Feature/equals hashcode for descriptions

topic/src/main/java/tech/ydb/topic/description/Consumer.java

@@ -5,6 +5,7 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.stream.Collectors;
 
 import javax.annotation.Nonnull;
@@ -140,4 +141,26 @@ public Consumer build() {
             return new Consumer(this);
         }
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        Consumer consumer = (Consumer) o;
+        return important == consumer.important &&
+                Objects.equals(name, consumer.name) &&
+                Objects.equals(readFrom, consumer.readFrom) &&
+                Objects.equals(supportedCodecs, consumer.supportedCodecs) &&
+                Objects.equals(attributes, consumer.attributes) &&
+                Objects.equals(stats, consumer.stats);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(name, important, readFrom, supportedCodecs, attributes, stats);
+    }
 }

topic/src/main/java/tech/ydb/topic/description/ConsumerDescription.java

@@ -2,6 +2,7 @@
 
 
 import java.util.List;
+import java.util.Objects;
 import java.util.stream.Collectors;
 
 import tech.ydb.proto.topic.YdbTopic;
@@ -28,4 +29,21 @@ public Consumer getConsumer() {
     public List<ConsumerPartitionInfo> getPartitions() {
         return partitions;
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        ConsumerDescription that = (ConsumerDescription) o;
+        return Objects.equals(consumer, that.consumer) && Objects.equals(partitions, that.partitions);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(consumer, partitions);
+    }
 }

topic/src/main/java/tech/ydb/topic/description/ConsumerPartitionInfo.java

@@ -3,6 +3,7 @@
 import java.time.Duration;
 import java.time.Instant;
 import java.util.List;
+import java.util.Objects;
 
 import tech.ydb.core.utils.ProtobufUtils;
 import tech.ydb.proto.topic.YdbTopic;
@@ -178,4 +179,35 @@ public int getConnectionNodeId() {
             return connectionNodeId;
         }
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        ConsumerPartitionInfo that = (ConsumerPartitionInfo) o;
+        return partitionId == that.partitionId &&
+                active == that.active &&
+                Objects.equals(childPartitionIds, that.childPartitionIds) &&
+                Objects.equals(parentPartitionIds, that.parentPartitionIds) &&
+                Objects.equals(partitionStats, that.partitionStats) &&
+                Objects.equals(consumerStats, that.consumerStats) &&
+                Objects.equals(location, that.location);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(
+                partitionId,
+                active,
+                childPartitionIds,
+                parentPartitionIds,
+                partitionStats,
+                consumerStats,
+                location
+        );
+    }
 }

topic/src/main/java/tech/ydb/topic/description/MultipleWindowsStat.java

@@ -1,5 +1,7 @@
 package tech.ydb.topic.description;
 
+import java.util.Objects;
+
 import tech.ydb.proto.topic.YdbTopic;
 
 /**
@@ -33,4 +35,21 @@ public long getPerHour() {
     public long getPerDay() {
         return perDay;
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        MultipleWindowsStat that = (MultipleWindowsStat) o;
+        return perMinute == that.perMinute && perHour == that.perHour && perDay == that.perDay;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(perMinute, perHour, perDay);
+    }
 }

topic/src/main/java/tech/ydb/topic/description/PartitionInfo.java

@@ -2,6 +2,7 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
 
 import com.google.common.collect.ImmutableList;
 
@@ -86,4 +87,25 @@ public PartitionInfo build() {
             return new PartitionInfo(this);
         }
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        PartitionInfo that = (PartitionInfo) o;
+        return partitionId == that.partitionId &&
+                active == that.active &&
+                Objects.equals(childPartitionIds, that.childPartitionIds) &&
+                Objects.equals(parentPartitionIds, that.parentPartitionIds) &&
+                Objects.equals(partitionStats, that.partitionStats);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(partitionId, active, childPartitionIds, parentPartitionIds, partitionStats);
+    }
 }

topic/src/main/java/tech/ydb/topic/description/PartitionStats.java

@@ -2,6 +2,7 @@
 
 import java.time.Duration;
 import java.time.Instant;
+import java.util.Objects;
 
 import javax.annotation.Nullable;
 
