HasPropertyNode

Kotlin |Java

@ExperimentalAppSearchApi
public final class HasPropertyNode implements FunctionNode

FunctionNode representing the `hasProperty` query function.

The `hasProperty` query function will return all documents that contain the given property and have values in the given property.

Summary

Public constructors
`HasPropertyNode(@NonNull PropertyPath property)` Constructor for a `HasPropertyNode` representing the query function `hasProperty`.

Public methods
`boolean`	`equals(Object o)`
`@NonNull String`	`getFunctionName()` Returns the name of the function represented by `HasPropertyNode`, stored in the enum `FUNCTION_NAME_HAS_PROPERTY`.
`@NonNull PropertyPath`	`getProperty()` Gets the `PropertyPath` representing the property being checked for some value in the document.
`int`	`hashCode()`
`void`	`setProperty(@NonNull PropertyPath property)` Sets the `PropertyPath` representing the property being checked for some value in the document.
`@NonNull String`	`toString()` Get the string representation of `HasPropertyNode`.

`static final String`	`FUNCTION_NAME_GET_SEARCH_STRING_PARAMETER = "getSearchStringParameter"` Name of the query function represented by `androidx.appsearch.ast.query.GetSearchStringParameterNode`.
`static final String`	`FUNCTION_NAME_HAS_PROPERTY = "hasProperty"` Name of the query function represented by `androidx.appsearch.ast.query.HasPropertyNode`.
`static final String`	`FUNCTION_NAME_PROPERTY_DEFINED = "propertyDefined"` Name of the query function represented by `androidx.appsearch.ast.query.PropertyDefinedNode`.
`static final String`	`FUNCTION_NAME_SEARCH = "search"` Name of the query function represented by `androidx.appsearch.ast.query.SearchNode`.
`static final String`	`FUNCTION_NAME_SEMANTIC_SEARCH = "semanticSearch"` Name of the query function represented by `androidx.appsearch.ast.query.SemanticSearchNode`.

@NonNull List<Node>

getChildren()

Get a list of the node's child Nodes.

public HasPropertyNode(@NonNull PropertyPath property)

Constructor for a HasPropertyNode representing the query function `hasProperty`.

Parameters
`@NonNull PropertyPath property`	A `PropertyPath` representing the property to check whether or not it contains a value in the document.

public boolean equals(Object o)

public @NonNull String getFunctionName()

Returns the name of the function represented by HasPropertyNode, stored in the enum FUNCTION_NAME_HAS_PROPERTY.

public @NonNull PropertyPath getProperty()

Gets the PropertyPath representing the property being checked for some value in the document.

public int hashCode()

public void setProperty(@NonNull PropertyPath property)

Sets the PropertyPath representing the property being checked for some value in the document.

public @NonNull String toString()

Get the string representation of HasPropertyNode.

The string representation of HasPropertyNode is the function name followed by the property path in quotes.