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/*
* Copyright 2019-2024 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;
import javax.annotation.Generated;
import com.amazonaws.AmazonWebServiceRequest;
/**
*
* Represents the input of a GetItem operation.
*
*
* @see AWS API
* Documentation
*/
@Generated("com.amazonaws:aws-java-sdk-code-generator")
public class GetItemRequest extends com.amazonaws.AmazonWebServiceRequest implements Serializable, Cloneable {
/**
*
* The name of the table containing the requested item. You can also provide the Amazon Resource Name (ARN) of the
* table in this parameter.
*
*/
private String tableName;
/**
*
* A map of attribute names to AttributeValue objects, representing the primary key of the item to
* retrieve.
*
*
* For the primary key, you must provide all of the attributes. For example, with a simple primary key, you only
* need to provide a value for the partition key. For a composite primary key, you must provide values for both the
* partition key and the sort key.
*
*/
private java.util.Map key;
/**
*
* This is a legacy parameter. Use ProjectionExpression instead. For more information, see AttributesToGet in the Amazon DynamoDB Developer Guide.
*
*/
private java.util.List attributesToGet;
/**
*
* Determines the read consistency model: If set to true, then the operation uses strongly consistent
* reads; otherwise, the operation uses eventually consistent reads.
*
*/
private Boolean consistentRead;
private String returnConsumedCapacity;
/**
*
* A string that identifies one or more attributes to retrieve from the table. These attributes can include scalars,
* sets, or elements of a JSON document. The attributes in the expression must be separated by commas.
*
*
* If no attribute names are specified, then all attributes are returned. If any of the requested attributes are not
* found, they do not appear in the result.
*
*
* For more information, see Specifying Item Attributes in the Amazon DynamoDB Developer Guide.
*
*/
private String projectionExpression;
/**
*
* One or more substitution tokens for attribute names in an expression. The following are some use cases for using
* ExpressionAttributeNames:
*
*
* -
*
* To access an attribute whose name conflicts with a DynamoDB reserved word.
*
*
* -
*
* To create a placeholder for repeating occurrences of an attribute name in an expression.
*
*
* -
*
* To prevent special characters in an attribute name from being misinterpreted in an expression.
*
*
*
*
* Use the # character in an expression to dereference an attribute name. For example, consider the following
* attribute name:
*
*
* -
*
* Percentile
*
*
*
*
* The name of this attribute conflicts with a reserved word, so it cannot be used directly in an expression. (For
* the complete list of reserved words, see Reserved Words in
* the Amazon DynamoDB Developer Guide). To work around this, you could specify the following for
* ExpressionAttributeNames:
*
*
* -
*
* {"#P":"Percentile"}
*
*
*
*
* You could then use this substitution in an expression, as in this example:
*
*
* -
*
* #P = :val
*
*
*
*
*
* Tokens that begin with the : character are expression attribute values, which are placeholders for
* the actual value at runtime.
*
*
*
* For more information on expression attribute names, see Specifying Item Attributes in the Amazon DynamoDB Developer Guide.
*
*/
private java.util.Map expressionAttributeNames;
/**
* Default constructor for GetItemRequest object. Callers should use the setter or fluent setter (with...) methods
* to initialize the 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 containing the requested item. You can also provide the Amazon Resource Name (ARN)
* of the table in this parameter.
* @param key
* A map of attribute names to AttributeValue objects, representing the primary key of the item
* to retrieve.
*
* For the primary key, you must provide all of the attributes. For example, with a simple primary key, you
* only need to provide a value for the partition key. For a composite primary key, you must provide values
* for both the partition key and the sort key.
*/
public GetItemRequest(String tableName, java.util.Map key) {
setTableName(tableName);
setKey(key);
}
/**
* 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 containing the requested item. You can also provide the Amazon Resource Name (ARN)
* of the table in this parameter.
* @param key
* A map of attribute names to AttributeValue objects, representing the primary key of the item
* to retrieve.
*
* For the primary key, you must provide all of the attributes. For example, with a simple primary key, you
* only need to provide a value for the partition key. For a composite primary key, you must provide values
* for both the partition key and the sort key.
