com.amazonaws.services.dynamodbv2.model.Projection Maven / Gradle / Ivy
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/*
* Copyright 2013-2018 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.protocol.StructuredPojo;
import com.amazonaws.protocol.ProtocolMarshaller;
/**
*
* Represents attributes that are copied (projected) from the table into an index. These are in addition to the primary
* key attributes and index key attributes, which are automatically projected.
*
*
* @see AWS API
* Documentation
*/
@Generated("com.amazonaws:aws-java-sdk-code-generator")
public class Projection implements Serializable, Cloneable, StructuredPojo {
/**
*
* The set of attributes that are projected into the index:
*
*
* -
*
* KEYS_ONLY - Only the index and primary keys are projected into the index.
*
*
* -
*
* INCLUDE - Only the specified table attributes are projected into the index. The list of projected
* attributes are in NonKeyAttributes.
*
*
* -
*
* ALL - All of the table attributes are projected into the index.
*
*
*
*/
private String projectionType;
/**
*
* Represents the non-key attribute names which will be projected into the index.
*
*
* For local secondary indexes, the total count of NonKeyAttributes summed across all of the local
* secondary indexes, must not exceed 20. If you project the same attribute into two different indexes, this counts
* as two distinct attributes when determining the total.
*
*/
private java.util.List nonKeyAttributes;
/**
*
* The set of attributes that are projected into the index:
*
*
* -
*
* KEYS_ONLY - Only the index and primary keys are projected into the index.
*
*
* -
*
* INCLUDE - Only the specified table attributes are projected into the index. The list of projected
* attributes are in NonKeyAttributes.
*
*
* -
*
* ALL - All of the table attributes are projected into the index.
*
*
*
*
* @param projectionType
* The set of attributes that are projected into the index:
*
* -
*
* KEYS_ONLY - Only the index and primary keys are projected into the index.
*
*
* -
*
* INCLUDE - Only the specified table attributes are projected into the index. The list of
* projected attributes are in NonKeyAttributes.
*
*
* -
*
* ALL - All of the table attributes are projected into the index.
*
*
* @see ProjectionType
*/
public void setProjectionType(String projectionType) {
this.projectionType = projectionType;
}
/**
*
* The set of attributes that are projected into the index:
*
*
* -
*
* KEYS_ONLY - Only the index and primary keys are projected into the index.
*
*
* -
*
* INCLUDE - Only the specified table attributes are projected into the index. The list of projected
* attributes are in NonKeyAttributes.
*
*
* -
*
* ALL - All of the table attributes are projected into the index.
*
*
*
*
* @return The set of attributes that are projected into the index:
*
* -
*
* KEYS_ONLY - Only the index and primary keys are projected into the index.
*
*
* -
*
* INCLUDE - Only the specified table attributes are projected into the index. The list of
* projected attributes are in NonKeyAttributes.
*
*
* -
*
* ALL - All of the table attributes are projected into the index.
*
*
* @see ProjectionType
*/
public String getProjectionType() {
return this.projectionType;
}
/**
*
* The set of attributes that are projected into the index:
*
*
* -
*
* KEYS_ONLY - Only the index and primary keys are projected into the index.
*
*
* -
*
* INCLUDE - Only the specified table attributes are projected into the index. The list of projected
* attributes are in NonKeyAttributes.
*
*
* -
*
* ALL - All of the table attributes are projected into the index.
*
*
*
*
* @param projectionType
* The set of attributes that are projected into the index:
*
* -
*
* KEYS_ONLY - Only the index and primary keys are projected into the index.
*
*
* -
*
* INCLUDE - Only the specified table attributes are projected into the index. The list of
* projected attributes are in NonKeyAttributes.
*
*
* -
*
* ALL - All of the table attributes are projected into the index.
*
*
* @return Returns a reference to this object so that method calls can be chained together.
* @see ProjectionType
*/
public Projection withProjectionType(String projectionType) {
setProjectionType(projectionType);
return this;
}
/**
*
* The set of attributes that are projected into the index:
*
*
* -
*
* KEYS_ONLY - Only the index and primary keys are projected into the index.
*
*
* -
*
* INCLUDE - Only the specified table attributes are projected into the index. The list of projected
* attributes are in NonKeyAttributes.
*
*
* -
*
* ALL - All of the table attributes are projected into the index.
*
*
*
*
* @param projectionType
* The set of attributes that are projected into the index:
*
* -
*
* KEYS_ONLY - Only the index and primary keys are projected into the index.
*
*
* -
*
* INCLUDE - Only the specified table attributes are projected into the index. The list of
* projected attributes are in NonKeyAttributes.
*
*
* -
*
* ALL - All of the table attributes are projected into the index.
*
*
* @see ProjectionType
*/
public void setProjectionType(ProjectionType projectionType) {
withProjectionType(projectionType);
}
/**
*
* The set of attributes that are projected into the index:
*
*
* -
*
* KEYS_ONLY - Only the index and primary keys are projected into the index.
*
*
* -
*
* INCLUDE - Only the specified table attributes are projected into the index. The list of projected
* attributes are in NonKeyAttributes.
*
*
* -
*
* ALL - All of the table attributes are projected into the index.
*
*
*
*
* @param projectionType
* The set of attributes that are projected into the index:
*
* -
*
* KEYS_ONLY - Only the index and primary keys are projected into the index.
*
*
* -
*
* INCLUDE - Only the specified table attributes are projected into the index. The list of
* projected attributes are in NonKeyAttributes.
