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/*
 * Copyright 2011-2016 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.ec2.model;
import java.io.Serializable;
import com.amazonaws.AmazonWebServiceRequest;
import com.amazonaws.Request;
import com.amazonaws.services.ec2.model.transform.DescribeSnapshotsRequestMarshaller;
/**
 * 
 * Contains the parameters for DescribeSnapshots.
 * 
 */
public class DescribeSnapshotsRequest extends AmazonWebServiceRequest implements
        Serializable, Cloneable,
        DryRunSupportedRequest {
    /**
     * 
     * One or more snapshot IDs.
     * 
     * 
     * Default: Describes snapshots for which you have launch permissions.
     * 
     */
    private com.amazonaws.internal.SdkInternalList snapshotIds;
    /**
     * 
     * Returns the snapshots owned by the specified owner. Multiple owners can
     * be specified.
     * 
     */
    private com.amazonaws.internal.SdkInternalList ownerIds;
    /**
     * 
     * One or more AWS accounts IDs that can create volumes from the snapshot.
     * 
     */
    private com.amazonaws.internal.SdkInternalList restorableByUserIds;
    /**
     * 
     * One or more filters.
     * 
     * 
     * - 
     * 
     * description - A description of the snapshot.
     * 
     *  
     * - 
     * 
     * owner-alias - Value from an Amazon-maintained list (
     * amazon | aws-marketplace |
     * microsoft) of snapshot owners. Not to be confused with the
     * user-configured AWS account alias, which is set from the IAM consolew.
     * 
     *  
     * - 
     * 
     * owner-id - The ID of the AWS account that owns the snapshot.
     * 
     *  
     * - 
     * 
     * progress - The progress of the snapshot, as a percentage
     * (for example, 80%).
     * 
     *  
     * - 
     * 
     * snapshot-id - The snapshot ID.
     * 
     *  
     * - 
     * 
     * start-time - The time stamp when the snapshot was initiated.
     * 
     *  
     * - 
     * 
     * status - The status of the snapshot (pending |
     * completed | error).
     * 
     *  
     * - 
     * 
     * tag:key=value - The key/value combination of a
     * tag assigned to the resource.
     * 
     *  
     * - 
     * 
     * tag-key - The key of a tag assigned to the resource. This
     * filter is independent of the tag-value filter. For example,
     * if you use both the filter "tag-key=Purpose" and the filter
     * "tag-value=X", you get any resources assigned both the tag key Purpose
     * (regardless of what the tag's value is), and the tag value X (regardless
     * of what the tag's key is). If you want to list only resources where
     * Purpose is X, see the tag:key=value filter.
     * 
     *  
     * - 
     * 
     * tag-value - The value of a tag assigned to the resource.
     * This filter is independent of the tag-key filter.
     * 
     *  
     * - 
     * 
     * volume-id - The ID of the volume the snapshot is for.
     * 
     *  
     * - 
     * 
     * volume-size - The size of the volume, in GiB.
     * 
     *  
     * 
     */
    private com.amazonaws.internal.SdkInternalList filters;
    /**
     * 
     * The NextToken value returned from a previous paginated
     * DescribeSnapshots request where MaxResults was
     * used and the results exceeded the value of that parameter. Pagination
     * continues from the end of the previous results that returned the
     * NextToken value. This value is null when there
     * are no more results to return.
     * 
     */
    private String nextToken;
    /**
     * 
     * The maximum number of snapshot results returned by
     * DescribeSnapshots in paginated output. When this parameter
     * is used, DescribeSnapshots only returns
     * MaxResults results in a single page along with a
     * NextToken response element. The remaining results of the
     * initial request can be seen by sending another
     * DescribeSnapshots request with the returned
     * NextToken value. This value can be between 5 and 1000; if
     * MaxResults is given a value larger than 1000, only 1000
     * results are returned. If this parameter is not used, then
     * DescribeSnapshots returns all results. You cannot specify
     * this parameter and the snapshot IDs parameter in the same request.
     * 
     */
    private Integer maxResults;
    /**
     * 
     * One or more snapshot IDs.
     * 
     * 
     * Default: Describes snapshots for which you have launch permissions.
     * 
     * 
     * @return One or more snapshot IDs.
     *         
     *         Default: Describes snapshots for which you have launch
     *         permissions.
     */
    public java.util.List getSnapshotIds() {
        if (snapshotIds == null) {
            snapshotIds = new com.amazonaws.internal.SdkInternalList();
        }
        return snapshotIds;
    }
    /**
     * 
     * One or more snapshot IDs.
     * 
     * 
     * Default: Describes snapshots for which you have launch permissions.
