com.amazonaws.services.dynamodb.model.GetItemRequest Maven / Gradle / Ivy
/*
* Copyright 2010-2013 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.dynamodb.model;
import com.amazonaws.AmazonWebServiceRequest;
import java.io.Serializable;
/**
* Container for the parameters to the {@link com.amazonaws.services.dynamodb.AmazonDynamoDB#getItem(GetItemRequest) GetItem operation}.
*
* Retrieves a set of Attributes for an item that matches the primary key.
*
*
* The GetItem operation provides an eventually-consistent read by default. If eventually-consistent reads are not acceptable for your
* application, use ConsistentRead . Although this operation might take longer than a standard read, it always returns the last updated
* value.
*
*
* @see com.amazonaws.services.dynamodb.AmazonDynamoDB#getItem(GetItemRequest)
*/
@Deprecated
public class GetItemRequest extends AmazonWebServiceRequest implements Serializable {
/**
* The name of the table in which you want to get an item. Allowed
* characters are a-z, A-Z, 0-9,
* _ (underscore), - (hyphen) and
* . (period).
*
* Constraints:
* Length: 3 - 255
* Pattern: [a-zA-Z0-9_.-]+
*/
private String tableName;
/**
* The primary key that uniquely identifies each item in a table. A
* primary key can be a one attribute (hash) primary key or a two
* attribute (hash-and-range) primary key.
*/
private Key key;
/**
* List of Attribute names. If attribute names are not
* specified then all attributes will be returned. If some attributes are
* not found, they will not appear in the result.
*
* Constraints:
* Length: 1 -
*/
private java.util.List attributesToGet;
/**
* If set to true, then a consistent read is issued.
* Otherwise eventually-consistent is used.
*/
private Boolean consistentRead;
/**
* Default constructor for a new GetItemRequest object. Callers should use the
* setter or fluent setter (with...) methods to initialize this object after creating it.
*/
public GetItemRequest() {}
/**
* Constructs a new GetItemRequest object.
* Callers should use the setter or fluent setter (with...) methods to
* initialize any additional object members.
*
* @param tableName The name of the table in which you want to get an
* item. Allowed characters are a-z, A-Z,
* 0-9, _ (underscore), - (hyphen)
* and . (period).
* @param key The primary key that uniquely identifies each item in a
* table. A primary key can be a one attribute (hash) primary key or a
* two attribute (hash-and-range) primary key.
*/
public GetItemRequest(String tableName, Key key) {
this.tableName = tableName;
this.key = key;
}
/**
* The name of the table in which you want to get an item. Allowed
* characters are a-z, A-Z, 0-9,
* _ (underscore), - (hyphen) and
* . (period).
*
* Constraints:
* Length: 3 - 255
* Pattern: [a-zA-Z0-9_.-]+
*
* @return The name of the table in which you want to get an item. Allowed
* characters are a-z, A-Z, 0-9,
* _ (underscore), - (hyphen) and
* . (period).
*/
public String getTableName() {
return tableName;
}
/**
* The name of the table in which you want to get an item. Allowed
* characters are a-z, A-Z, 0-9,
* _ (underscore), - (hyphen) and
* . (period).
*
* Constraints:
* Length: 3 - 255
* Pattern: [a-zA-Z0-9_.-]+
*
* @param tableName The name of the table in which you want to get an item. Allowed
* characters are a-z, A-Z, 0-9,
* _ (underscore), - (hyphen) and
* . (period).
*/
public void setTableName(String tableName) {
this.tableName = tableName;
}
/**
* The name of the table in which you want to get an item. Allowed
* characters are a-z, A-Z, 0-9,
* _ (underscore), - (hyphen) and
* . (period).
*
* Returns a reference to this object so that method calls can be chained together.
*
* Constraints:
* Length: 3 - 255
* Pattern: [a-zA-Z0-9_.-]+
*
* @param tableName The name of the table in which you want to get an item. Allowed
* characters are a-z, A-Z, 0-9,
* _ (underscore), - (hyphen) and
* . (period).
*
* @return A reference to this updated object so that method calls can be chained
* together.
*/
public GetItemRequest withTableName(String tableName) {
this.tableName = tableName;
return this;
}
/**
* The primary key that uniquely identifies each item in a table. A
* primary key can be a one attribute (hash) primary key or a two
* attribute (hash-and-range) primary key.
*
* @return The primary key that uniquely identifies each item in a table. A
* primary key can be a one attribute (hash) primary key or a two
* attribute (hash-and-range) primary key.
*/
public Key getKey() {
return key;
}
/**
* The primary key that uniquely identifies each item in a table. A
* primary key can be a one attribute (hash) primary key or a two
* attribute (hash-and-range) primary key.
*
* @param key The primary key that uniquely identifies each item in a table. A
* primary key can be a one attribute (hash) primary key or a two
* attribute (hash-and-range) primary key.
*/
public void setKey(Key key) {
this.key = key;
}
/**
* The primary key that uniquely identifies each item in a table. A
* primary key can be a one attribute (hash) primary key or a two
* attribute (hash-and-range) primary key.
*
* Returns a reference to this object so that method calls can be chained together.
*
* @param key The primary key that uniquely identifies each item in a table. A
* primary key can be a one attribute (hash) primary key or a two
* attribute (hash-and-range) primary key.
*
* @return A reference to this updated object so that method calls can be chained
* together.
*/
public GetItemRequest withKey(Key key) {
this.key = key;
return this;
}
/**
* List of Attribute names. If attribute names are not
* specified then all attributes will be returned. If some attributes are
* not found, they will not appear in the result.