*
*
* -
*
* ALL - All of the table attributes are projected into the index.
*
*
* @return Returns a reference to this object so that method calls can be chained together.
* @see ProjectionType
*/
public Projection withProjectionType(ProjectionType projectionType) {
this.projectionType = projectionType.toString();
return this;
}
/**
*
* Represents the non-key attribute names which will be projected into the index.
*
*
* For local secondary indexes, the total count of NonKeyAttributes summed across all of the local
* secondary indexes, must not exceed 20. If you project the same attribute into two different indexes, this counts
* as two distinct attributes when determining the total.
*
*
* @return Represents the non-key attribute names which will be projected into the index.
*
* For local secondary indexes, the total count of NonKeyAttributes summed across all of the
* local secondary indexes, must not exceed 20. If you project the same attribute into two different
* indexes, this counts as two distinct attributes when determining the total.
*/
public java.util.List getNonKeyAttributes() {
return nonKeyAttributes;
}
/**
*
* Represents the non-key attribute names which will be projected into the index.
*
*
* For local secondary indexes, the total count of NonKeyAttributes summed across all of the local
* secondary indexes, must not exceed 20. If you project the same attribute into two different indexes, this counts
* as two distinct attributes when determining the total.
*
*
* @param nonKeyAttributes
* Represents the non-key attribute names which will be projected into the index.
*
* For local secondary indexes, the total count of NonKeyAttributes summed across all of the
* local secondary indexes, must not exceed 20. If you project the same attribute into two different indexes,
* this counts as two distinct attributes when determining the total.
*/
public void setNonKeyAttributes(java.util.Collection nonKeyAttributes) {
if (nonKeyAttributes == null) {
this.nonKeyAttributes = null;
return;
}
this.nonKeyAttributes = new java.util.ArrayList(nonKeyAttributes);
}
/**
*
* Represents the non-key attribute names which will be projected into the index.
*
*
* For local secondary indexes, the total count of NonKeyAttributes summed across all of the local
* secondary indexes, must not exceed 20. If you project the same attribute into two different indexes, this counts
* as two distinct attributes when determining the total.
*
*
* NOTE: This method appends the values to the existing list (if any). Use
* {@link #setNonKeyAttributes(java.util.Collection)} or {@link #withNonKeyAttributes(java.util.Collection)} if you
* want to override the existing values.
*
*
* @param nonKeyAttributes
* Represents the non-key attribute names which will be projected into the index.
*
* For local secondary indexes, the total count of NonKeyAttributes summed across all of the
* local secondary indexes, must not exceed 20. If you project the same attribute into two different indexes,
* this counts as two distinct attributes when determining the total.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public Projection withNonKeyAttributes(String... nonKeyAttributes) {
if (this.nonKeyAttributes == null) {
setNonKeyAttributes(new java.util.ArrayList(nonKeyAttributes.length));
}
for (String ele : nonKeyAttributes) {
this.nonKeyAttributes.add(ele);
}
return this;
}
/**
*
* Represents the non-key attribute names which will be projected into the index.
*
*
* For local secondary indexes, the total count of NonKeyAttributes summed across all of the local
* secondary indexes, must not exceed 20. If you project the same attribute into two different indexes, this counts
* as two distinct attributes when determining the total.
*
*
* @param nonKeyAttributes
* Represents the non-key attribute names which will be projected into the index.
*
* For local secondary indexes, the total count of NonKeyAttributes summed across all of the
* local secondary indexes, must not exceed 20. If you project the same attribute into two different indexes,
* this counts as two distinct attributes when determining the total.
* @return Returns a reference to this object so that method calls can be chained together.
*/
public Projection withNonKeyAttributes(java.util.Collection nonKeyAttributes) {
setNonKeyAttributes(nonKeyAttributes);
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 (getProjectionType() != null)
sb.append("ProjectionType: ").append(getProjectionType()).append(",");
if (getNonKeyAttributes() != null)
sb.append("NonKeyAttributes: ").append(getNonKeyAttributes());
sb.append("}");
return sb.toString();
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (obj instanceof Projection == false)
return false;
Projection other = (Projection) obj;
if (other.getProjectionType() == null ^ this.getProjectionType() == null)
return false;
if (other.getProjectionType() != null && other.getProjectionType().equals(this.getProjectionType()) == false)
return false;
if (other.getNonKeyAttributes() == null ^ this.getNonKeyAttributes() == null)
return false;
if (other.getNonKeyAttributes() != null && other.getNonKeyAttributes().equals(this.getNonKeyAttributes()) == false)
return false;
return true;
}
@Override
public int hashCode() {
final int prime = 31;
int hashCode = 1;
hashCode = prime * hashCode + ((getProjectionType() == null) ? 0 : getProjectionType().hashCode());
hashCode = prime * hashCode + ((getNonKeyAttributes() == null) ? 0 : getNonKeyAttributes().hashCode());
return hashCode;
}
@Override
public Projection clone() {
try {
return (Projection) super.clone();
} catch (CloneNotSupportedException e) {
throw new IllegalStateException("Got a CloneNotSupportedException from Object.clone() " + "even though we're Cloneable!", e);
}
}
@com.amazonaws.annotation.SdkInternalApi
@Override
public void marshall(ProtocolMarshaller protocolMarshaller) {
com.amazonaws.services.dynamodbv2.model.transform.ProjectionMarshaller.getInstance().marshall(this, protocolMarshaller);
}
}