     * 
     * 
     * @param snapshotIds
     *        One or more snapshot IDs.  
     *        
     *        Default: Describes snapshots for which you have launch
     *        permissions.
     */
    public void setSnapshotIds(java.util.Collection snapshotIds) {
        if (snapshotIds == null) {
            this.snapshotIds = null;
            return;
        }
        this.snapshotIds = new com.amazonaws.internal.SdkInternalList(
                snapshotIds);
    }
    /**
     * 
     * One or more snapshot IDs.
     * 
     * 
     * Default: Describes snapshots for which you have launch permissions.
     * 
     * 
     * NOTE: This method appends the values to the existing list (if
     * any). Use {@link #setSnapshotIds(java.util.Collection)} or
     * {@link #withSnapshotIds(java.util.Collection)} if you want to override
     * the existing values.
     * 
     * 
     * @param snapshotIds
     *        One or more snapshot IDs.  
     *        
     *        Default: Describes snapshots for which you have launch
     *        permissions.
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */
    public DescribeSnapshotsRequest withSnapshotIds(String... snapshotIds) {
        if (this.snapshotIds == null) {
            setSnapshotIds(new com.amazonaws.internal.SdkInternalList(
                    snapshotIds.length));
        }
        for (String ele : snapshotIds) {
            this.snapshotIds.add(ele);
        }
        return this;
    }
    /**
     * 
     * One or more snapshot IDs.
     * 
     * 
     * Default: Describes snapshots for which you have launch permissions.
     * 
     * 
     * @param snapshotIds
     *        One or more snapshot IDs. 
     *        
     *        Default: Describes snapshots for which you have launch
     *        permissions.
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */
    public DescribeSnapshotsRequest withSnapshotIds(
            java.util.Collection snapshotIds) {
        setSnapshotIds(snapshotIds);
        return this;
    }
    /**
     * 
     * Returns the snapshots owned by the specified owner. Multiple owners can
     * be specified.
     * 
     * 
     * @return Returns the snapshots owned by the specified owner. Multiple
     *         owners can be specified.
     */
    public java.util.List getOwnerIds() {
        if (ownerIds == null) {
            ownerIds = new com.amazonaws.internal.SdkInternalList();
        }
        return ownerIds;
    }
    /**
     * 
     * Returns the snapshots owned by the specified owner. Multiple owners can
     * be specified.
     * 
     * 
     * @param ownerIds
     *        Returns the snapshots owned by the specified owner. Multiple
     *        owners can be specified.
     */
    public void setOwnerIds(java.util.Collection ownerIds) {
        if (ownerIds == null) {
            this.ownerIds = null;
            return;
        }
        this.ownerIds = new com.amazonaws.internal.SdkInternalList(
                ownerIds);
    }
    /**
     * 
     * Returns the snapshots owned by the specified owner. Multiple owners can
     * be specified.
     * 
     * 
     * NOTE: This method appends the values to the existing list (if
     * any). Use {@link #setOwnerIds(java.util.Collection)} or
     * {@link #withOwnerIds(java.util.Collection)} if you want to override the
     * existing values.
     * 
     * 
     * @param ownerIds
     *        Returns the snapshots owned by the specified owner. Multiple
     *        owners can be specified.
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */
    public DescribeSnapshotsRequest withOwnerIds(String... ownerIds) {
        if (this.ownerIds == null) {
            setOwnerIds(new com.amazonaws.internal.SdkInternalList(
                    ownerIds.length));
        }
        for (String ele : ownerIds) {
            this.ownerIds.add(ele);
        }
        return this;
    }
    /**
     * 
     * Returns the snapshots owned by the specified owner. Multiple owners can
     * be specified.
     * 
     * 
     * @param ownerIds
     *        Returns the snapshots owned by the specified owner. Multiple
     *        owners can be specified.
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */
    public DescribeSnapshotsRequest withOwnerIds(
            java.util.Collection ownerIds) {
        setOwnerIds(ownerIds);
        return this;
    }
    /**
     * 
     * One or more AWS accounts IDs that can create volumes from the snapshot.
     * 
     * 
     * @return One or more AWS accounts IDs that can create volumes from the
     *         snapshot.
     */
    public java.util.List getRestorableByUserIds() {
        if (restorableByUserIds == null) {
            restorableByUserIds = new com.amazonaws.internal.SdkInternalList();
        }
        return restorableByUserIds;
    }
    /**
     * 
     * One or more AWS accounts IDs that can create volumes from the snapshot.
     * 
     * 
     * @param restorableByUserIds
     *        One or more AWS accounts IDs that can create volumes from the
     *        snapshot.
