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18 package org.apache.hadoop.hbase.client;
19
20 import java.util.Map;
21
22 import org.apache.hadoop.classification.InterfaceAudience;
23 import org.apache.hadoop.classification.InterfaceStability;
24 import org.apache.hadoop.hbase.exceptions.DeserializationException;
25 import org.apache.hadoop.hbase.filter.Filter;
26 import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
27 import org.apache.hadoop.hbase.security.access.AccessControlConstants;
28 import org.apache.hadoop.hbase.security.access.Permission;
29 import org.apache.hadoop.hbase.security.visibility.Authorizations;
30 import org.apache.hadoop.hbase.security.visibility.VisibilityConstants;
31 import org.apache.hadoop.hbase.util.Bytes;
32
33 import com.google.common.collect.ArrayListMultimap;
34 import com.google.common.collect.ListMultimap;
35
36 @InterfaceAudience.Public
37 @InterfaceStability.Evolving
38 public abstract class Query extends OperationWithAttributes {
39 protected Filter filter = null;
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43
44 public Filter getFilter() {
45 return filter;
46 }
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55 public Query setFilter(Filter filter) {
56 this.filter = filter;
57 return this;
58 }
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63
64 public void setAuthorizations(Authorizations authorizations) {
65 this.setAttribute(VisibilityConstants.VISIBILITY_LABELS_ATTR_KEY, ProtobufUtil
66 .toAuthorizations(authorizations).toByteArray());
67 }
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72
73 public Authorizations getAuthorizations() throws DeserializationException {
74 byte[] authorizationsBytes = this.getAttribute(VisibilityConstants.VISIBILITY_LABELS_ATTR_KEY);
75 if (authorizationsBytes == null) return null;
76 return ProtobufUtil.toAuthorizations(authorizationsBytes);
77 }
78
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81
82 public byte[] getACL() {
83 return getAttribute(AccessControlConstants.OP_ATTRIBUTE_ACL);
84 }
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90 public void setACL(String user, Permission perms) {
91 setAttribute(AccessControlConstants.OP_ATTRIBUTE_ACL,
92 ProtobufUtil.toUsersAndPermissions(user, perms).toByteArray());
93 }
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98 public void setACL(Map<String, Permission> perms) {
99 ListMultimap<String, Permission> permMap = ArrayListMultimap.create();
100 for (Map.Entry<String, Permission> entry : perms.entrySet()) {
101 permMap.put(entry.getKey(), entry.getValue());
102 }
103 setAttribute(AccessControlConstants.OP_ATTRIBUTE_ACL,
104 ProtobufUtil.toUsersAndPermissions(permMap).toByteArray());
105 }
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110 public boolean getACLStrategy() {
111 byte[] bytes = getAttribute(AccessControlConstants.OP_ATTRIBUTE_ACL_STRATEGY);
112 if (bytes != null) {
113 return Bytes.equals(bytes, AccessControlConstants.OP_ATTRIBUTE_ACL_STRATEGY_CELL_FIRST);
114 }
115 return false;
116 }
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123 public void setACLStrategy(boolean cellFirstStrategy) {
124 if (cellFirstStrategy) {
125 setAttribute(AccessControlConstants.OP_ATTRIBUTE_ACL_STRATEGY,
126 AccessControlConstants.OP_ATTRIBUTE_ACL_STRATEGY_CELL_FIRST);
127 }
128 }
129 }