26 lines
750 B
JavaScript
26 lines
750 B
JavaScript
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function MergeManager (hash_function, merge_policy) {
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this.merge_policy = merge_policy;
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this.hash_function = hash_function;
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this.data = {};
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this.add = function(newdata) {
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newdata.map(function(val) {
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var hash = this.hash_function(val);
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if (hash in this.data) {
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if (this.merge_policy == MergeManager.MERGE_POLICY_REPLACE) {
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this.data[hash] = val;
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}
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} else {
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this.data[hash] = val;
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}
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}.bind(this));
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return Object.keys(this.data).map(function(hash) {
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return this.data[hash];
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}.bind(this));
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};
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};
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MergeManager.MERGE_POLICY_DROP = 0;
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MergeManager.MERGE_POLICY_REPLACE = 1;
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