     */
    public void setRestorableByUserIds(
            java.util.Collection restorableByUserIds) {
        if (restorableByUserIds == null) {
            this.restorableByUserIds = null;
            return;
        }
        this.restorableByUserIds = new com.amazonaws.internal.SdkInternalList(
                restorableByUserIds);
    }
    /**
     * 
     * One or more AWS accounts IDs that can create volumes from the snapshot.
     * 
     * 
     * NOTE: This method appends the values to the existing list (if
     * any). Use {@link #setRestorableByUserIds(java.util.Collection)} or
     * {@link #withRestorableByUserIds(java.util.Collection)} if you want to
     * override the existing values.
     * 
     * 
     * @param restorableByUserIds
     *        One or more AWS accounts IDs that can create volumes from the
     *        snapshot.
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */
    public DescribeSnapshotsRequest withRestorableByUserIds(
            String... restorableByUserIds) {
        if (this.restorableByUserIds == null) {
            setRestorableByUserIds(new com.amazonaws.internal.SdkInternalList(
                    restorableByUserIds.length));
        }
        for (String ele : restorableByUserIds) {
            this.restorableByUserIds.add(ele);
        }
        return this;
    }
    /**
     * 
     * One or more AWS accounts IDs that can create volumes from the snapshot.
     * 
     * 
     * @param restorableByUserIds
     *        One or more AWS accounts IDs that can create volumes from the
     *        snapshot.
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */
    public DescribeSnapshotsRequest withRestorableByUserIds(
            java.util.Collection restorableByUserIds) {
        setRestorableByUserIds(restorableByUserIds);
        return this;
    }
    /**
     * 
     * One or more filters.
     * 
     * 
     * - 
     * 
     * description - A description of the snapshot.
     * 
     *  
     * - 
     * 
     * owner-alias - Value from an Amazon-maintained list (
     * amazon | aws-marketplace |
     * microsoft) of snapshot owners. Not to be confused with the
     * user-configured AWS account alias, which is set from the IAM consolew.
     * 
     *  
     * - 
     * 
     * owner-id - The ID of the AWS account that owns the snapshot.
     * 
     *  
     * - 
     * 
     * progress - The progress of the snapshot, as a percentage
     * (for example, 80%).
     * 
     *  
     * - 
     * 
     * snapshot-id - The snapshot ID.
     * 
     *  
     * - 
     * 
     * start-time - The time stamp when the snapshot was initiated.
     * 
     *  
     * - 
     * 
     * status - The status of the snapshot (pending |
     * completed | error).
     * 
     *  
     * - 
     * 
     * tag:key=value - The key/value combination of a
     * tag assigned to the resource.
     * 
     *  
     * - 
     * 
     * tag-key - The key of a tag assigned to the resource. This
     * filter is independent of the tag-value filter. For example,
     * if you use both the filter "tag-key=Purpose" and the filter
     * "tag-value=X", you get any resources assigned both the tag key Purpose
     * (regardless of what the tag's value is), and the tag value X (regardless
     * of what the tag's key is). If you want to list only resources where
     * Purpose is X, see the tag:key=value filter.
     * 
     *  
     * - 
     * 
     * tag-value - The value of a tag assigned to the resource.
     * This filter is independent of the tag-key filter.
     * 
     *  
     * - 
     * 
     * volume-id - The ID of the volume the snapshot is for.
     * 
     *  
     * - 
     * 
     * volume-size - The size of the volume, in GiB.
     * 
     *  
     * 
     * 
     * @return One or more filters.             
     *         
     *         - 
     *         
     *         description - A description of the snapshot.
     *         
     *          
     *         - 
     *         
     *         owner-alias - Value from an Amazon-maintained list (
     *         amazon | aws-marketplace |
     *         microsoft) of snapshot owners. Not to be confused
     *         with the user-configured AWS account alias, which is set from the
     *         IAM consolew.
     *         
     *          
     *         - 
     *         
     *         owner-id - The ID of the AWS account that owns the
     *         snapshot.
     *         
     *          
     *         - 
     *         
     *         progress - The progress of the snapshot, as a
     *         percentage (for example, 80%).
     *         
     *          
     *         - 
     *         
     *         snapshot-id - The snapshot ID.
     *         
     *          
     *         - 
     *         
     *         start-time - The time stamp when the snapshot was
     *         initiated.
     *         
     *          
     *         - 
     *         
     *         status - The status of the snapshot (
     *         pending | completed |
     *         error).
     *         
     *          
     *         - 
     *         
     *         tag:key=value - The key/value
     *         combination of a tag assigned to the resource.
     *         
     *          
     *         - 
     *         
     *         tag-key - The key of a tag assigned to the resource.