* @param consistentRead
* Determines the read consistency model: If set to true, then the operation uses strongly
* consistent reads; otherwise, the operation uses eventually consistent reads.
*/
public GetItemRequest(String tableName, java.util.Map key, Boolean consistentRead) {
setTableName(tableName);
setKey(key);
setConsistentRead(consistentRead);
}
/**
*
* The name of the table containing the requested item. You can also provide the Amazon Resource Name (ARN) of the
* table in this parameter.
*
*
* @param tableName
* The name of the table containing the requested item. You can also provide the Amazon Resource Name (ARN)
* of the table in this parameter.
*/
public void setTableName(String tableName) {
this.tableName = tableName;
}
/**
*
* The name of the table containing the requested item. You can also provide the Amazon Resource Name (ARN) of the
* table in this parameter.
*
*
* @return The name of the table containing the requested item. You can also provide the Amazon Resource Name (ARN)
* of the table in this parameter.
*/
public String getTableName() {
return this.tableName;
}
/**
*
* The name of the table containing the requested item. You can also provide the Amazon Resource Name (ARN) of the
* table in this parameter.
*
*
* @param tableName
* The name of the table containing the requested item. You can also provide the Amazon Resource Name (ARN)
* of the table in this parameter.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public GetItemRequest withTableName(String tableName) {
setTableName(tableName);
return this;
}
/**
*
* A map of attribute names to AttributeValue objects, representing the primary key of the item to
* retrieve.
*
*
* For the primary key, you must provide all of the attributes. For example, with a simple primary key, you only
* need to provide a value for the partition key. For a composite primary key, you must provide values for both the
* partition key and the sort key.
*
*
* @return A map of attribute names to AttributeValue objects, representing the primary key of the item
* to retrieve.
*
* For the primary key, you must provide all of the attributes. For example, with a simple primary key, you
* only need to provide a value for the partition key. For a composite primary key, you must provide values
* for both the partition key and the sort key.
*/
public java.util.Map getKey() {
return key;
}
/**
*
* A map of attribute names to AttributeValue objects, representing the primary key of the item to
* retrieve.
*
*
* For the primary key, you must provide all of the attributes. For example, with a simple primary key, you only
* need to provide a value for the partition key. For a composite primary key, you must provide values for both the
* partition key and the sort key.
*
*
* @param key
* A map of attribute names to AttributeValue objects, representing the primary key of the item
* to retrieve.
*
* For the primary key, you must provide all of the attributes. For example, with a simple primary key, you
* only need to provide a value for the partition key. For a composite primary key, you must provide values
* for both the partition key and the sort key.
*/
public void setKey(java.util.Map key) {
this.key = key;
}
/**
*
* A map of attribute names to AttributeValue objects, representing the primary key of the item to
* retrieve.
*
*
* For the primary key, you must provide all of the attributes. For example, with a simple primary key, you only
* need to provide a value for the partition key. For a composite primary key, you must provide values for both the
* partition key and the sort key.
*
*
* @param key
* A map of attribute names to AttributeValue objects, representing the primary key of the item
* to retrieve.
*
* For the primary key, you must provide all of the attributes. For example, with a simple primary key, you
* only need to provide a value for the partition key. For a composite primary key, you must provide values
* for both the partition key and the sort key.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public GetItemRequest withKey(java.util.Map key) {
setKey(key);
return this;
}
/**
* Add a single Key entry
*
* @see GetItemRequest#withKey
* @returns a reference to this object so that method calls can be chained together.
*/
public GetItemRequest addKeyEntry(String key, AttributeValue value) {
if (null == this.key) {
this.key = new java.util.HashMap();
}
if (this.key.containsKey(key))
throw new IllegalArgumentException("Duplicated keys (" + key.toString() + ") are provided.");
this.key.put(key, value);
return this;
}
/**
* Removes all the entries added into Key.
*
* @return Returns a reference to this object so that method calls can be chained together.
*/
public GetItemRequest clearKeyEntries() {
this.key = null;
return this;
}
/**
*
* This is a legacy parameter. Use ProjectionExpression instead. For more information, see AttributesToGet in the Amazon DynamoDB Developer Guide.
