1 files changed, 170 insertions, 0 deletions
diff --git a/sli/common/src/main/java/org/onap/ccsdk/sli/core/sli/SvcLogicAtom.java b/sli/common/src/main/java/org/onap/ccsdk/sli/core/sli/SvcLogicAtom.java
new file mode 100644
index 000000000..b9ad19e25
--- /dev/null
+++ b/sli/common/src/main/java/org/onap/ccsdk/sli/core/sli/SvcLogicAtom.java
@@ -0,0 +1,170 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : CCSDK
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.core.sli;
+
+public class SvcLogicAtom extends SvcLogicExpression {
+
+	public enum AtomType {
+		NUMBER,
+		STRING,
+		IDENTIFIER,
+		CONTEXT_VAR
+
+	}
+
+	private AtomType atomType;
+	private String atom;
+
+
+	public SvcLogicAtom(String atomType, String atom)
+	{
+		this.atomType = AtomType.valueOf(atomType);
+		this.atom = atom;
+
+	}
+
+	public SvcLogicAtom(String atom)
+	{
+
+		if (atom == null)
+		{
+			this.atomType = null;
+			this.atom = null;
+		}
+		else
+		{
+			if (atom.startsWith("$"))
+			{
+				this.atomType = AtomType.CONTEXT_VAR;
+				this.atom = atom.substring(1);
+			}
+			else
+			{
+				if (Character.isDigit(atom.charAt(0)))
+				{
+					this.atomType = AtomType.NUMBER;
+					this.atom = atom;
+				}
+				else if (atom.charAt(0) == '\'')
+				{
+					this.atomType = AtomType.STRING;
+					this.atom = atom.substring(1, atom.length()-1);
+				}
+				else
+				{
+					this.atomType = AtomType.IDENTIFIER;
+					this.atom = atom;
+
+				}
+
+			}
+		}
+	}
+
+	public AtomType getAtomType() {
+		return atomType;
+	}
+
+	public void setAtomType(String newType)
+	{
+		atomType = AtomType.valueOf(newType);
+	}
+
+	public String getAtom() {
+		return atom;
+	}
+
+
+
+	public void setAtomType(AtomType atomType) {
+		this.atomType = atomType;
+	}
+
+	public void setAtom(String atom) {
+		this.atom = atom;
+	}
+
+
+
+	public String toString()
+	{
+		StringBuffer sbuff = new StringBuffer();
+		switch(getAtomType())
+		{
+			case CONTEXT_VAR:
+				sbuff.append("$");
+			case IDENTIFIER:
+				boolean needDot = false;
+				for (SvcLogicExpression term: this.getOperands())
+				{
+					if (needDot)
+					{
+						sbuff.append(".");
+					}
+					sbuff.append(term.toString());
+					needDot = true;
+				}
+				return sbuff.toString();
+			case STRING:
+			case NUMBER:
+			default:
+				return atom;
+		}
+	}
+
+	public String asParsedExpr()
+	{
+		// simplify debugging output for NUMBER type
+		if (atomType == AtomType.NUMBER) {
+			return atom;
+		}
+
+		StringBuffer sbuff = new StringBuffer();
+
+		sbuff.append("(atom");
+		sbuff.append("<");
+		sbuff.append(atomType.toString());
+		sbuff.append(">");
+
+		switch(atomType)
+		{
+			case IDENTIFIER:
+			case CONTEXT_VAR:
+				for (SvcLogicExpression term : getOperands())
+				{
+					sbuff.append(" ");
+					sbuff.append(term.asParsedExpr());
+
+				}
+				break;
+			default:
+				sbuff.append(" ");
+				sbuff.append(atom);
+		}
+
+		sbuff.append(")");
+		return sbuff.toString();
+	}
+
+
+
+}