     *         This filter is independent of the tag-value filter.
     *         For example, if you use both the filter "tag-key=Purpose" and the
     *         filter "tag-value=X", you get any resources assigned both the tag
     *         key Purpose (regardless of what the tag's value is), and the tag
     *         value X (regardless of what the tag's key is). If you want to
     *         list only resources where Purpose is X, see the tag
     *         :key=value filter.
     *         
     *          
     *         - 
     *         
     *         tag-value - The value of a tag assigned to the
     *         resource. This filter is independent of the tag-key
     *         filter.
     *         
     *          
     *         - 
     *         
     *         volume-id - The ID of the volume the snapshot is
     *         for.
     *         
     *          
     *         - 
     *         
     *         volume-size - The size of the volume, in GiB.
     *         
     *          
     */
    public java.util.List getFilters() {
        if (filters == null) {
            filters = new com.amazonaws.internal.SdkInternalList();
        }
        return filters;
    }
    /**
     * 
     * One or more filters.
     * 
     * 
     * - 
     * 
     * description - A description of the snapshot.
     * 
     *  
     * - 
     * 
     * owner-alias - Value from an Amazon-maintained list (
     * amazon | aws-marketplace |
     * microsoft) of snapshot owners. Not to be confused with the
     * user-configured AWS account alias, which is set from the IAM consolew.
     * 
     *  
     * - 
     * 
     * owner-id - The ID of the AWS account that owns the snapshot.
     * 
     *  
     * - 
     * 
     * progress - The progress of the snapshot, as a percentage
     * (for example, 80%).
     * 
     *  
     * - 
     * 
     * snapshot-id - The snapshot ID.
     * 
     *  
     * - 
     * 
     * start-time - The time stamp when the snapshot was initiated.
     * 
     *  
     * - 
     * 
     * status - The status of the snapshot (pending |
     * completed | error).
     * 
     *  
     * - 
     * 
     * tag:key=value - The key/value combination of a
     * tag assigned to the resource.
     * 
     *  
     * - 
     * 
     * tag-key - The key of a tag assigned to the resource. This
     * filter is independent of the tag-value filter. For example,
     * if you use both the filter "tag-key=Purpose" and the filter
     * "tag-value=X", you get any resources assigned both the tag key Purpose
     * (regardless of what the tag's value is), and the tag value X (regardless
     * of what the tag's key is). If you want to list only resources where
     * Purpose is X, see the tag:key=value filter.
     * 
     *  
     * - 
     * 
     * tag-value - The value of a tag assigned to the resource.
     * This filter is independent of the tag-key filter.
     * 
     *  
     * - 
     * 
     * volume-id - The ID of the volume the snapshot is for.
     * 
     *  
     * - 
     * 
     * volume-size - The size of the volume, in GiB.
     * 
     *  
     * 
     * 
     * @param filters
     *        One or more filters.
     *        
     *        - 
     *        
     *        description - A description of the snapshot.
     *        
     *         
     *        - 
     *        
     *        owner-alias - Value from an Amazon-maintained list (
     *        amazon | aws-marketplace |
     *        microsoft) of snapshot owners. Not to be confused
     *        with the user-configured AWS account alias, which is set from the
     *        IAM consolew.
     *        
     *         
     *        - 
     *        
     *        owner-id - The ID of the AWS account that owns the
     *        snapshot.
     *        
     *         
     *        - 
     *        
     *        progress - The progress of the snapshot, as a
     *        percentage (for example, 80%).
     *        
     *         
     *        - 
     *        
     *        snapshot-id - The snapshot ID.
     *        
     *         
     *        - 
     *        
     *        start-time - The time stamp when the snapshot was
     *        initiated.
     *        
     *         
     *        - 
     *        
     *        status - The status of the snapshot (
     *        pending | completed | error
     *        ).
     *        
     *         
     *        - 
     *        
     *        tag:key=value - The key/value
     *        combination of a tag assigned to the resource.
     *        
     *         
     *        - 
     *        
     *        tag-key - The key of a tag assigned to the resource.
     *        This filter is independent of the tag-value filter.
     *        For example, if you use both the filter "tag-key=Purpose" and the
     *        filter "tag-value=X", you get any resources assigned both the tag
     *        key Purpose (regardless of what the tag's value is), and the tag
     *        value X (regardless of what the tag's key is). If you want to list
     *        only resources where Purpose is X, see the tag
     *        :key=value filter.
     *        
     *         
     *        - 
     *        
     *        tag-value - The value of a tag assigned to the
     *        resource. This filter is independent of the tag-key
     *        filter.