*
*
* @return This is a legacy parameter. Use ProjectionExpression instead. For more information, see AttributesToGet in the Amazon DynamoDB Developer Guide.
*/
public java.util.List getAttributesToGet() {
return attributesToGet;
}
/**
*
* This is a legacy parameter. Use ProjectionExpression instead. For more information, see AttributesToGet in the Amazon DynamoDB Developer Guide.
*
*
* @param attributesToGet
* This is a legacy parameter. Use ProjectionExpression instead. For more information, see AttributesToGet in the Amazon DynamoDB Developer Guide.
*/
public void setAttributesToGet(java.util.Collection attributesToGet) {
if (attributesToGet == null) {
this.attributesToGet = null;
return;
}
this.attributesToGet = new java.util.ArrayList(attributesToGet);
}
/**
*
* This is a legacy parameter. Use ProjectionExpression instead. For more information, see AttributesToGet in the Amazon DynamoDB Developer Guide.
*
*
* NOTE: This method appends the values to the existing list (if any). Use
* {@link #setAttributesToGet(java.util.Collection)} or {@link #withAttributesToGet(java.util.Collection)} if you
* want to override the existing values.
*
*
* @param attributesToGet
* This is a legacy parameter. Use ProjectionExpression instead. For more information, see AttributesToGet in the Amazon DynamoDB Developer Guide.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public GetItemRequest withAttributesToGet(String... attributesToGet) {
if (this.attributesToGet == null) {
setAttributesToGet(new java.util.ArrayList(attributesToGet.length));
}
for (String ele : attributesToGet) {
this.attributesToGet.add(ele);
}
return this;
}
/**
*
* This is a legacy parameter. Use ProjectionExpression instead. For more information, see AttributesToGet in the Amazon DynamoDB Developer Guide.
*
*
* @param attributesToGet
* This is a legacy parameter. Use ProjectionExpression instead. For more information, see AttributesToGet in the Amazon DynamoDB Developer Guide.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public GetItemRequest withAttributesToGet(java.util.Collection attributesToGet) {
setAttributesToGet(attributesToGet);
return this;
}
/**
*
* Determines the read consistency model: If set to true, then the operation uses strongly consistent
* reads; otherwise, the operation uses eventually consistent reads.
*
*
* @param consistentRead
* Determines the read consistency model: If set to true, then the operation uses strongly
* consistent reads; otherwise, the operation uses eventually consistent reads.
*/
public void setConsistentRead(Boolean consistentRead) {
this.consistentRead = consistentRead;
}
/**
*
* Determines the read consistency model: If set to true, then the operation uses strongly consistent
* reads; otherwise, the operation uses eventually consistent reads.
*
*
* @return Determines the read consistency model: If set to true, then the operation uses strongly
* consistent reads; otherwise, the operation uses eventually consistent reads.
*/
public Boolean getConsistentRead() {
return this.consistentRead;
}
/**
*
* Determines the read consistency model: If set to true, then the operation uses strongly consistent
* reads; otherwise, the operation uses eventually consistent reads.
*
*
* @param consistentRead
* Determines the read consistency model: If set to true, then the operation uses strongly
* consistent reads; otherwise, the operation uses eventually consistent reads.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public GetItemRequest withConsistentRead(Boolean consistentRead) {
setConsistentRead(consistentRead);
return this;
}
/**
*
* Determines the read consistency model: If set to true, then the operation uses strongly consistent
* reads; otherwise, the operation uses eventually consistent reads.
*
*
* @return Determines the read consistency model: If set to true, then the operation uses strongly
* consistent reads; otherwise, the operation uses eventually consistent reads.
*/
public Boolean isConsistentRead() {
return this.consistentRead;
}
/**
* @param returnConsumedCapacity
* @see ReturnConsumedCapacity
*/
public void setReturnConsumedCapacity(String returnConsumedCapacity) {
this.returnConsumedCapacity = returnConsumedCapacity;
}
/**
* @return
* @see ReturnConsumedCapacity
*/
public String getReturnConsumedCapacity() {
return this.returnConsumedCapacity;
}
/**
* @param returnConsumedCapacity
* @return Returns a reference to this object so that method calls can be chained together.
