java.lang.Object
- org.apache.pinot.common.utils.SchemaUtils

```
public class SchemaUtils
extends Object
```
Utility class which contains Schema related operations.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`deleteSchema(String host, int port, String schemaName)`	Given host, port and schema name, send a http DELETE request to delete the `Schema`.
`static boolean`	`equalsIgnoreVersion(Schema schema1, Schema schema2)`	Compare two schemas ignoring their version number.
`static Schema`	`fromZNRecord(org.apache.helix.zookeeper.datamodel.ZNRecord record)`	Fetch `Schema` from a `ZNRecord`.
`static Schema`	`getSchema(String host, int port, String schemaName)`	Given host, port and schema name, send a http GET request to download the `Schema`.
`static void`	`main(String[] args)`	An example on how to use this utility class.
`static boolean`	`postSchema(String host, int port, Schema schema)`	Given host, port and schema, send a http POST request to upload the `Schema`.
`static org.apache.helix.zookeeper.datamodel.ZNRecord`	`toZNRecord(Schema schema)`	Wrap `Schema` into a `ZNRecord`.

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

Method Detail

fromZNRecord

public static Schema fromZNRecord(@Nonnull
                                  org.apache.helix.zookeeper.datamodel.ZNRecord record)
                           throws IOException

Fetch Schema from a ZNRecord.

Throws:: IOException

toZNRecord

public static org.apache.helix.zookeeper.datamodel.ZNRecord toZNRecord(@Nonnull
                                                                       Schema schema)

Wrap Schema into a ZNRecord.

getSchema

@Nullable
public static Schema getSchema(@Nonnull
                               String host,
                               int port,
                               @Nonnull
                               String schemaName)

Given host, port and schema name, send a http GET request to download the Schema.

Returns:: schema on success.
null on failure.

postSchema

public static boolean postSchema(@Nonnull
                                 String host,
                                 int port,
                                 @Nonnull
                                 Schema schema)

Given host, port and schema, send a http POST request to upload the Schema.

Returns:: true on success.
false on failure.

deleteSchema

public static boolean deleteSchema(@Nonnull
                                   String host,
                                   int port,
                                   @Nonnull
                                   String schemaName)

Given host, port and schema name, send a http DELETE request to delete the Schema.

Returns:: true on success.
false on failure.

equalsIgnoreVersion

public static boolean equalsIgnoreVersion(@Nonnull
                                          Schema schema1,
                                          @Nonnull
                                          Schema schema2)

Compare two schemas ignoring their version number.

Returns:: true if two schemas equal to each other.
falseif two schemas do not equal to each other.

main
```
public static void main(String[] args)
```
An example on how to use this utility class.

Class SchemaUtils