     *        
     *         
     *        - 
     *        
     *        volume-id - The ID of the volume the snapshot is for.
     *        
     *         
     *        - 
     *        
     *        volume-size - The size of the volume, in GiB.
     *        
     *         
     */
    public void setFilters(java.util.Collection filters) {
        if (filters == null) {
            this.filters = null;
            return;
        }
        this.filters = new com.amazonaws.internal.SdkInternalList(
                filters);
    }
    /**
     * 
     * One or more filters.
     * 
     * 
     * - 
     * 
     * description - A description of the snapshot.
     * 
     *  
     * - 
     * 
     * owner-alias - Value from an Amazon-maintained list (
     * amazon | aws-marketplace |
     * microsoft) of snapshot owners. Not to be confused with the
     * user-configured AWS account alias, which is set from the IAM consolew.
     * 
     *  
     * - 
     * 
     * owner-id - The ID of the AWS account that owns the snapshot.
     * 
     *  
     * - 
     * 
     * progress - The progress of the snapshot, as a percentage
     * (for example, 80%).
     * 
     *  
     * - 
     * 
     * snapshot-id - The snapshot ID.
     * 
     *  
     * - 
     * 
     * start-time - The time stamp when the snapshot was initiated.
     * 
     *  
     * - 
     * 
     * status - The status of the snapshot (pending |
     * completed | error).
     * 
     *  
     * - 
     * 
     * tag:key=value - The key/value combination of a
     * tag assigned to the resource.
     * 
     *  
     * - 
     * 
     * tag-key - The key of a tag assigned to the resource. This
     * filter is independent of the tag-value filter. For example,
     * if you use both the filter "tag-key=Purpose" and the filter
     * "tag-value=X", you get any resources assigned both the tag key Purpose
     * (regardless of what the tag's value is), and the tag value X (regardless
     * of what the tag's key is). If you want to list only resources where
     * Purpose is X, see the tag:key=value filter.
     * 
     *  
     * - 
     * 
     * tag-value - The value of a tag assigned to the resource.
     * This filter is independent of the tag-key filter.
     * 
     *  
     * - 
     * 
     * volume-id - The ID of the volume the snapshot is for.
     * 
     *  
     * - 
     * 
     * volume-size - The size of the volume, in GiB.
     * 
     *  
     * 
     * 
     * NOTE: This method appends the values to the existing list (if
     * any). Use {@link #setFilters(java.util.Collection)} or
     * {@link #withFilters(java.util.Collection)} if you want to override the
     * existing values.
     * 
     * 
     * @param filters
     *        One or more filters.
     *        
     *        - 
     *        
     *        description - A description of the snapshot.
     *        
     *         
     *        - 
     *        
     *        owner-alias - Value from an Amazon-maintained list (
     *        amazon | aws-marketplace |
     *        microsoft) of snapshot owners. Not to be confused
     *        with the user-configured AWS account alias, which is set from the
     *        IAM consolew.
     *        
     *         
     *        - 
     *        
     *        owner-id - The ID of the AWS account that owns the
     *        snapshot.
     *        
     *         
     *        - 
     *        
     *        progress - The progress of the snapshot, as a
     *        percentage (for example, 80%).
     *        
     *         
     *        - 
     *        
     *        snapshot-id - The snapshot ID.
     *        
     *         
     *        - 
     *        
     *        start-time - The time stamp when the snapshot was
     *        initiated.
     *        
     *         
     *        - 
     *        
     *        status - The status of the snapshot (
     *        pending | completed | error
     *        ).
     *        
     *         
     *        - 
     *        
     *        tag:key=value - The key/value
     *        combination of a tag assigned to the resource.
     *        
     *         
     *        - 
     *        
     *        tag-key - The key of a tag assigned to the resource.
     *        This filter is independent of the tag-value filter.
     *        For example, if you use both the filter "tag-key=Purpose" and the
     *        filter "tag-value=X", you get any resources assigned both the tag
     *        key Purpose (regardless of what the tag's value is), and the tag
     *        value X (regardless of what the tag's key is). If you want to list
     *        only resources where Purpose is X, see the tag
     *        :key=value filter.
     *        
     *         
     *        - 
     *        
     *        tag-value - The value of a tag assigned to the
     *        resource. This filter is independent of the tag-key
     *        filter.
     *        
     *         
     *        - 
     *        
     *        volume-id - The ID of the volume the snapshot is for.
     *        
     *         
     *        - 
     *        
     *        volume-size - The size of the volume, in GiB.