* @see ReturnConsumedCapacity
*/
public GetItemRequest withReturnConsumedCapacity(String returnConsumedCapacity) {
setReturnConsumedCapacity(returnConsumedCapacity);
return this;
}
/**
* @param returnConsumedCapacity
* @see ReturnConsumedCapacity
*/
public void setReturnConsumedCapacity(ReturnConsumedCapacity returnConsumedCapacity) {
withReturnConsumedCapacity(returnConsumedCapacity);
}
/**
* @param returnConsumedCapacity
* @return Returns a reference to this object so that method calls can be chained together.
* @see ReturnConsumedCapacity
*/
public GetItemRequest withReturnConsumedCapacity(ReturnConsumedCapacity returnConsumedCapacity) {
this.returnConsumedCapacity = returnConsumedCapacity.toString();
return this;
}
/**
*
* A string that identifies one or more attributes to retrieve from the table. These attributes can include scalars,
* sets, or elements of a JSON document. The attributes in the expression must be separated by commas.
*
*
* If no attribute names are specified, then all attributes are returned. If any of the requested attributes are not
* found, they do not appear in the result.
*
*
* For more information, see Specifying Item Attributes in the Amazon DynamoDB Developer Guide.
*
*
* @param projectionExpression
* A string that identifies one or more attributes to retrieve from the table. These attributes can include
* scalars, sets, or elements of a JSON document. The attributes in the expression must be separated by
* commas.
*
* If no attribute names are specified, then all attributes are returned. If any of the requested attributes
* are not found, they do not appear in the result.
*
*
* For more information, see Specifying Item Attributes in the Amazon DynamoDB Developer Guide.
*/
public void setProjectionExpression(String projectionExpression) {
this.projectionExpression = projectionExpression;
}
/**
*
* A string that identifies one or more attributes to retrieve from the table. These attributes can include scalars,
* sets, or elements of a JSON document. The attributes in the expression must be separated by commas.
*
*
* If no attribute names are specified, then all attributes are returned. If any of the requested attributes are not
* found, they do not appear in the result.
*
*
* For more information, see Specifying Item Attributes in the Amazon DynamoDB Developer Guide.
*
*
* @return A string that identifies one or more attributes to retrieve from the table. These attributes can include
* scalars, sets, or elements of a JSON document. The attributes in the expression must be separated by
* commas.
*
* If no attribute names are specified, then all attributes are returned. If any of the requested attributes
* are not found, they do not appear in the result.
*
*
* For more information, see Specifying Item Attributes in the Amazon DynamoDB Developer Guide.
*/
public String getProjectionExpression() {
return this.projectionExpression;
}
/**
*
* A string that identifies one or more attributes to retrieve from the table. These attributes can include scalars,
* sets, or elements of a JSON document. The attributes in the expression must be separated by commas.
*
*
* If no attribute names are specified, then all attributes are returned. If any of the requested attributes are not
* found, they do not appear in the result.
*
*
* For more information, see Specifying Item Attributes in the Amazon DynamoDB Developer Guide.
*
*
* @param projectionExpression
* A string that identifies one or more attributes to retrieve from the table. These attributes can include
* scalars, sets, or elements of a JSON document. The attributes in the expression must be separated by
* commas.
*
* If no attribute names are specified, then all attributes are returned. If any of the requested attributes
* are not found, they do not appear in the result.
*
*
* For more information, see Specifying Item Attributes in the Amazon DynamoDB Developer Guide.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public GetItemRequest withProjectionExpression(String projectionExpression) {
setProjectionExpression(projectionExpression);
return this;
}
/**
*
* One or more substitution tokens for attribute names in an expression. The following are some use cases for using
* ExpressionAttributeNames:
*
*
* -
*
* To access an attribute whose name conflicts with a DynamoDB reserved word.
*
*
* -
*
* To create a placeholder for repeating occurrences of an attribute name in an expression.
