer data)`
`static Query`	`parseFrom(java.nio.ByteBuffer data, ExtensionRegistryLite extensionRegistry)`
`static Query`	`parseFrom(ByteString data)`
`static Query`	`parseFrom(ByteString data, ExtensionRegistryLite extensionRegistry)`
`static Query`	`parseFrom(CodedInputStream input)`
`static Query`	`parseFrom(CodedInputStream input, ExtensionRegistryLite extensionRegistry)`
`static Query`	`parseFrom(java.io.InputStream input)`
`static Query`	`parseFrom(java.io.InputStream input, ExtensionRegistryLite extensionRegistry)`
`static Parser<Query>`	`parser()`
`Query.Builder`	`toBuilder()`
`void`	`writeTo(CodedOutputStream output)`

Methods inherited from class com.google.protobuf.AbstractMessage
findInitializationErrors, getInitializationErrorString, hashBoolean, hashEnum, hashEnumList, hashFields, hashLong, toString

Methods inherited from class com.google.protobuf.AbstractMessageLite
addAll, addAll, checkByteStringIsUtf8, toByteArray, toByteString, writeDelimitedTo, writeTo

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.google.protobuf.MessageOrBuilder
findInitializationErrors, getAllFields, getDescriptorForType, getField, getInitializationErrorString, getOneofFieldDescriptor, getRepeatedField, getRepeatedFieldCount, hasField, hasOneof

Methods inherited from interface com.google.protobuf.MessageLite
toByteArray, toByteString, writeDelimitedTo, writeTo

Field Detail
- PROJECTION_FIELD_NUMBER
```
public static final int PROJECTION_FIELD_NUMBER
```
  See Also:
  
  Constant Field Values
- KIND_FIELD_NUMBER
```
public static final int KIND_FIELD_NUMBER
```
  See Also:
  
  Constant Field Values
- FILTER_FIELD_NUMBER
```
public static final int FILTER_FIELD_NUMBER
```
  See Also:
  
  Constant Field Values
- ORDER_FIELD_NUMBER
```
public static final int ORDER_FIELD_NUMBER
```
  See Also:
  
  Constant Field Values
- DISTINCT_ON_FIELD_NUMBER
```
public static final int DISTINCT_ON_FIELD_NUMBER
```
  See Also:
  
  Constant Field Values
- START_CURSOR_FIELD_NUMBER
```
public static final int START_CURSOR_FIELD_NUMBER
```
  See Also:
  
  Constant Field Values
- END_CURSOR_FIELD_NUMBER
```
public static final int END_CURSOR_FIELD_NUMBER
```
  See Also:
  
  Constant Field Values
- OFFSET_FIELD_NUMBER
```
public static final int OFFSET_FIELD_NUMBER
```
  See Also:
  
  Constant Field Values
- LIMIT_FIELD_NUMBER
```
public static final int LIMIT_FIELD_NUMBER
```
  See Also:
  
  Constant Field Values

Method Detail

getUnknownFields
```
public final UnknownFieldSet getUnknownFields()
```
Specified by:

getUnknownFields in interface MessageOrBuilder

Overrides:

getUnknownFields in class GeneratedMessageV3

getDescriptor

public static final Descriptors.Descriptor getDescriptor()

internalGetFieldAccessorTable
```
protected GeneratedMessageV3.FieldAccessorTable internalGetFieldAccessorTable()
```
Specified by:

internalGetFieldAccessorTable in class GeneratedMessageV3

getProjectionList
```
public java.util.List<Projection> getProjectionList()
```
```
 The projection to return. Defaults to returning all properties.
 
```
repeated .google.datastore.v1.Projection projection = 2;
Specified by:

getProjectionList in interface QueryOrBuilder

getProjectionOrBuilderList

public java.util.List<? extends ProjectionOrBuilder> getProjectionOrBuilderList()

 The projection to return. Defaults to returning all properties.

repeated .google.datastore.v1.Projection projection = 2;

Specified by:: getProjectionOrBuilderList in interface QueryOrBuilder

getProjectionCount
```
public int getProjectionCount()
```
```
 The projection to return. Defaults to returning all properties.
 
```
repeated .google.datastore.v1.Projection projection = 2;
Specified by:

getProjectionCount in interface QueryOrBuilder

getProjection
```
public Projection getProjection(int index)
```
```
 The projection to return. Defaults to returning all properties.
 
```
repeated .google.datastore.v1.Projection projection = 2;
Specified by:

getProjection in interface QueryOrBuilder

getProjectionOrBuilder
```
public ProjectionOrBuilder getProjectionOrBuilder(int index)
```
```
 The projection to return. Defaults to returning all properties.
 
```
repeated .google.datastore.v1.Projection projection = 2;
Specified by:

getProjectionOrBuilder in interface QueryOrBuilder