*
* Constraints:
* Length: 1 -
*
* @return List of Attribute names. If attribute names are not
* specified then all attributes will be returned. If some attributes are
* not found, they will not appear in the result.
*/
public java.util.List getAttributesToGet() {
return attributesToGet;
}
/**
* List of Attribute names. If attribute names are not
* specified then all attributes will be returned. If some attributes are
* not found, they will not appear in the result.
*
* Constraints:
* Length: 1 -
*
* @param attributesToGet List of Attribute names. If attribute names are not
* specified then all attributes will be returned. If some attributes are
* not found, they will not appear in the result.
*/
public void setAttributesToGet(java.util.Collection attributesToGet) {
if (attributesToGet == null) {
this.attributesToGet = null;
return;
}
java.util.List attributesToGetCopy = new java.util.ArrayList(attributesToGet.size());
attributesToGetCopy.addAll(attributesToGet);
this.attributesToGet = attributesToGetCopy;
}
/**
* List of Attribute names. If attribute names are not
* specified then all attributes will be returned. If some attributes are
* not found, they will not appear in the result.
*
* Returns a reference to this object so that method calls can be chained together.
*
* Constraints:
* Length: 1 -
*
* @param attributesToGet List of Attribute names. If attribute names are not
* specified then all attributes will be returned. If some attributes are
* not found, they will not appear in the result.
*
* @return A reference to this updated object so that method calls can be chained
* together.
*/
public GetItemRequest withAttributesToGet(String... attributesToGet) {
if (getAttributesToGet() == null) setAttributesToGet(new java.util.ArrayList(attributesToGet.length));
for (String value : attributesToGet) {
getAttributesToGet().add(value);
}
return this;
}
/**
* List of Attribute names. If attribute names are not
* specified then all attributes will be returned. If some attributes are
* not found, they will not appear in the result.
*
* Returns a reference to this object so that method calls can be chained together.
*
* Constraints:
* Length: 1 -
*
* @param attributesToGet List of Attribute names. If attribute names are not
* specified then all attributes will be returned. If some attributes are
* not found, they will not appear in the result.
*
* @return A reference to this updated object so that method calls can be chained
* together.
*/
public GetItemRequest withAttributesToGet(java.util.Collection attributesToGet) {
if (attributesToGet == null) {
this.attributesToGet = null;
} else {
java.util.List attributesToGetCopy = new java.util.ArrayList(attributesToGet.size());
attributesToGetCopy.addAll(attributesToGet);
this.attributesToGet = attributesToGetCopy;
}
return this;
}
/**
* If set to true, then a consistent read is issued.
* Otherwise eventually-consistent is used.
*
* @return If set to true, then a consistent read is issued.
* Otherwise eventually-consistent is used.
*/
public Boolean isConsistentRead() {
return consistentRead;
}
/**
* If set to true, then a consistent read is issued.
* Otherwise eventually-consistent is used.
*
* @param consistentRead If set to true, then a consistent read is issued.
* Otherwise eventually-consistent is used.
*/
public void setConsistentRead(Boolean consistentRead) {
this.consistentRead = consistentRead;
}
/**
* If set to true, then a consistent read is issued.
* Otherwise eventually-consistent is used.
*
* Returns a reference to this object so that method calls can be chained together.
*
* @param consistentRead If set to true, then a consistent read is issued.
* Otherwise eventually-consistent is used.
*
* @return A reference to this updated object so that method calls can be chained
* together.
*/
public GetItemRequest withConsistentRead(Boolean consistentRead) {
this.consistentRead = consistentRead;
return this;
}
/**
* If set to true, then a consistent read is issued.
* Otherwise eventually-consistent is used.
*
* @return If set to true, then a consistent read is issued.
* Otherwise eventually-consistent is used.
*/
public Boolean getConsistentRead() {
return consistentRead;
}
/**
* 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 (getTableName() != null) sb.append("TableName: " + getTableName() + ", ");
if (getKey() != null) sb.append("Key: " + getKey() + ", ");
if (getAttributesToGet() != null) sb.append("AttributesToGet: " + getAttributesToGet() + ", ");
if (isConsistentRead() != null) sb.append("ConsistentRead: " + isConsistentRead() + ", ");
sb.append("}");
return sb.toString();
}
@Override
public int hashCode() {
final int prime = 31;
int hashCode = 1;
hashCode = prime * hashCode + ((getTableName() == null) ? 0 : getTableName().hashCode());
hashCode = prime * hashCode + ((getKey() == null) ? 0 : getKey().hashCode());
hashCode = prime * hashCode + ((getAttributesToGet() == null) ? 0 : getAttributesToGet().hashCode());
hashCode = prime * hashCode + ((isConsistentRead() == null) ? 0 : isConsistentRead().hashCode());
return hashCode;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (obj instanceof GetItemRequest == false) return false;
GetItemRequest other = (GetItemRequest)obj;
if (other.getTableName() == null ^ this.getTableName() == null) return false;
if (other.getTableName() != null && other.getTableName().equals(this.getTableName()) == false) return false;
if (other.getKey() == null ^ this.getKey() == null) return false;
if (other.getKey() != null && other.getKey().equals(this.getKey()) == false) return false;
if (other.getAttributesToGet() == null ^ this.getAttributesToGet() == null) return false;
if (other.getAttributesToGet() != null && other.getAttributesToGet().equals(this.getAttributesToGet()) == false) return false;
if (other.isConsistentRead() == null ^ this.isConsistentRead() == null) return false;
if (other.isConsistentRead() != null && other.isConsistentRead().equals(this.isConsistentRead()) == false) return false;
return true;
}
}