*
*
* -
*
* To prevent special characters in an attribute name from being misinterpreted in an expression.
*
*
*
*
* Use the # character in an expression to dereference an attribute name. For example, consider the following
* attribute name:
*
*
* -
*
* Percentile
*
*
*
*
* The name of this attribute conflicts with a reserved word, so it cannot be used directly in an expression. (For
* the complete list of reserved words, see Reserved Words in
* the Amazon DynamoDB Developer Guide). To work around this, you could specify the following for
* ExpressionAttributeNames:
*
*
* -
*
* {"#P":"Percentile"}
*
*
*
*
* You could then use this substitution in an expression, as in this example:
*
*
* -
*
* #P = :val
*
*
*
*
*
* Tokens that begin with the : character are expression attribute values, which are placeholders for
* the actual value at runtime.
*
*
*
* For more information on expression attribute names, see Specifying Item Attributes in the Amazon DynamoDB Developer Guide.
*
*
* @return One or more substitution tokens for attribute names in an expression. The following are some use cases
* for using ExpressionAttributeNames:
*
* -
*
* To access an attribute whose name conflicts with a DynamoDB reserved word.
*
*
* -
*
* To create a placeholder for repeating occurrences of an attribute name in an expression.
*
*
* -
*
* To prevent special characters in an attribute name from being misinterpreted in an expression.
*
*
*
*
* Use the # character in an expression to dereference an attribute name. For example, consider the
* following attribute name:
*
*
* -
*
* Percentile
*
*
*
*
* The name of this attribute conflicts with a reserved word, so it cannot be used directly in an
* expression. (For the complete list of reserved words, see Reserved
* Words in the Amazon DynamoDB Developer Guide). To work around this, you could specify the
* following for ExpressionAttributeNames:
*
*
* -
*
* {"#P":"Percentile"}
*
*
*
*
* You could then use this substitution in an expression, as in this example:
*
*
* -
*
* #P = :val
*
*
*
*
*
* Tokens that begin with the : character are expression attribute values, which are
* placeholders for the actual value at runtime.
*
*
*
* For more information on expression attribute names, see Specifying Item Attributes in the Amazon DynamoDB Developer Guide.
*/
public java.util.Map getExpressionAttributeNames() {
return expressionAttributeNames;
}
/**
*
* One or more substitution tokens for attribute names in an expression. The following are some use cases for using
* ExpressionAttributeNames:
*
*
* -
*
* To access an attribute whose name conflicts with a DynamoDB reserved word.
*
*
* -
*
* To create a placeholder for repeating occurrences of an attribute name in an expression.
*
*
* -
*
* To prevent special characters in an attribute name from being misinterpreted in an expression.
*
*
*
*
* Use the # character in an expression to dereference an attribute name. For example, consider the following
* attribute name:
*
*
* -
*
* Percentile
*
*
*
*
* The name of this attribute conflicts with a reserved word, so it cannot be used directly in an expression. (For
* the complete list of reserved words, see Reserved Words in
* the Amazon DynamoDB Developer Guide). To work around this, you could specify the following for
* ExpressionAttributeNames:
*
*
* -
*
* {"#P":"Percentile"}
*
*
*
*
* You could then use this substitution in an expression, as in this example:
*
*
* -
*
* #P = :val
*
*
*
*
*
* Tokens that begin with the : character are expression attribute values, which are placeholders for
* the actual value at runtime.
*
*
*
* For more information on expression attribute names, see Specifying Item Attributes in the Amazon DynamoDB Developer Guide.
*
*
* @param expressionAttributeNames
* One or more substitution tokens for attribute names in an expression. The following are some use cases for
* using ExpressionAttributeNames:
*
* -
*
* To access an attribute whose name conflicts with a DynamoDB reserved word.
*
*
* -
*
* To create a placeholder for repeating occurrences of an attribute name in an expression.
*
*
* -
*
* To prevent special characters in an attribute name from being misinterpreted in an expression.
*
*
*
*
* Use the # character in an expression to dereference an attribute name. For example, consider the
* following attribute name:
*
*
* -
*
* Percentile
*
*
*
*
* The name of this attribute conflicts with a reserved word, so it cannot be used directly in an expression.
