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  /*
   * Copyright 2010-2014 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.simpledb.model;
 

Specifies the conditions under which data should be updated. If an update condition is specified for a request, the data will only be updated if the condition is satisfied. For example, if an attribute with a specific name and value exists, or if a specific attribute doesn't exist.

 
 public class UpdateCondition implements Serializable {

    
The name of the attribute involved in the condition.
 
     private String name;

    
The value of an attribute. This value can only be specified when the Exists parameter is equal to true.
 
     private String value;

    
A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.
 
     private Boolean exists;

    
Default constructor for a new UpdateCondition object. Callers should use the setter or fluent setter (with...) methods to initialize this object after creating it.
 
     public UpdateCondition() {}
    
    
Constructs a new UpdateCondition object. Callers should use the setter or fluent setter (with...) methods to initialize any additional object members.

Parameters:
name The name of the attribute involved in the condition.
value The value of an attribute. This value can only be specified when the Exists parameter is equal to true.
exists A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.
 
     public UpdateCondition(String nameString valueBoolean exists) {
         setName(name);
         setValue(value);
         setExists(exists);
     }

    
The name of the attribute involved in the condition.

Returns:
The name of the attribute involved in the condition.
 
     public String getName() {
         return ;
     }
    
    
The name of the attribute involved in the condition.

Parameters:
name The name of the attribute involved in the condition.
 
     public void setName(String name) {
         this. = name;
     }
    
    
The name of the attribute involved in the condition.

Returns a reference to this object so that method calls can be chained together.

Parameters:
name The name of the attribute involved in the condition.
Returns:
A reference to this updated object so that method calls can be chained together.
    public UpdateCondition withName(String name) {
        this. = name;
        return this;
    }

    
The value of an attribute. This value can only be specified when the Exists parameter is equal to true.

Returns:
The value of an attribute. This value can only be specified when the Exists parameter is equal to true.
    public String getValue() {
        return ;
    }
    
    
The value of an attribute. This value can only be specified when the Exists parameter is equal to true.

Parameters:
value The value of an attribute. This value can only be specified when the Exists parameter is equal to true.
    public void setValue(String value) {
        this. = value;
    }
    
    
The value of an attribute. This value can only be specified when the Exists parameter is equal to true.

Returns a reference to this object so that method calls can be chained together.

Parameters:
value The value of an attribute. This value can only be specified when the Exists parameter is equal to true.
Returns:
A reference to this updated object so that method calls can be chained together.
    public UpdateCondition withValue(String value) {
        this. = value;
        return this;
    }

    
A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.

Returns:
A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.
    public Boolean isExists() {
        return ;
    }
    
    
A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.

Parameters:
exists A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.
    public void setExists(Boolean exists) {
        this. = exists;
    }
    
    
A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.

Returns a reference to this object so that method calls can be chained together.

Parameters:
exists A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.
Returns:
A reference to this updated object so that method calls can be chained together.
    public UpdateCondition withExists(Boolean exists) {
        this. = exists;
        return this;
    }

    
A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.

Returns:
A value specifying whether or not the specified attribute must exist with the specified value in order for the update condition to be satisfied. Specify true if the attribute must exist for the update condition to be satisfied. Specify false if the attribute should not exist in order for the update condition to be satisfied.
    public Boolean getExists() {
        return ;
    }

    
Returns a string representation of this object; useful for testing and debugging.

Returns:
A string representation of this object.
See also:
java.lang.Object.toString()
    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getName() != nullsb.append("Name: " + getName() + ",");
        if (getValue() != nullsb.append("Value: " + getValue() + ",");
        if (isExists() != nullsb.append("Exists: " + isExists() );
        sb.append("}");
        return sb.toString();
    }
    
    @Override
    public int hashCode() {
        final int prime = 31;
        int hashCode = 1;
        
        hashCode = prime * hashCode + ((getName() == null) ? 0 : getName().hashCode()); 
        hashCode = prime * hashCode + ((getValue() == null) ? 0 : getValue().hashCode()); 
        hashCode = prime * hashCode + ((isExists() == null) ? 0 : isExists().hashCode()); 
        return hashCode;
    }
    
    @Override
    public boolean equals(Object obj) {
        if (this == objreturn true;
        if (obj == nullreturn false;
        if (obj instanceof UpdateCondition == falsereturn false;
        UpdateCondition other = (UpdateCondition)obj;
        
        if (other.getName() == null ^ this.getName() == nullreturn false;
        if (other.getName() != null && other.getName().equals(this.getName()) == falsereturn false
        if (other.getValue() == null ^ this.getValue() == nullreturn false;
        if (other.getValue() != null && other.getValue().equals(this.getValue()) == falsereturn false
        if (other.isExists() == null ^ this.isExists() == nullreturn false;
        if (other.isExists() != null && other.isExists().equals(this.isExists()) == falsereturn false
        return true;
    }
    
}
    
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