@@ -126,4 +127,33 @@ public PartitionStats build() {
             return new PartitionStats(this);
         }
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        PartitionStats that = (PartitionStats) o;
+        return storeSizeBytes == that.storeSizeBytes &&
+                partitionNodeId == that.partitionNodeId &&
+                Objects.equals(partitionOffsets, that.partitionOffsets) &&
+                Objects.equals(lastWriteTime, that.lastWriteTime) &&
+                Objects.equals(maxWriteTimeLag, that.maxWriteTimeLag) &&
+                Objects.equals(bytesWritten, that.bytesWritten);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(
+                partitionOffsets,
+                storeSizeBytes,
+                lastWriteTime,
+                maxWriteTimeLag,
+                bytesWritten,
+                partitionNodeId
+        );
+    }
 }

topic/src/main/java/tech/ydb/topic/description/SupportedCodecs.java

@@ -2,6 +2,7 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
 
 import com.google.common.collect.ImmutableList;
 
@@ -47,4 +48,21 @@ public SupportedCodecs build() {
             return new SupportedCodecs(this);
         }
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        SupportedCodecs that = (SupportedCodecs) o;
+        return Objects.equals(codecs, that.codecs);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(codecs);
+    }
 }

topic/src/main/java/tech/ydb/topic/description/TopicDescription.java

@@ -4,6 +4,7 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
@@ -179,4 +180,43 @@ public TopicDescription build() {
             return new TopicDescription(this);
         }
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        TopicDescription that = (TopicDescription) o;
+        return retentionStorageMb == that.retentionStorageMb &&
+                partitionWriteSpeedBytesPerSecond == that.partitionWriteSpeedBytesPerSecond &&
+                partitionWriteBurstBytes == that.partitionWriteBurstBytes &&
+                Objects.equals(partitioningSettings, that.partitioningSettings) &&
+                Objects.equals(partitions, that.partitions) &&
+                Objects.equals(retentionPeriod, that.retentionPeriod) &&
+                Objects.equals(supportedCodecs, that.supportedCodecs) &&
+                Objects.equals(attributes, that.attributes) &&
+                Objects.equals(consumers, that.consumers) &&
+                meteringMode == that.meteringMode &&
+                Objects.equals(topicStats, that.topicStats);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(
+                partitioningSettings,
+                partitions,
+                retentionPeriod,
+                retentionStorageMb,
+                supportedCodecs,
+                partitionWriteSpeedBytesPerSecond,
+                partitionWriteBurstBytes,
+                attributes,
+                consumers,
+                meteringMode,
+                topicStats
+        );
+    }
 }

topic/src/main/java/tech/ydb/topic/description/TopicStats.java

@@ -2,6 +2,7 @@
 
 import java.time.Duration;
 import java.time.Instant;
+import java.util.Objects;
 
 import javax.annotation.Nullable;
 
@@ -76,4 +77,24 @@ public TopicStats build() {
             return new TopicStats(this);
         }
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        TopicStats that = (TopicStats) o;
+        return storeSizeBytes == that.storeSizeBytes &&
+                Objects.equals(minLastWriteTime, that.minLastWriteTime) &&
+                Objects.equals(maxWriteTimeLag, that.maxWriteTimeLag) &&
+                Objects.equals(bytesWritten, that.bytesWritten);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(storeSizeBytes, minLastWriteTime, maxWriteTimeLag, bytesWritten);
+    }
 }

topic/src/main/java/tech/ydb/topic/read/impl/OffsetsRangeImpl.java

@@ -1,5 +1,7 @@
 package tech.ydb.topic.read.impl;
 
+import java.util.Objects;
+
 import tech.ydb.topic.description.OffsetsRange;
 
 /**
@@ -36,4 +38,21 @@ public void setStart(long start) {
     public void setEnd(long end) {
         this.end = end;
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        OffsetsRangeImpl that = (OffsetsRangeImpl) o;
+        return start == that.start && end == that.end;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(start, end);
+    }
 }

topic/src/main/java/tech/ydb/topic/settings/AutoPartitioningWriteStrategySettings.java

@@ -1,6 +1,7 @@
 package tech.ydb.topic.settings;
 
 import java.time.Duration;
+import java.util.Objects;
 
 public class AutoPartitioningWriteStrategySettings {
     private final Duration stabilizationWindow;
@@ -69,4 +70,23 @@ public AutoPartitioningWriteStrategySettings build() {
             return new AutoPartitioningWriteStrategySettings(this);
         }
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        AutoPartitioningWriteStrategySettings that = (AutoPartitioningWriteStrategySettings) o;
+        return upUtilizationPercent == that.upUtilizationPercent &&
+                downUtilizationPercent == that.downUtilizationPercent &&
+                Objects.equals(stabilizationWindow, that.stabilizationWindow);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(stabilizationWindow, upUtilizationPercent, downUtilizationPercent);
+    }
 }