     *        
     *         
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */
    public DescribeSnapshotsRequest withFilters(Filter... filters) {
        if (this.filters == null) {
            setFilters(new com.amazonaws.internal.SdkInternalList(
                    filters.length));
        }
        for (Filter ele : filters) {
            this.filters.add(ele);
        }
        return this;
    }
    /**
     * 
     * One or more filters.
     * 
     * 
     * - 
     * 
     * description - A description of the snapshot.
     * 
     *  
     * - 
     * 
     * owner-alias - Value from an Amazon-maintained list (
     * amazon | aws-marketplace |
     * microsoft) of snapshot owners. Not to be confused with the
     * user-configured AWS account alias, which is set from the IAM consolew.
     * 
     *  
     * - 
     * 
     * owner-id - The ID of the AWS account that owns the snapshot.
     * 
     *  
     * - 
     * 
     * progress - The progress of the snapshot, as a percentage
     * (for example, 80%).
     * 
     *  
     * - 
     * 
     * snapshot-id - The snapshot ID.
     * 
     *  
     * - 
     * 
     * start-time - The time stamp when the snapshot was initiated.
     * 
     *  
     * - 
     * 
     * status - The status of the snapshot (pending |
     * completed | error).
     * 
     *  
     * - 
     * 
     * tag:key=value - The key/value combination of a
     * tag assigned to the resource.
     * 
     *  
     * - 
     * 
     * tag-key - The key of a tag assigned to the resource. This
     * filter is independent of the tag-value filter. For example,
     * if you use both the filter "tag-key=Purpose" and the filter
     * "tag-value=X", you get any resources assigned both the tag key Purpose
     * (regardless of what the tag's value is), and the tag value X (regardless
     * of what the tag's key is). If you want to list only resources where
     * Purpose is X, see the tag:key=value filter.
     * 
     *  
     * - 
     * 
     * tag-value - The value of a tag assigned to the resource.
     * This filter is independent of the tag-key filter.
     * 
     *  
     * - 
     * 
     * volume-id - The ID of the volume the snapshot is for.
     * 
     *  
     * - 
     * 
     * volume-size - The size of the volume, in GiB.
     * 
     *  
     * 
     * 
     * @param filters
     *        One or more filters.
     *        
     *        - 
     *        
     *        description - A description of the snapshot.
     *        
     *         
     *        - 
     *        
     *        owner-alias - Value from an Amazon-maintained list (
     *        amazon | aws-marketplace |
     *        microsoft) of snapshot owners. Not to be confused
     *        with the user-configured AWS account alias, which is set from the
     *        IAM consolew.
     *        
     *         
     *        - 
     *        
     *        owner-id - The ID of the AWS account that owns the
     *        snapshot.
     *        
     *         
     *        - 
     *        
     *        progress - The progress of the snapshot, as a
     *        percentage (for example, 80%).
     *        
     *         
     *        - 
     *        
     *        snapshot-id - The snapshot ID.
     *        
     *         
     *        - 
     *        
     *        start-time - The time stamp when the snapshot was
     *        initiated.
     *        
     *         
     *        - 
     *        
     *        status - The status of the snapshot (
     *        pending | completed | error
     *        ).
     *        
     *         
     *        - 
     *        
     *        tag:key=value - The key/value
     *        combination of a tag assigned to the resource.
     *        
     *         
     *        - 
     *        
     *        tag-key - The key of a tag assigned to the resource.
     *        This filter is independent of the tag-value filter.
     *        For example, if you use both the filter "tag-key=Purpose" and the
     *        filter "tag-value=X", you get any resources assigned both the tag
     *        key Purpose (regardless of what the tag's value is), and the tag
     *        value X (regardless of what the tag's key is). If you want to list
     *        only resources where Purpose is X, see the tag
     *        :key=value filter.
     *        
     *         
     *        - 
     *        
     *        tag-value - The value of a tag assigned to the
     *        resource. This filter is independent of the tag-key
     *        filter.
     *        
     *         
     *        - 
     *        
     *        volume-id - The ID of the volume the snapshot is for.
     *        
     *         
     *        - 
     *        
     *        volume-size - The size of the volume, in GiB.
     *        
     *         
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */
    public DescribeSnapshotsRequest withFilters(
            java.util.Collection filters) {
        setFilters(filters);
        return this;
    }
    /**
     * 
     * The NextToken value returned from a previous paginated
     * DescribeSnapshots request where MaxResults was
     * used and the results exceeded the value of that parameter. Pagination
     * continues from the end of the previous results that returned the
     * NextToken value. This value is null when there
     * are no more results to return.
     * 
     * 
     * @param nextToken
     *        The NextToken value returned from a previous
     *        paginated DescribeSnapshots request where
     *        MaxResults was used and the results exceeded the
     *        value of that parameter. Pagination continues from the end of the
     *        previous results that returned the NextToken value.