* (For the complete list of reserved words, see Reserved
* Words in the Amazon DynamoDB Developer Guide). To work around this, you could specify the
* following for ExpressionAttributeNames:
*
*
* -
*
* {"#P":"Percentile"}
*
*
*
*
* You could then use this substitution in an expression, as in this example:
*
*
* -
*
* #P = :val
*
*
*
*
*
* Tokens that begin with the : character are expression attribute values, which are
* placeholders for the actual value at runtime.
*
*
*
* For more information on expression attribute names, see Specifying Item Attributes in the Amazon DynamoDB Developer Guide.
*/
public void setExpressionAttributeNames(java.util.Map expressionAttributeNames) {
this.expressionAttributeNames = expressionAttributeNames;
}
/**
*
* One or more substitution tokens for attribute names in an expression. The following are some use cases for using
* ExpressionAttributeNames:
*
*
* -
*
* To access an attribute whose name conflicts with a DynamoDB reserved word.
*
*
* -
*
* To create a placeholder for repeating occurrences of an attribute name in an expression.
*
*
* -
*
* To prevent special characters in an attribute name from being misinterpreted in an expression.
*
*
*
*
* Use the # character in an expression to dereference an attribute name. For example, consider the following
* attribute name:
*
*
* -
*
* Percentile
*
*
*
*
* The name of this attribute conflicts with a reserved word, so it cannot be used directly in an expression. (For
* the complete list of reserved words, see Reserved Words in
* the Amazon DynamoDB Developer Guide). To work around this, you could specify the following for
* ExpressionAttributeNames:
*
*
* -
*
* {"#P":"Percentile"}
*
*
*
*
* You could then use this substitution in an expression, as in this example:
*
*
* -
*
* #P = :val
*
*
*
*
*
* Tokens that begin with the : character are expression attribute values, which are placeholders for
* the actual value at runtime.
*
*
*
* For more information on expression attribute names, see Specifying Item Attributes in the Amazon DynamoDB Developer Guide.
*
*
* @param expressionAttributeNames
* One or more substitution tokens for attribute names in an expression. The following are some use cases for
* using ExpressionAttributeNames:
*
* -
*
* To access an attribute whose name conflicts with a DynamoDB reserved word.
*
*
* -
*
* To create a placeholder for repeating occurrences of an attribute name in an expression.
*
*
* -
*
* To prevent special characters in an attribute name from being misinterpreted in an expression.
*
*
*
*
* Use the # character in an expression to dereference an attribute name. For example, consider the
* following attribute name:
*
*
* -
*
* Percentile
*
*
*
*
* The name of this attribute conflicts with a reserved word, so it cannot be used directly in an expression.
* (For the complete list of reserved words, see Reserved
* Words in the Amazon DynamoDB Developer Guide). To work around this, you could specify the
* following for ExpressionAttributeNames:
*
*
* -
*
* {"#P":"Percentile"}
*
*
*
*
* You could then use this substitution in an expression, as in this example:
*
*
* -
*
* #P = :val
*
*
*
*
*
* Tokens that begin with the : character are expression attribute values, which are
* placeholders for the actual value at runtime.
*
*
*
* For more information on expression attribute names, see Specifying Item Attributes in the Amazon DynamoDB Developer Guide.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public GetItemRequest withExpressionAttributeNames(java.util.Map expressionAttributeNames) {
setExpressionAttributeNames(expressionAttributeNames);
return this;
}
/**
* Add a single ExpressionAttributeNames entry
*
* @see GetItemRequest#withExpressionAttributeNames
* @returns a reference to this object so that method calls can be chained together.
*/
public GetItemRequest addExpressionAttributeNamesEntry(String key, String value) {
if (null == this.expressionAttributeNames) {
this.expressionAttributeNames = new java.util.HashMap();
}
if (this.expressionAttributeNames.containsKey(key))
throw new IllegalArgumentException("Duplicated keys (" + key.toString() + ") are provided.");
this.expressionAttributeNames.put(key, value);
return this;
}
/**
* Removes all the entries added into ExpressionAttributeNames.
