1 files changed, 75 insertions, 0 deletions
diff --git a/predicate-search/src/main/java/com/yahoo/search/predicate/Config.java b/predicate-search/src/main/java/com/yahoo/search/predicate/Config.java
new file mode 100644
index 00000000000..23569baab73
--- /dev/null
+++ b/predicate-search/src/main/java/com/yahoo/search/predicate/Config.java
@@ -0,0 +1,75 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.search.predicate;
+
+import com.google.common.annotations.Beta;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+
+/**
+ * Configuration for a {@link PredicateIndexBuilder}/{@link PredicateIndex} instance.
+ *
+ * @author bjorncs
+ */
+@Beta
+public class Config {
+    public final int arity;
+    public final long lowerBound;
+    public final long upperBound;
+    public final boolean useConjunctionAlgorithm;
+
+    private Config(int arity, long lowerBound, long upperBound, boolean useConjunctionAlgorithm) {
+        this.arity = arity;
+        this.lowerBound = lowerBound;
+        this.upperBound = upperBound;
+        this.useConjunctionAlgorithm = useConjunctionAlgorithm;
+    }
+
+    public void writeToOutputStream(DataOutputStream out) throws IOException {
+        out.writeInt(arity);
+        out.writeLong(lowerBound);
+        out.writeLong(upperBound);
+        out.writeBoolean(useConjunctionAlgorithm);
+    }
+
+    public static Config fromInputStream(DataInputStream in) throws IOException {
+        int arity = in.readInt();
+        long lowerBound = in.readLong();
+        long upperBound = in.readLong();
+        boolean useConjunctionAlgorithm = in.readBoolean();
+        return new Config(arity, lowerBound, upperBound, useConjunctionAlgorithm);
+    }
+
+    public static class Builder {
+        private int arity = 8;
+        private long lowerBound = Long.MIN_VALUE;
+        private long upperBound = Long.MAX_VALUE;
+        private boolean useConjunctionAlgorithm = false;
+
+        public Builder setArity(int arity) {
+            this.arity = arity;
+            return this;
+        }
+
+        public Builder setLowerBound(long lowerBound) {
+            this.lowerBound = lowerBound;
+            return this;
+        }
+
+        public Builder setUpperBound(long upperBound) {
+            this.upperBound = upperBound;
+            return this;
+        }
+
+        public Builder setUseConjunctionAlgorithm(boolean enabled) {
+            this.useConjunctionAlgorithm = enabled;
+            return this;
+        }
+
+        public Config build() {
+            return new Config(arity, lowerBound, upperBound, useConjunctionAlgorithm);
+        }
+
+    }
+}