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The AWS Java SDK for Amazon DynamoDB module holds the client classes that are used for communicating with Amazon DynamoDB Service
/*
* Copyright 2010-2016 Amazon.com, Inc. or its affiliates. All Rights
* Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.amazonaws.services.dynamodbv2.model;
import java.io.Serializable;
/**
*
* A uniquely identified group of stream records within a stream.
*
*/
public class Shard implements Serializable, Cloneable {
/**
*
* The system-generated identifier for this shard.
*
*/
private String shardId;
/**
*
* The range of possible sequence numbers for the shard.
*
*/
private SequenceNumberRange sequenceNumberRange;
/**
*
* The shard ID of the current shard's parent.
*
*/
private String parentShardId;
/**
*
* The system-generated identifier for this shard.
*
*
* @param shardId
* The system-generated identifier for this shard.
*/
public void setShardId(String shardId) {
this.shardId = shardId;
}
/**
*
* The system-generated identifier for this shard.
*
*
* @return The system-generated identifier for this shard.
*/
public String getShardId() {
return this.shardId;
}
/**
*
* The system-generated identifier for this shard.
*
*
* @param shardId
* The system-generated identifier for this shard.
* @return Returns a reference to this object so that method calls can be
* chained together.
*/
public Shard withShardId(String shardId) {
setShardId(shardId);
return this;
}
/**
*
* The range of possible sequence numbers for the shard.
*
*
* @param sequenceNumberRange
* The range of possible sequence numbers for the shard.
*/
public void setSequenceNumberRange(SequenceNumberRange sequenceNumberRange) {
this.sequenceNumberRange = sequenceNumberRange;
}
/**
*
* The range of possible sequence numbers for the shard.
*
*
* @return The range of possible sequence numbers for the shard.
*/
public SequenceNumberRange getSequenceNumberRange() {
return this.sequenceNumberRange;
}
/**
*
* The range of possible sequence numbers for the shard.
*
*
* @param sequenceNumberRange
* The range of possible sequence numbers for the shard.
* @return Returns a reference to this object so that method calls can be
* chained together.
*/
public Shard withSequenceNumberRange(SequenceNumberRange sequenceNumberRange) {
setSequenceNumberRange(sequenceNumberRange);
return this;
}
/**
*
* The shard ID of the current shard's parent.
*
*
* @param parentShardId
* The shard ID of the current shard's parent.
*/
public void setParentShardId(String parentShardId) {
this.parentShardId = parentShardId;
}
/**
*
* The shard ID of the current shard's parent.
*
*
* @return The shard ID of the current shard's parent.
*/
public String getParentShardId() {
return this.parentShardId;
}
/**
*
* The shard ID of the current shard's parent.
*
*
* @param parentShardId
* The shard ID of the current shard's parent.
* @return Returns a reference to this object so that method calls can be
* chained together.
*/
public Shard withParentShardId(String parentShardId) {
setParentShardId(parentShardId);
return this;
}
/**
* Returns a string representation of this object; useful for testing and
* debugging.
*
* @return A string representation of this object.
*
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("{");
if (getShardId() != null)
sb.append("ShardId: " + getShardId() + ",");
if (getSequenceNumberRange() != null)
sb.append("SequenceNumberRange: " + getSequenceNumberRange() + ",");
if (getParentShardId() != null)
sb.append("ParentShardId: " + getParentShardId());
sb.append("}");
return sb.toString();
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (obj instanceof Shard == false)
return false;
Shard other = (Shard) obj;
if (other.getShardId() == null ^ this.getShardId() == null)
return false;
if (other.getShardId() != null
&& other.getShardId().equals(this.getShardId()) == false)
return false;
if (other.getSequenceNumberRange() == null
^ this.getSequenceNumberRange() == null)
return false;
if (other.getSequenceNumberRange() != null
&& other.getSequenceNumberRange().equals(
this.getSequenceNumberRange()) == false)
return false;
if (other.getParentShardId() == null ^ this.getParentShardId() == null)
return false;
if (other.getParentShardId() != null
&& other.getParentShardId().equals(this.getParentShardId()) == false)
return false;
return true;
}
@Override
public int hashCode() {
final int prime = 31;
int hashCode = 1;
hashCode = prime * hashCode
+ ((getShardId() == null) ? 0 : getShardId().hashCode());
hashCode = prime
* hashCode
+ ((getSequenceNumberRange() == null) ? 0
: getSequenceNumberRange().hashCode());
hashCode = prime
* hashCode
+ ((getParentShardId() == null) ? 0 : getParentShardId()
.hashCode());
return hashCode;
}
@Override
public Shard clone() {
try {
return (Shard) super.clone();
} catch (CloneNotSupportedException e) {
throw new IllegalStateException(
"Got a CloneNotSupportedException from Object.clone() "
+ "even though we're Cloneable!", e);
}
}
}