*
* @return Returns a reference to this object so that method calls can be chained together.
*/
public GetItemRequest clearExpressionAttributeNamesEntries() {
this.expressionAttributeNames = null;
return this;
}
/**
* Set the hash and range key attributes of the item.
*
* For a hash-only table, you only need to provide the hash attribute. For a hash-and-range table, you must provide
* both.
*
* @param hashKey
* a map entry including the name and value of the primary hash key.
* @param rangeKey
* a map entry including the name and value of the primary range key, or null if it is a hash-only table.
*/
public void setKey(java.util.Map.Entry hashKey, java.util.Map.Entry rangeKey)
throws IllegalArgumentException {
java.util.HashMap key = new java.util.HashMap();
if (hashKey != null) {
key.put(hashKey.getKey(), hashKey.getValue());
} else {
throw new IllegalArgumentException("hashKey must be non-null object.");
}
if (rangeKey != null) {
key.put(rangeKey.getKey(), rangeKey.getValue());
}
setKey(key);
}
/**
* Set the hash and range key attributes of the item.
*
* For a hash-only table, you only need to provide the hash attribute. For a hash-and-range table, you must provide
* both.
*
* Returns a reference to this object so that method calls can be chained together.
*
* @param hashKey
* a map entry including the name and value of the primary hash key.
* @param rangeKey
* a map entry including the name and value of the primary range key, or null if it is a hash-only table.
*/
public GetItemRequest withKey(java.util.Map.Entry hashKey, java.util.Map.Entry rangeKey)
throws IllegalArgumentException {
setKey(hashKey, rangeKey);
return this;
}
/**
* Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
* redacted from this string using a placeholder value.
*
* @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: ").append(getTableName()).append(",");
if (getKey() != null)
sb.append("Key: ").append(getKey()).append(",");
if (getAttributesToGet() != null)
sb.append("AttributesToGet: ").append(getAttributesToGet()).append(",");
if (getConsistentRead() != null)
sb.append("ConsistentRead: ").append(getConsistentRead()).append(",");
if (getReturnConsumedCapacity() != null)
sb.append("ReturnConsumedCapacity: ").append(getReturnConsumedCapacity()).append(",");
if (getProjectionExpression() != null)
sb.append("ProjectionExpression: ").append(getProjectionExpression()).append(",");
if (getExpressionAttributeNames() != null)
sb.append("ExpressionAttributeNames: ").append(getExpressionAttributeNames());
sb.append("}");
return sb.toString();
}
@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.getConsistentRead() == null ^ this.getConsistentRead() == null)
return false;
if (other.getConsistentRead() != null && other.getConsistentRead().equals(this.getConsistentRead()) == false)
return false;
if (other.getReturnConsumedCapacity() == null ^ this.getReturnConsumedCapacity() == null)
return false;
if (other.getReturnConsumedCapacity() != null && other.getReturnConsumedCapacity().equals(this.getReturnConsumedCapacity()) == false)
return false;
if (other.getProjectionExpression() == null ^ this.getProjectionExpression() == null)
return false;
if (other.getProjectionExpression() != null && other.getProjectionExpression().equals(this.getProjectionExpression()) == false)
return false;
if (other.getExpressionAttributeNames() == null ^ this.getExpressionAttributeNames() == null)
return false;
if (other.getExpressionAttributeNames() != null && other.getExpressionAttributeNames().equals(this.getExpressionAttributeNames()) == false)
return false;
return true;
}
@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 + ((getConsistentRead() == null) ? 0 : getConsistentRead().hashCode());
hashCode = prime * hashCode + ((getReturnConsumedCapacity() == null) ? 0 : getReturnConsumedCapacity().hashCode());
hashCode = prime * hashCode + ((getProjectionExpression() == null) ? 0 : getProjectionExpression().hashCode());
hashCode = prime * hashCode + ((getExpressionAttributeNames() == null) ? 0 : getExpressionAttributeNames().hashCode());
return hashCode;
}
@Override
public GetItemRequest clone() {
return (GetItemRequest) super.clone();
}
}