     *        This value is null when there are no more results to
     *        return.
     */
    public void setNextToken(String nextToken) {
        this.nextToken = nextToken;
    }
    /**
     * 
     * The NextToken value returned from a previous paginated
     * DescribeSnapshots request where MaxResults was
     * used and the results exceeded the value of that parameter. Pagination
     * continues from the end of the previous results that returned the
     * NextToken value. This value is null when there
     * are no more results to return.
     * 
     * 
     * @return The NextToken value returned from a previous
     *         paginated DescribeSnapshots request where
     *         MaxResults was used and the results exceeded the
     *         value of that parameter. Pagination continues from the end of the
     *         previous results that returned the NextToken value.
     *         This value is null when there are no more results to
     *         return.
     */
    public String getNextToken() {
        return this.nextToken;
    }
    /**
     * 
     * The NextToken value returned from a previous paginated
     * DescribeSnapshots request where MaxResults was
     * used and the results exceeded the value of that parameter. Pagination
     * continues from the end of the previous results that returned the
     * NextToken value. This value is null when there
     * are no more results to return.
     * 
     * 
     * @param nextToken
     *        The NextToken value returned from a previous
     *        paginated DescribeSnapshots request where
     *        MaxResults was used and the results exceeded the
     *        value of that parameter. Pagination continues from the end of the
     *        previous results that returned the NextToken value.
     *        This value is null when there are no more results to
     *        return.
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */
    public DescribeSnapshotsRequest withNextToken(String nextToken) {
        setNextToken(nextToken);
        return this;
    }
    /**
     * 
     * The maximum number of snapshot results returned by
     * DescribeSnapshots in paginated output. When this parameter
     * is used, DescribeSnapshots only returns
     * MaxResults results in a single page along with a
     * NextToken response element. The remaining results of the
     * initial request can be seen by sending another
     * DescribeSnapshots request with the returned
     * NextToken value. This value can be between 5 and 1000; if
     * MaxResults is given a value larger than 1000, only 1000
     * results are returned. If this parameter is not used, then
     * DescribeSnapshots returns all results. You cannot specify
     * this parameter and the snapshot IDs parameter in the same request.
     * 
     * 
     * @param maxResults
     *        The maximum number of snapshot results returned by
     *        DescribeSnapshots in paginated output. When this
     *        parameter is used, DescribeSnapshots only returns
     *        MaxResults results in a single page along with a
     *        NextToken response element. The remaining results of
     *        the initial request can be seen by sending another
     *        DescribeSnapshots request with the returned
     *        NextToken value. This value can be between 5 and
     *        1000; if MaxResults is given a value larger than
     *        1000, only 1000 results are returned. If this parameter is not
     *        used, then DescribeSnapshots returns all results. You
     *        cannot specify this parameter and the snapshot IDs parameter in
     *        the same request.
     */
    public void setMaxResults(Integer maxResults) {
        this.maxResults = maxResults;
    }
    /**
     * 
     * The maximum number of snapshot results returned by
     * DescribeSnapshots in paginated output. When this parameter
     * is used, DescribeSnapshots only returns
     * MaxResults results in a single page along with a
     * NextToken response element. The remaining results of the
     * initial request can be seen by sending another
     * DescribeSnapshots request with the returned
     * NextToken value. This value can be between 5 and 1000; if
     * MaxResults is given a value larger than 1000, only 1000
     * results are returned. If this parameter is not used, then
     * DescribeSnapshots returns all results. You cannot specify
     * this parameter and the snapshot IDs parameter in the same request.
     * 
     * 
     * @return The maximum number of snapshot results returned by
     *         DescribeSnapshots in paginated output. When this
     *         parameter is used, DescribeSnapshots only returns
     *         MaxResults results in a single page along with a
     *         NextToken response element. The remaining results of
     *         the initial request can be seen by sending another
     *         DescribeSnapshots request with the returned
     *         NextToken value. This value can be between 5 and
     *         1000; if MaxResults is given a value larger than
     *         1000, only 1000 results are returned. If this parameter is not
     *         used, then DescribeSnapshots returns all results.
     *         You cannot specify this parameter and the snapshot IDs parameter
     *         in the same request.
     */
    public Integer getMaxResults() {
        return this.maxResults;
    }
    /**
     * 
     * The maximum number of snapshot results returned by
     * DescribeSnapshots in paginated output. When this parameter
     * is used, DescribeSnapshots only returns
     * MaxResults results in a single page along with a
     * NextToken response element. The remaining results of the
     * initial request can be seen by sending another
     * DescribeSnapshots request with the returned
     * NextToken value. This value can be between 5 and 1000; if
     * MaxResults is given a value larger than 1000, only 1000
     * results are returned. If this parameter is not used, then
     * DescribeSnapshots returns all results. You cannot specify
     * this parameter and the snapshot IDs parameter in the same request.
