Github user mcvsubbu commented on a diff in the pull request: https://github.com/apache/helix/pull/145#discussion_r174313286 --- Diff: helix-core/src/main/java/org/apache/helix/util/WeightAwareRebalanceUtil.java --- @@ -0,0 +1,141 @@ +package org.apache.helix.util; + +import org.apache.helix.HelixException; +import org.apache.helix.ZNRecord; +import org.apache.helix.api.config.RebalanceConfig; +import org.apache.helix.api.rebalancer.constraint.AbstractRebalanceHardConstraint; +import org.apache.helix.api.rebalancer.constraint.AbstractRebalanceSoftConstraint; +import org.apache.helix.controller.common.PartitionStateMap; +import org.apache.helix.controller.common.ResourcesStateMap; +import org.apache.helix.controller.rebalancer.strategy.ConstraintRebalanceStrategy; +import org.apache.helix.controller.stages.ClusterDataCache; +import org.apache.helix.model.*; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +/** + * A rebalance tool that generate an resource partition assignment based on the input. + * Note the assignment won't be automatically applied to the cluster. Applications are supposed to --- End diff -- s/Application/users of this class/ Eventually, helix will use this class I suppose
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