/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.presto.kafka;
import com.facebook.presto.spi.ConnectorTableHandle;
import com.facebook.presto.spi.SchemaTableName;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.base.Objects;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Kafka specific {@link ConnectorTableHandle}.
*/
public final class KafkaTableHandle
implements ConnectorTableHandle
{
/**
* connector id
*/
private final String connectorId;
/**
* The schema name for this table. Is set through configuration and read
* using {@link KafkaConnectorConfig#getDefaultSchema()}. Usually 'default'.
*/
private final String schemaName;
/**
* The table name used by presto.
*/
private final String tableName;
/**
* The topic name that is read from Kafka.
*/
private final String topicName;
private final String keyDataFormat;
private final String messageDataFormat;
@JsonCreator
public KafkaTableHandle(
@JsonProperty("connectorId") String connectorId,
@JsonProperty("schemaName") String schemaName,
@JsonProperty("tableName") String tableName,
@JsonProperty("topicName") String topicName,
@JsonProperty("keyDataFormat") String keyDataFormat,
@JsonProperty("messageDataFormat") String messageDataFormat)
{
this.connectorId = checkNotNull(connectorId, "connectorId is null");
this.schemaName = checkNotNull(schemaName, "schemaName is null");
this.tableName = checkNotNull(tableName, "tableName is null");
this.topicName = checkNotNull(topicName, "topicName is null");
this.keyDataFormat = checkNotNull(keyDataFormat, "keyDataFormat is null");
this.messageDataFormat = checkNotNull(messageDataFormat, "messageDataFormat is null");
}
@JsonProperty
public String getConnectorId()
{
return connectorId;
}
@JsonProperty
public String getSchemaName()
{
return schemaName;
}
@JsonProperty
public String getTableName()
{
return tableName;
}
@JsonProperty
public String getTopicName()
{
return topicName;
}
@JsonProperty
public String getKeyDataFormat()
{
return keyDataFormat;
}
@JsonProperty
public String getMessageDataFormat()
{
return messageDataFormat;
}
public SchemaTableName toSchemaTableName()
{
return new SchemaTableName(schemaName, tableName);
}
@Override
public int hashCode()
{
return Objects.hashCode(connectorId, schemaName, tableName, topicName, keyDataFormat, messageDataFormat);
}
@Override
public boolean equals(Object obj)
{
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
KafkaTableHandle other = (KafkaTableHandle) obj;
return Objects.equal(this.connectorId, other.connectorId)
&& Objects.equal(this.schemaName, other.schemaName)
&& Objects.equal(this.tableName, other.tableName)
&& Objects.equal(this.topicName, other.topicName)
&& Objects.equal(this.keyDataFormat, other.keyDataFormat)
&& Objects.equal(this.messageDataFormat, other.messageDataFormat);
}
@Override
public String toString()
{
return Objects.toStringHelper(this)
.add("connectorId", connectorId)
.add("schemaName", schemaName)
.add("tableName", tableName)
.add("topicName", topicName)
.add("keyDataFormat", keyDataFormat)
.add("messageDataFormat", messageDataFormat)
.toString();
}
}