     * 
     * 
     * @param maxResults
     *        The maximum number of snapshot results returned by
     *        DescribeSnapshots in paginated output. When this
     *        parameter is used, DescribeSnapshots only returns
     *        MaxResults results in a single page along with a
     *        NextToken response element. The remaining results of
     *        the initial request can be seen by sending another
     *        DescribeSnapshots request with the returned
     *        NextToken value. This value can be between 5 and
     *        1000; if MaxResults is given a value larger than
     *        1000, only 1000 results are returned. If this parameter is not
     *        used, then DescribeSnapshots returns all results. You
     *        cannot specify this parameter and the snapshot IDs parameter in
     *        the same request.
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */
    public DescribeSnapshotsRequest withMaxResults(Integer maxResults) {
        setMaxResults(maxResults);
        return this;
    }
    /**
     * This method is intended for internal use only. Returns the marshaled
     * request configured with additional parameters to enable operation
     * dry-run.
     */
    @Override
    public Request getDryRunRequest() {
        Request request = new DescribeSnapshotsRequestMarshaller()
                .marshall(this);
        request.addParameter("DryRun", Boolean.toString(true));
        return request;
    }
    /**
     * 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 (getSnapshotIds() != null)
            sb.append("SnapshotIds: " + getSnapshotIds() + ",");
        if (getOwnerIds() != null)
            sb.append("OwnerIds: " + getOwnerIds() + ",");
        if (getRestorableByUserIds() != null)
            sb.append("RestorableByUserIds: " + getRestorableByUserIds() + ",");
        if (getFilters() != null)
            sb.append("Filters: " + getFilters() + ",");
        if (getNextToken() != null)
            sb.append("NextToken: " + getNextToken() + ",");
        if (getMaxResults() != null)
            sb.append("MaxResults: " + getMaxResults());
        sb.append("}");
        return sb.toString();
    }
    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (obj instanceof DescribeSnapshotsRequest == false)
            return false;
        DescribeSnapshotsRequest other = (DescribeSnapshotsRequest) obj;
        if (other.getSnapshotIds() == null ^ this.getSnapshotIds() == null)
            return false;
        if (other.getSnapshotIds() != null
                && other.getSnapshotIds().equals(this.getSnapshotIds()) == false)
            return false;
        if (other.getOwnerIds() == null ^ this.getOwnerIds() == null)
            return false;
        if (other.getOwnerIds() != null
                && other.getOwnerIds().equals(this.getOwnerIds()) == false)
            return false;
        if (other.getRestorableByUserIds() == null
                ^ this.getRestorableByUserIds() == null)
            return false;
        if (other.getRestorableByUserIds() != null
                && other.getRestorableByUserIds().equals(
                        this.getRestorableByUserIds()) == false)
            return false;
        if (other.getFilters() == null ^ this.getFilters() == null)
            return false;
        if (other.getFilters() != null
                && other.getFilters().equals(this.getFilters()) == false)
            return false;
        if (other.getNextToken() == null ^ this.getNextToken() == null)
            return false;
        if (other.getNextToken() != null
                && other.getNextToken().equals(this.getNextToken()) == false)
            return false;
        if (other.getMaxResults() == null ^ this.getMaxResults() == null)
            return false;
        if (other.getMaxResults() != null
                && other.getMaxResults().equals(this.getMaxResults()) == false)
            return false;
        return true;
    }
    @Override
    public int hashCode() {
        final int prime = 31;
        int hashCode = 1;
        hashCode = prime
                * hashCode
                + ((getSnapshotIds() == null) ? 0 : getSnapshotIds().hashCode());
        hashCode = prime * hashCode
                + ((getOwnerIds() == null) ? 0 : getOwnerIds().hashCode());
        hashCode = prime
                * hashCode
                + ((getRestorableByUserIds() == null) ? 0
                        : getRestorableByUserIds().hashCode());
        hashCode = prime * hashCode
                + ((getFilters() == null) ? 0 : getFilters().hashCode());
        hashCode = prime * hashCode
                + ((getNextToken() == null) ? 0 : getNextToken().hashCode());
        hashCode = prime * hashCode
                + ((getMaxResults() == null) ? 0 : getMaxResults().hashCode());
        return hashCode;
    }
    @Override
    public DescribeSnapshotsRequest clone() {
        return (DescribeSnapshotsRequest) super.clone();
    }
}